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1. Totten mp3 To EAT HD 7172154088 55 Ary fer ees bor d 57 die 32 Dd 0B I mg TcD2093 7551 5900347 fnr fairtimeimtor c Llc 1 sd Hie Sechs A DOE D ERES fera fairimasboridi 3426555071 d6d0ed 32 mp inre iniftimetec Fs 7c 1c 450474 enban Hd se B mp Then start Mixxx and select the Airtime skin by clicking Options Preferences then Interface in the Mixxx main menu Preferences Airtime1280x1024 i This skin does not support schemes gt C gt C gt Temporary Pitch Rate Buttons Left click 4 0096 Right click 2 0096 3 n 24 83 22 e ICECAST AND SHOUTCAST Airtime supports direct connection to two popular streaming media servers the open sourcelcecast http www icecast org and the proprietary SHOUTcast http www shoutcast com Apart from the software license the main difference between these two servers is that Icecast supports simultaneous AAC Ogg Vorbis or Ogg Opus streaming from Airtime whereas SHOUTcast supports MP3 and AAC streams but not Ogg Vorbis or Opus The royalty free Ogg Vorbis format has the advantage of better sound quality than MP3 at lower bitrates which has a direct impact on the amount of bandwidth that your station will require to serve the same number of li
2. 6108 Fetched 3 610B in Os 12 3kB s Selecting previously deselected package sourcefabric keyring Reading database 348822 files and directories currently installed Unpacking sourcefabric keyring from sourcefabric keyring 0 1 all deb Setting up sourcefabric keyring 0 1 danieL office Update your computer s software sources again to confirm that you now using a trusted software repository sudo apt get update You should no longer see the error message about the missing public key INSTALL THE DATABASE MANAGEMENT SYSTEM Airtime uses a PostgreSQL database to keep track of media assets and associated metadata in its storage server Depending on the scale of your Airtime installation and the hardware available you may wish to install PostgreSQL on a separate server If you only have one server you can install the postgresql package on the same machine as Airtime with the command sudo apt get install postgresql INSTALL A STREAMING SERVER Optionally you may wish to stream directly from Airtime to an Icecast media distribution server without requiring a soundcard or mixer in the broadcast chain This option is particularly suitable for fully automated stations in which all shows are played out using Airtime You can install the icecast2 package on your server with the command sudo apt get install icecast2 In some scenarios you may wish to stream from Airtime to a remote lcecast server for example wh
3. and AAC formats When selecting a SHOUT cast server from the Service Type drop down menu you are restricted to using MP3 or AAC formats only so the choice of Ogg Vorbis and Opus formats is greyed out in the Stream Type drop down menu The SHOUTcast username for stream sources is fixed so you do not need to enter this value under Additional Options but you will usually have to enter a password Any connection problems between Liquidsoap and Icecast or SHOUT cast are shown on the Stream Settings page For example if you enter the wrong password you will see an Authentication Required error message To fix this enter the correct password in the Additional Options box and click the Save button If the streaming server is down for any reason or you have entered an incorrect Server name or Port number you will see the message Can not connect to the streaming server 35 Can not connect to the streaming server could not connect to host connection timeout 36 0 SUPPORT FEEDBACK If you did not already register Airtime when you installed it as shown in the Getting Started chapter you can clickSupport Feedback on the System menu to display Airtime s automated feedback options Check theSend support feedback box in order to post technical details about your Airtime installation to Sourcefabric over the Internet These details help Sourcefabric diagnose any problem that you might be having with your Airtime system You
4. sudo a2ensite schedule sudo etc init d apache2 reload 8 Create a cron job to run the shell script each minute sudo nano etc cron d airtime schedule containing the line www data usr local bin airtime schedule sh The schedule server will now be serving the same show information as the Airtime server with a cache lifetime of one minute You can adjust the cache lifetime by altering the frequency of the cron job that polls the Airtime server PUSHING SCHEDULE INFORMATION VIA FTP OR SSH If there is no inbound access to the Airtime server at all an FTP script can be used to push cached schedule data from Airtime to an external web server The standard ftp command should be available on the Airtime server and the external web server should have a suitably restricted FTP account set up After following steps and 2 above to export schedule data to a pair of temporary files on the Airtime server create a new script on the Airtime server to automatically make the upload sudo nano usr local bin upload schedule data sh Replace host user and password values with appropriate values for your external web server bin sh HOST website example com USER ftp user PASSWD ftp password ftp n v HOST EOT user USER PASSWD ascii prompt put tmp airtime week info put tmp airtime live info bye EOT Then make the new script executable and create a cron job to launch it every minute as in step 8 above Ste
5. 110 Any new files copied to a watched folder for example using your desktop computer s file manager will automatically appear in the Airtime database and are then ready for playout In the same way if you delete a media file using your file manager it will be automatically removed from the Airtime database and will no longer be available for playout If you wish to no longer watch a particular folder you can use thewatch remove sub command airtime import watch remove home Music home Music removed from watched folder list successfully GET OR SET THE STORAGE FOLDER PATH See the chapter Media Folders for making changes to the storage folder path via the administration interface Theairtime import script also enables you to read or write Airtime s storage path configuration You can find out the current setting with the storage dir get sub command airtime import storage dir get srv airtime stor A new storage folder path can be configured using the storage dir set sub command airtime import storage dir set home Music Successfully set storage folder to home Music The storage dir set sub command should be used with caution on a production server because moving the storage folder during scheduled programming has the potential to disrupt your broadcast playout The Airtime playout engine caches files up to 24 hours ahead but any last minute additions to the schedule during storage migration could cause problems 30
6. A contributor is a copyright holder who authorizes use under this License of the Program or a work on which the Program is based The work thus licensed is called the contributor s contributor version A contributor s essential patent claims are all patent claims owned or controlled by the contributor whether already acquired or hereafter acquired that would be infringed by some manner permitted by this License of making using or selling its contributor version but do not include claims that would be infringed only as a consequence of further modification of the contributor version For purposes of this definition control includes the right to grant patent sublicenses in a manner consistent with the requirements of this License Each contributor grants you a non exclusive worldwide royalty free patent license under the contributor s essential patent claims to make use sell offer for sale import and otherwise run modify and propagate the contents of its contributor version In the following three paragraphs a patent license is any express agreement or commitment however denominated not to enforce a patent such as an express permission to practice a patent or covenant not to sue for patent infringement To grant such a patent license to a party means to make such an agreement or commitment not to enforce a patent against the party If you convey a covered work knowingly relying on a patent license and the Corresponding
7. HHH dk dk poll interval 3600 in seconds Push interval in seconds This is how often the push script checks whether it has something new to push to liquidsoap It s hard to imagine a situation where this should be more than 1 second 1 in seconds pre or otf pre cues while playlist preparation while otf on the fly cues while loading into 15 needs the post processor patch cue style pre THHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHBHHHHHHBHHHHHHBE Recorded Audio settings THHHHHHHBHHHHHBHHHHHHHHHHHHHHHHHHHHHBHHHHHHBHHHHHHBE record bitrate 256 record samplerate 44100 record channels 2 record sample size 16 can be either ogg mp3 mp3 recording requires installation of the package lame record file type ogg base path to store recorded shows at base recorded files var tmp airtime show 141 43 e AIRTIME API AUTHENTICATION The Airtime enables many types of information about the broadcast schedule and configuration to be retrieved from the Airtime server Other than the live info and week info data fetched by website widgets see the chapter Exporting the schedule all API requests must be authenticated using the secret API key stored in the file etc airtime api client cfg on the Airtime server This key is autogenerated during Airtime installation and should be unique for each server If you intend to use the Airtime API across a public network for se
8. JPLAYER CONTROLS Secondly the lt body gt tag of the file jplayer demo htm defines the controls displayed by jPlayer These controls can be as simple as just one Play Pause button or a fully fledged playback interface with a playlist progress bar and volume control This example code uses one of the simpler skins available for jPlayer Blue Monday A stop button or progress bar is not useful when we are streaming continuously from Icecast or SHOUT cast so we can remove these tags from the demo code along with the tags specifying the playback time and file duration The simplified HTML creates a play pause button and a mute button and looks as follows ul class jp controls gt lt li gt lt a href javascript lt li gt lt a href javascript lt li gt lt a href javascript class jp play tabindex 1 gt play lt a gt lt li gt class jp pause tabindex 1 gt pause lt a gt lt li gt class jp mute tabindex 1 title mute gt mute lt a gt lt li gt class jp unmute tabindex 1 title unmute gt unmute lt a gt lt 1li gt class jp volume max tabindex 1 title max volume gt max volume lt a gt lt 1li gt lt li gt lt a href javascript lt li gt lt a href javascript lt ul gt When you open the HTML file jplayer demo htm l in a web browser your player should appear as follows 126 Demo jPlayer as an audio player Mozilla Firefox File Edit View History Bookmarks Tools Help 77 Demo
9. This dropdb command above is necessary to avoid already exists errors on table creation when overwriting an empty Airtime database in the next step These errors might prevent some data from being restored such as user account data To restore first unzip the backup file with gunzip then use the psql command as the postgres user gunzip airtime backup gz sudo u postgres psql f airtime backup You should now be able to log in to the Airtime web interface in the usual way For safety reasons your regular database backups should be kept in a directory which is backed up by your storage backup tool of choice for example the srv airtime database backups directory This should ensure that a storage restore can be made along with a matching and complete version of the Airtime database from the day that the storage backup was made STORAGE BACKUP Backing up the Airtime database with pg dumpall will not back up the Airtime media storage server which is likely to need a great deal more backup space Creating a compressed file from hundreds of gigabytes of storage server contents is likely to take a very long time and may have little benefit for the amount of CPU power used if the media files are already stored in a highly compressed format It is also impractical to copy very large backup files across the network on a daily basis Instead it is preferable to use an incremental backup technique to synchronize the production Airtime server
10. laptop hpsense Laptop with HP sense old model laptop laptop micsense Laptop with Mic sense old model fujitsu laptop hpmicsense Laptop with HP and Mic senses Benq R55E laptop hp530 HP 530 laptop test for testing debugging purpose almost all controls can be adjusted Appearing only when compiled with CONFIG SND DEBUG y Conexant 5047 laptop Basic Laptop config laptop hp Laptop config for some HP models subdevice 30A5 laptop eapd Laptop config with EAPD support test for testing debugging purpose almost all controls can be adjusted Appearing only when compiled with CONFIG SND DEBUG y Conexant 5051 laptop Basic Laptop config default hp HP Spartan Laptop hp dv6736 HP dv6736 hp f700 HP Compaq Presario F700 ideapad Lenovo IdeaPad laptop toshiba Toshiba Satellite M300 Conexant 5066 laptop Basic Laptop config default hp laptop HP laptops e g G60 asus Asus K52JU Lenovo G560 dell laptop Dell laptops dell vostro Dell Vostro olpc xo 1 5 OLPC XO 1 5 ideapad Lenovo IdeaPad U150 thinkpad Lenovo Thinkpad STAC9200 153 ref Reference board oqo 000 Model 2 dell d21 Dell unknown dell d22 Dell unknown dell d23 Dell unknown dell m21 Dell Inspiron 630m Dell Inspiron 640m dell m22 Dell Latitude D620 Dell Latitude D820 dell m23 Dell XPS M1710 Dell Precision M90 dell m24 Dell Latitude 120L dell m25 Dell Inspiron E1505n dell m26 Dell Inspiron 1501 dell m27 Dell Inspiron E1705 9400 gatewa
11. If a show is overbooked which means the total playout duration is longer than the time allowed for the show a brown row indicates that the item will be faded out when the show ends A red row indicates that the item will not be played at all The length of the overbooking is shown in minutes and seconds in the last row of the show To remove the extra items from the end of an overbooked show click the Scissors button at the top left of the table 42 NOW PLAYING ADD MEDIA LIBRARY CALENDAR SYSTEM Add Remove Content 2012 10 15 15 22 2012 10 16 15 Q Find Shows Filter By Show enemas DENEN 15 52 09 15 55 28 3 18 8 Miss Millie feat Kings go Forth Dabrye s Synthesi Alternatively check the boxes for items which have not yet completed playout and click the Trashcan button to the right of the Scissors to remove them from the schedule If you remove the currently playing item playout will skip to the next item in the show automatically so you should make sure you have enough items remaining in the show to avoid dead air NOW PLAYING ADD MEDIA LIBRARY CALENDAR SYSTEM 2012 10 15 E 15 22 CD 2012 10 16 15 22 CO E NZD ESTE rr a Oo a Qe mm Qe ose me s193 mika Honey a If you have a long schedule displayed and you wish to skip to the currently playing item click the button with the end arrow icon to th
12. mbp55 MacBook Pro 5 5 imac27 IMac 27 Inch auto BIOS setup default Cirrus Logic CS4208 mba6 MacBook Air 6 1 and 6 2 gpioO Enable GPIO 0 amp auto BIOS setup default VIA VT17xx VT18xx VT20xx auto BIOS setup default 155 48 ABOUT THIS MANUAL Copyright 2011 2013 Sourcefabric o p s This manual was written for Sourcefabric by Daniel James using Booktype Pro Please add your comments and contributions at http sourcefabric booktype pro airtime 25 for broadcasters LICENSE All chapters in this manual are licensed with the GNU General Public License version 3 This documentation is free documentation you can redistribute it and or modify it under the terms of the GNU General Public License as published by the Free Software Foundation version 3 This documentation is distributed in the hope that it will be useful but WITHOUT ANY WARRANTY without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE See the GNU General Public License for more details You should have received a copy of the GNU General Public License along with this documentation if not write to the Free Software Foundation Inc 51 Franklin Street Fifth Floor Boston MA 02110 1301 USA 156 GNU GENERAL PUBLIC LICENSE Version 3 29 June 2007 Copyright 2007 Free Software Foundation Inc lt http fsf org gt Everyone is permitted to copy and distribute verbatim copies of this license document but changing
13. www data airtime dir usr share airtime base url airtime example com base port 80 base dir cache ahead hours 1 monit monit user guest monit password airtime soundcloud connection retries 3 time between retries 60 demo demo 0 Save and close the file with Ctrl FO and Ctrl X If you have changed the database settings you should now run the command sudo airtime update db settings to make sure all of Airtime s database configuration files are updated This command should output the following text to the server console Airtime root folder found at usr share airtime Updating usr share airtime application configs application ini Updating usr share airtime build build properties Updating usr share airtime build runtime conf xml Success API CLIENT CONFIGURATION If you have changed the base url base port or base dir setting in etc airtime airtime conf from the defaults you will probably also have to update the Hostname settings in the file etc airtime api client cfg accordingly bin dir usr lib airtime api clients api key api base api host airtime example com base port 80 base dir 139 MEDIA MONITOR SETTINGS Airtime s media monitor has its own configuration file in etc airtime media monitor cfg which contains RabbitMQ settings and other preferences api client airtime where the binary files live bin dir u
14. 2 n _ o nA ON N i 7 Icecast FL Schedule SoundCloud y SHOUTcast a E l Transmitter rer rmm ana B e X Live i F TN Presenters Incoming 4 E Media L j Streams Contributors e O o r Studio Mixer 1 EN emm Je T if 9 FF Hardware Workstations Liquidsoap Local gt o aee i Software network C File Storage Airtime mm 5 1 OY OY E ew E c E M P i i 7 N r Community A y C FK B B F AEN SER En i m Mutagen H Media monitor 9 34 PostgreSQL Monit ReplayGain L Audio FX E Ni _ el ae _ EXAMPLE WEB BROADCAST SYSTEM In the diagram below Airtime is hosted on a remote web server and has no soundcard There does not need to be a centralised studio although Airtime can enable remote studios to stream in to Liquidsoap at authorised times Optionally the outgoing Icecast stream can be relayed to a transmitter Public Website Visitors Schedule API l Media Contributors Remote web server 2 RIGHTS AND ROYALTIES If you re new to broadcasting or have not streamed your station online before reading th
15. 2013 07 01 13 00 00 end timestamp 2013 07 01 14 00 00 News 1d 3 instance id 4 record 0 url https NV N news example comV Starts 2013 07 01 13 00 00 ends 2013 07 01 14 00 00 i start timestamp 2013 07 01 14 00 00 end timestamp 2013 07 01 15 00 00 Funk Show id 4 instance id 6 record 0 url https V V funk example comV starts 2013 07 01 14 00 00 ends 2013 07 01 15 00 00 i start timestamp 2013 07 01 15 00 00 end timestamp 2013 07 01 17 30 00 name Rock Show ars instance id 7 record 0 url https NV MV rock example comV Starts 2013 07 01 15 00 00 ends 2013 07 01 17 30 00 tuesday wednesday thursday friday saturday sunday AIRTIME API VERSION 1 1 If you see the message You are not allowed to access this resource when attempting to display schedule information in your web browser log in to the Airtime administration interface click System in the main menu then Preferences Set Allow Remote Websites To Access Schedule Info to Enabled click the Save button then refresh the browser window opened on the schedule export URL If you do not wish to make schedule information available to the public set this option to Disabled instead 129 CACHING SCHEDULE INFORMATION If the Airtime server is behind a firewal
16. THE AIRTIME LOG COMMAND The airtime log command provides convenient access to the logging output from the services which make up the Airtime system media monitor recorder playout liquidsoap and web Using this command requires root privileges sudo on Ubuntu Entering the command without any options returns a list of options that you can specify sudo airtime log Usage airtime log options view v string Display file media monitor recorder playout liquidsoap dump d string Collect all log files and compress into a tarball media monitor recorder playout liquidsoap web ALL by default tail t string View any new entries appended to log files in real time media monitor recorder playout liquidsoap web ALL by default For example to view the media monitor log you could use the command sudo airtime log v media monitor Use the PageUp and PageDown keys on your keyboard to navigate through the log file or press theq key to quit the viewer To dump all log files and compress them into a tarball placed in the working directory you could add the d switch to the command sudo airtime log d Creating Airtime logs tgz file at root logs airtime log all 2012 11 14 16 22 02 tgz To view just the Liquidsoap log output in real time you could enter the command sudo airtime log t liquidsoap Tail liquidsoap log 2012 11 14 15 47 20 server 3 New client localhost 2012 11 14 15 47 20 server 3 Cli
17. You can then install the latest Airtime package from the Sourcefabric repository with a few clicks After that the Airtime administration interface can be accessed at the default domain name of the computer such as http airtime example com If you have not yet set a fully qualified domain name for the computer you can use URL such as http ubuntu on the localhost for testing purposes Whichever domain name you use the Icecast administration interface will be at port 8000 of the same URL such as http airtime example com 8000 You can download the airtime easy setup package from http apt sourcefabric org misc airtime easy setup deb which is a link to the latest version of the package You should stay connected to the Internet throughout the installation as a number of dependency packages have to be installed from online repositories On Ubuntu 10 04 lucid Debian 6 0 squeeze or Debian 7 2 wheezy you run theairtime easy setup package from your browser using the program GDebi Opening airtime easy setup deb You have chosen to open airtime easy setup deb which is a Debian package from http apt sourcefabric org What should Firefox do with this file Open with GDebi Package Installer default O Save File Do this automatically for files like this from now on If you have chosen to save the package to your computer instead in the desktop file manager right click on the airtime easy
18. be time consuming and tedious That s why Airtime includes a script that can import an entire directory of files in one go COPYING VERSUS WATCHING There are three main options when using the airtime import script Either to copy or move files into Airtime s main storage folder or to watch files elsewhere Each option has advantages and disadvantages so you will have to think about how the files will be used in your station in the long term e For files that are copied or moved you may run into problems with hard disk space if you do not remove files from the storage server periodically e For files that are watched you must make sure that the files are actually going to be there at playout time otherwise they will be skipped For this reason it is not recommended to use the watch option for easily removable storage like MP3 players or USB memory sticks There s a strong likelihood that the storage might be unplugged and taken away before playout time It is also important to make sure that any external hard disk with watched files is powered on and stays on The airtime import script works from the command line so you must first log into a console on the Airtime server In recent versions of Airtime you no longer need to specify the full file system path to the media files that you wish to import Copying is specified with the copy sub command airtime import copy directory where lt directory gt is the base directory of the medi
19. because it means you can work directly on the current source code share the localization work with the Airtime community and avoid duplicated effort 138 42 HOST CONFIGURATION The streaming host configuration for Airtime is shown in the file etc airtime liquidsoap cfg which is automatically generated by the Streams page found on the System menu of the Airtime administration interface For this reason you would not normally edit the streaming configuration manually as any changes are likely to be overwritten by the administration interface DATABASE AND RABBITMQ HOSTS Optionally you may wish to edit the file etc airtime airtime conf to set the PostgreSQL database host and the username and password to connect to the database with sudo nano etc airtime airtime conf You can also set options for RabbitMQ messaging the Airtime server and SoundCloud uploads in this file although you should not normally need to adjust the defaults unless you are running a large Airtime system distributed across multiple servers To run the Airtime server in demo mode which changes the greeting on the login page and prevents user accounts from being created or modified set the value of demo 1 database host localhost dbname airtime dbuser airtime dbpass airtime rabbitmq host 127 0 0 1 port 5672 user airtime password XXXXXXXXXXXXXXXXXXXX vhost airtime general api key XXXXXXXXXXXXXXXXXXXXX web server user
20. by opening the nano editor in your server s console The nano editor should be installed by default but if not you can install it with the command sudo apt get install nano Then open the sources list file with the command sudo nano etc apt sources list For an Ubuntu 10 04 Lucid server find the lines which begin deb and end with lucid universe or lucid updates universe adding multiverse to the end of these lines if it is not there already Other versions of Ubuntu will have similar lines The multiverse repository is required for the libmp3lame0 library which is an encoder Later versions of Ubuntu such as 12 04 Precise have libmp3lame0 in the universe repository GNU nano 2 2 2 lle etc apt sources list m Tm deb cdrom Ubuntu 10 04 LTS Lucid Lynx Release amde4 20100429 1 See http help ubuntu com community UpgradeNotes for how to upgrade to newer versions of the distribution deb http gb archive ubuntu com ubuntu Lucid main Major bug fix updates produced after the final release of the distribution deb http gb archive ubuntu com ubuntu lucid updates main N B software from this repository is ENTIRELY UNSUPPORTED by the team Also please note that software in universe WILL NOT receive any review or updates from the Ubuntu security team deb http gb archive ubuntu com ubuntu Lucid universe multiverse deb http gb archive ubuntu com ubuntu lucid updates univers
21. flows liquidsoap fm The following section can be added to the file Usr lib airtime pypo bin liquidsoap_scripts Is_script liq after add skip command s on line 174 for a stream named ourstation ourstation register flow radio Rock n Roll Radio website http radio example com description Canada s most rockin radio genre Rock user password streams 0gg 128k http streaming example com airtime 128 ourstation For the time being a stream can be registered on the Liquidsoap Flows site with any username and password Authenticated services may be offered in future 125 38 STREAM PLAYER FOR YOUR WEBSITE If you are using Airtime with Icecast or SHOUT cast for web streaming you can embed a player applet into your websitejPlayer is player applet available under the GNU GPL from http jplayer org which uses the lt audio gt tag feature of to play your streams If the listener s browser does not support HTML5 the applet falls back to using Adobe Flash for format streams Proprietary browsers such as Internet Explorer on Windows or Safari on Apple OS X may not support Ogg Vorbis or Opus streams Listeners who do not wish to install a browser with Ogg support such as Mozilla Firefox Google Chrome or Opera can listen to these streams using a separate media player such as VideoLAN Client also known as VLC http www videolan org vlc EXAMPLE CODE You can download the exa
22. jPlayer as an audio player file home jPlayer demo jplayer demo html Airtime Radio 99 9 FM The original version of this demo code and skin are available from http jplayer org download for further experimentation 127 39 EXPORTING THE SCHEDULE Airtime has a feature which enables your station s show and schedule information to be displayed on remote websites This feature is included in Airtime because you would not usually invite the general public to access your Airtime server directly If you had very large numbers of people requesting data from the Airtime server at once the burst of network traffic might overload the server potentially disrupting your broadcasts If carried out maliciously this network overload is known as a denial of service attack Instead your public facing web server can retrieve the schedule information from the Airtime API This information can then be displayed on your broadcast station or affiliate websites by a content management system such as Sourcefabric s Newscoop http newscoop sourcefabric org It can be presented using Javascript widgets and styled with CSS in any format that you require The Broadcaster theme for Newscoop https github com newscoop theme Broadcaster integrates these widgets with ready to use styles There are two kinds of information that can be retrieved remotely from the Airtime API without authentication the metadata for the current show plus the
23. media files upload edit metadata manage advertisements at the station or via the Internet The Airtime administration interface is designed to work with any web browser on any desktop or mobile platform with a minimum display size of 1280x768 pixels Airtime looks its best on a high definition display of 1920x1080 pixels The recommended web browsers are Mozilla Firefox 25 or Google Chrome 30 or later versions Apple Safari 6 or later is also supported International UTF 8 metadata in media files is supported throughout and the Airtime interface can be localized into any language or dialect using the standard GNU gettext utility Localizations that are installed by default include Austrian Brazilian British Canadian Chinese Czech French German Greek Hungarian Italian Korean Polish Russian Spanish and USA See the chapter nterface localization for details of how to update a translation or add a new localization E E a D MAR I HS EE Jii KE r ERE ii WH ALSA IcecastffJVorbiszc HE BB CO SH SUE 3 Z HER EARE T ROM CH TC 0 moO c WE 4 The scheduler in Airtime has a calendar view organized by months weeks and days Here the program editors can schedule playlists and shows for their broa
24. since not having the right licences could leave the operator liable to legal action If you want to go down the commercial music route check out the http www prsformusic com and http www ppluk com websites for UK licence details In the USA the http www soundexchange com website currently quotes a 500 dollar minimum annual fee for non commercial webcasters plus a usage fee above a certain number of listener hours for the right to stream music recordings to listeners See the websites of ASCAP BMI and SESAC for details of music publishing royalties payable by webcasters streaming to the USA Free content streaming offers an alternative for DIY Internet radio Since royalty collection societies like MCPS PRS and SoundExchange can only represent the interests of their own members it follows that if you are not a member you can stream your own self produced content without paying for their licences If you state somewhere on your website that the stream is of your own copyrighted material and is made available to the public under a specific licence then no one should misunderstand your intentions You might be able to persuade other people to allow you to stream their content too as long as they do not have a conflicting legal obligation such as having previously joined one of the many royalty collection societies around the world You can ask for permission to stream when website visitors upload their own music files to you via a HTML form m
25. staff and guest access to Airtime and contact details via the Manage Users page h see what is about to be played by Liquidsoap on the Now Playing page with support for last minute changes to the content i upload media files from Airtime to a third party hosting service such as SoundCloud j audition available output streams from the server using the Listen button k check the status and resource usage of system components on the Status page export the broadcast schedule to external sites via the Schedule API m see logs on the Playout History page and view graphs on the Listener Stats page n configure the Airtime system on the Preferences Media Folders and Streams pages EXAMPLE STUDIO BROADCAST SYSTEM In the diagram of an FM radio station below Airtime is hosted on a server connected to the local network with direct soundcard access Liquidsoap outputs streams to both the transmitter via the main studio mixer and streaming media servers The machine running Airtime is behind a firewall because it is also connected to the Internet for remote access by media contributors This enables Airtime to offer password protected access to the media library and scheduling from both inside and outside the studio building FOX NEN a a ie m y M Public co A m Website a 4 Streaming f Visitors a J Audience
26. xvzf airtime 2 5 1 ga tar gz C Alternatively clone the git repository if you wish to work on the latest Airtime source code git clone https github com sourcefabric Airtime git In order to return your code improvements to Airtime you will need to create your own fork of the Airtime git repository and send pull requests See the GitHub help page https help github com articles fork a repo for details 2 Run the airtime full install script for example on Ubuntu sudo airtime 2 5 1 install full ubuntu airtime full install The installation script will indicate which files are being installed on your system and the directories they are being unpacked into Finally it will run the airtime check system script to confirm that your server environment is set up correctly Verifying your system environment running airtime check system AIRTIME STATUS URL http airtime example com 80 api status format json api AIRTIME SERVER RESPONDING OK KERNEL VERSION 3 2 0 4 amd64 MACHINE ARCHITECTURE x86 64 TOTAL MEMORY MBYTES 2963688 TOTAL SWAP MBYTES 7812092 AIRTIME VERSION 2 51 05 Debian GNU Linux 7 1 wheezy x86 64 CPU AMD Turion tm II Neo N40L Dual Core Processor WEB SERVER Apache 2 2 22 Debian PLAYOUT ENGINE PROCESS ID 4446 PLAYOUT ENGINE RUNNING SECONDS 55 PLAYOUT ENGINE MEM PERC 0 5 PLAYOUT ENGINE CPU PERC 0 4 LIQUIDSOAP PROCESS ID 4685 LIQUIDSOAP RUNNING SECONDS 49 LIQUIDSOAP MEM PE
27. 2013 07 03 13 07 00 end timestamp 2013 07 03 15 00 00 1 2013 07 03 14 00 00 name Funk Show 2 Funk Show 3g c7 US uq instance id 9 4 9 record 0 5 0 url https NV N funk example comV EH I starts 2013 07 03 14 07 00 7 2013 07 03 13 07 00 2013 07 03 15 00 00 8 2013 07 03 14 00 00 nextShow id 8 instance id 10 name Rock Show url https V NV rock example comV start timestamp 2013 07 03 15 00 00 end timestamp 2013 07 03 16 00 00 Starts 2013 07 03 15 00 00 ends 2013 07 03 16 00 00 record 0 5 timezone BST timezoneOffset 3600 AIRTIME API VERSION 1 1 128 The information for the current week s schedule could be retrieved using the URL https airtime example com api week info callback In this case the metadata returned would be in a different format from the above example something like the following To keep the example short this particular schedule export only contains four shows on a Monday A full weekly schedule export would contain a great deal more text monday start timestamp 2013 07 01 12 05 00 end timestamp 2013 07 01 13 00 00 name Elvis Show id 32 instance id 2 0 url https V M elvis example comV starts 2013 07 01 12 05 00 ends 2013 07 01 13 00 00 i start timestamp
28. Airtime and then Bug That way the Airtime team can keep track of your problem and notify you when it has been fixed You can also suggest improvements and new features for Airtime on that site CONTACT Finally when all other avenues have been exhausted email us directly at contact sourcefabric org and we ll try to help OTHER HELP The UNESCO publication Community Radio A user s guide to the technology http sourcefabric booktype pro airtime 25 for broadcasters help static CommunityRadioUserGuide pdf features a very comprehensive guide to setting up a community radio station This guide is aimed at people thinking about setting up a radio station in India but includes lots of practical advice that would be useful in any country 75 AIRTIME IN THE STUDIO 20 RECORDING SHOWS 21 LIVE SHOWS WITH MIXXX 22 ICECAST AND SHOUTCAST 76 20 RECORDING SHOWS Live show recording from the input of the server s sound card if one is fitted can be enabled in the Add Show box of Airtime s Calendar see the Calendar chapter for details During a recording a red light is shown in the Master Panel and the word Recording appears in a red font to the left of the show name Recorded Show 05 36 00 Live Show 47 00 00 33 92 Live Show 16 13 17 00 super Distortion Autocue 06 35 00 Before the first broadcast show scheduled for recording begins you should check that the level of recording is sufficient to ensure a good signal t
29. CH LC MESSAGES airtime po For the example of Swiss German the header of the file should now look like this SWISS GERMAN de CH translation for Airtime Copyright C 2013 Sourcefabric This file is distributed under the same license as the Airtime package Sourcefabric lt contact sourcefabric org gt 2013 msgid msgstr Project Id Version Airtime 2 5 n Report Msgid Bugs To http forum sourcefabric org n After using an online translation tool to begin a new localization you can load the exported po file into Poedit and complete your translation there Enter the localization team s contact information and language into Poedit s Edit gt Preferences and Catalog gt Settings dialogs which will be added to the po file When you save a po file in Poedit the corresponding binary mo file will be compiled automatically Finally git add git commit and git push these new mo and po files to your GitHub fork of the project and send a git pull request https help github com articles using pull requests to the Airtime developers The localization can then be added to a forthcoming Airtime release If you don t want to work with git that s no problem download a copy of the po template file edit the header run it through an automatic translator and check it with Poedit Then email your contribution to the Airtime team as an attachment it will be very welcome However learning to use git is a good idea
30. Click the small white x icon on the right hand side of each row to remove a file from the playlist You can also drag and drop files to re order them or click the Shuffle button to re order files automatically Click the Clear button to remove all content from the playlist or click the Delete button to remove the playlist from the Airtime library altogether 55 7th Galaxy feat Jamall Bufford 14KT remix Dennis Coffey All Your Goodies Are Gone feat Mayer Hawthorne mt TT Dennis Coffey K Beautiful Way Beck To adjust start and end fades click the playlist Fade button two horizontal white arrows crossing in a grey rectangle to the left of the Delete and Save buttons This action opens a beige bar in which you can set the Fade in duration for the first item in this playlist and the Fade out duration for the last item This duration figure represents the length of the fade in seconds and tenths of a second not the time at which the fade takes place The default fade duration is set in the Preferences page on the System menu 7th Galaxy feat 14KT remix Dennis Coffey All Your Goodies Are Gone feat Mayer Hawthorne n nis C offey Beautiful Way Beck Click any one of the smaller Fade buttons between file rows to open another beige bar which enables you to set Fade out and Fade in durations between two adjacent files in the playlist The fade buttons for adjacent files change to an o
31. This should make sure that rabbitmq server starts after the next reboot LIBAV ON DEBIAN SQUEEZE AND M4A FILES The version of shipped with Debian 6 0 squeeze is known to cause problems when Airtime analyses m4a files containing the AAC codec for silence using Silan see https github com x42 silan issues 2 It is recommended that Debian servers are upgraded to the current stable wheezy 7 2 release As a short term measure updated libav packages from the squeeze backports repository can be used to work around this problem This work around is only required if you do not wish to upgrade to wheezy yet but have AAC codec m4a files in your Airtime library MAIL SERVER If you wish Airtime to be able to send password reminder emails to your staff users the server can have an SMTP program installed such as the postfix package in Debian or Ubuntu For configuration options refer to the documentation for your mail server of choice Alternatively you can specify an external SMTP server in the Preferences page on Airtime s System menu PROCEED TO INSTALLATION Now your server should be ready for Airtime to be installed Depending on your requirements you should now proceed to either the chapter Easy setup the chapter Automated installation the chapter Manual installation or the Expert install appendix 90 24 EASY SETUP The airtime easy setup package sets up a typical Airtime configuration without prompting you for any settings
32. adopted on 20 December 1996 or similar laws prohibiting or restricting circumvention of such measures When you convey a covered work you waive any legal power to forbid circumvention of technological measures to the extent such circumvention is effected by exercising rights under this License with respect to the covered work and you disclaim any intention to limit operation or modification of the work as a means of enforcing against the work s users your or third parties legal rights to forbid circumvention of technological measures 4 Conveying Verbatim Copies You may convey verbatim copies of the Program s source code as you receive it in any medium provided that you conspicuously and appropriately publish on each copy an appropriate copyright notice keep intact all notices stating that this License and any non permissive terms added in accord with section 7 apply to the code keep intact all notices of the absence of any warranty and give all recipients a copy of this License along with the Program You may charge any price or no price for each copy that you convey and you may offer support or warranty protection for a fee 158 5 Conveying Modified Source Versions You may convey a work based on the Program or the modifications to produce it from the Program in the form of source code under the terms of section 4 provided that you also meet all of these conditions e a The work must carry prominent notices stating that y
33. assigned to them by anAd min or Program Manager The DJ can read data for other shows in the Calendar but not write to them This read access to other shows helps staff plan their own shows for instance avoiding the scenario where two DJs play the same music by coincidence Like a Program Manager a DJ cannot see the System menu when they log in and cannot edit History Templates e A Guest can log in to read the forthcoming schedule or playlists but has no write permission for any feature Guest users cannot see the Add Media Library System or History menus when they log in The group of guest users might include the station accountant or the show assistants EDITING OR DELETING USER ACCOUNTS New user accounts that you add will be shown in the table on the left side of the Users page If you have a large number of users on the system you can use the search tool above the table which has a magnifying glass icon to identify specific user accounts Click the white chevrons in the table headings to sort the search results by Username First Name Last Name or User Type To edit a user account click on that user s row in the table change the user s details in the box on the right side and then click the Save button To remove a user account click the smallx icon to the right side of its row in the table You cannot delete your own user account and usernames cannot be changed once created If the Airtime server is running in demo mode user acc
34. being played out rather than the show names script document ready function 1 ZheaderLiveTrackHolder airtimeLiveTrackInfo 1 sourceDomain https schedule example com text onAirNow On Air Now offline Offline current Current next Next updatePeriod 20 seconds script The id of the div element in the page body would have to be updated to match div id headerLiveTrackHolder style border 1px solid 999999 padding 10px gt lt div gt The next widget airtimeShowSchedule is medium sized and displays the upcoming show schedule for that day script document ready function onAirToday airtimeShowSchedule sourceDomain https schedule example com text onAirToday On air today updatePeriod 60 seconds script 132 Again the id of the div element has to match the script for the widget to appear div id onAirToday gt lt div gt The output from the widget script above can be styled to look like this screen shot On air today 16 00 16 30 Newslink 16 30 Pages of History 17 00 EN 17 00 m 17 30 L Info Chez Vous 17 30 x 04 00 Pages d histoire 18 30 19 00 Choices EN 19 00 L info chez vous 19 30 FR Finally the following code creates a large widget airtimeWeekSchedule that enables site visitors to browse through the show schedule for that week In this example all widget labels have been
35. configuration which may otherwise interfere with your Airtime installation sudo a2dissite default As suggested by the output of the command above reload the web server configuration sudo etc init d apache2 reload 102 The server should respond Reloading web server config apache2 7 Download Airtime from https github com sourcefabric Airtime releases with wget and unzip the downloaded file in your home directory This action will create a subdirectory called airtime 2 5 1 wget https github com sourcefabric Airtime archive airtime 2 5 1 ga tar gz tar xvzf airtime 2 5 1 ga tar gz C Alternatively clone the Airtime git repository as shown above 8 Monit is a utility which Airtime uses to make sure that the system runs smoothly Enable it by opening the etc default monit file in the nano editor sudo nano etc default monit Find the line that begins with 5 and change the value to yes START yes Save the file with Ctrl O and close nano with Ctrl X Now copy the Monit configuration from the Airtime install directory to the etc monit conf d directory sudo cp airtime 2 5 1 python apps monit airtime monit cfg etc monit conf d Open the etc monit monitrc file in nano sudo nano etc monit monitrc At the end of the file add the line include etc monit conf d Save the file with Ctrl O and close nano with Ctrl X Then start Monit with sudo invoke rc d monit start More information about mon
36. copyright on the Program and are irrevocable provided the stated conditions are met This License explicitly affirms your unlimited permission to run the unmodified Program The output from running a covered work is covered by this License only if the output given its content constitutes a covered work This License acknowledges your rights of fair use or other equivalent as provided by copyright law You may make run and propagate covered works that you do not convey without conditions so long as your license otherwise remains in force You may convey covered works to others for the sole purpose of having them make modifications exclusively for you or provide you with facilities for running those works provided that you comply with the terms of this License in conveying all material for which you do not control copyright Those thus making or running the covered works for you must do so exclusively on your behalf under your direction and control on terms that prohibit them from making any copies of your copyrighted material outside their relationship with you Conveying under any other circumstances is permitted solely under the conditions stated below Sublicensing is not allowed section 10 makes it unnecessary 3 Protecting Users Legal Rights From Anti Circumvention Law No covered work shall be deemed part of an effective technological measure under any applicable law fulfilling obligations under article of the WIPO copyright treaty
37. custom metadat FE Streaming to an Airtime server To configure Mixxx for streaming into Airtime click Options Preferences then Live Broadcasting on the main Mixxx menu For server Type select the default of Icecast 2 For Host Mount Port Login and Password use the Input Stream Settings configured in the Airtime Streams page on Airtime s System menu See the chapter Stream settings for remote input connection details AIRTIME SKINS FOR MIXXX Airtime themed skins for Mixxx designed with broadcast users in mind are available for download from https github com Airtime MixxxSkins These skins provide a simplified interface for live broadcasting which do away with EQ flange effect looping and other features required by dance music DJs Instead the emphasis is on a clear and uncluttered interface which does not require large mouse movements to operate the most important controls There are versions available both with and without pitch tempo controls for beat matching jira Tenor amp Tory Allen G After downloading one of the skins extract the zip file and copy it to the SKINS directory on the computer where Mixxx is installed Frere Don 1551 Do Peaches amp Cream Marthen Sane Mams England Lately fot My 4 ius IET Dorny Dith 3 Electron The Moon i B fur Eye Three coprime Hah Light d Lowe Ones Angeria Era
38. domain all rights reserved or one of the Creative Commons licenses see http creativecommons org Then click the Save button again 24 Please note that like most online distribution services SoundCloud terms of service require you to have copyright in or permission for Internet distribution from the copyright holder of any media that you upload Commercially released music files uploaded to SoundCloud are likely to be automatically removed from your station s SoundCloud page 25 1 e USERS If your Airtime server is accessible from the public Internet it will not be secure until you set your own strong password for the all powerful admin user Should the password for the admin user still be set to admin or some other easily guessed word you should set a new password immediately via the Users page on the System menu Only users with the User Type of Admin can see the System menu when they log in SETTING PASSWORDS AND CONTACT DETAILS On the left side of the Users page click on admin in the table The details for this user will appear in the box on the right side To begin with on a freshly installed Airtime server the admin user only has a Username Password and User Type set To set a new password for the admin user enter string of letters and numbers as long and as varied as is practical into the Password field then again into the Verify Password field to guard against typing errors Keeping th
39. except by trial and error To fix these labels you can pass a specific model parameter to the snd hda intel module of the Linux kernel On Debian or Ubuntu GNU Linux you can do this by first identifying the model you have with the command cat proc asound card0 codec grep Codec The server should respond with a line such as Codec Realtek ALC882 Referring to the appendix HD Audio Models in this book find the matching codec and model In this example the codec is ALC882 and the motherboard has six analogue jacks and two S PDIF sockets so the model is 6Stack dig 87 ALC882 883 885 888 889 3stack dig 3 jack with SPDIF I O 6stack dig 6 jack digital with SPDIF I O Edit the file etc modprobe d alsa base conf with nano as follows sudo nano etc modprobe d alsa base conf Add an appropriate line for your soundcard model to the end of the file such as Realtek ALC882 options snd hda intel model 6stack dig Save the file with Ctrl O and close nano with Ctrl X Then reboot the server After the reboot you should now see that the mixer controls are correctly labelled DISABLE DESKTOP AND OTHER SOUNDS If you are installing Airtime on a desktop computer make sure you disable or remove any programs that could send unintended audio to a sound card you are using for broadcast output This includes alert sounds which play when the computer is ready for use or when a user logs in On Ubuntu these sounds are configured using
40. following show live info or the schedule for the current week and the week ahead week info The week info metadata includes show names times and individual show URLs on your public website That way the audience for your station can click through from the schedule information to find out more about a particular show or download a previous show recording that you might have made available If your Airtime server was accessible at https airtime example com the live show information could be retrieved by your web server using this URL https airtime example com api live info callback The comma separated text metadata returned to your web server might be something like this env production schedulerTime 2013 07 03 14 07 31 previous name Earth Wind amp amp Fire Boogie Wonderland starts 2013 07 01 22 53 00 2013 07 01 22 55 00 type track current name Deodato Also Sprach Zarathustra starts 2013 07 03 13 07 06 2013 07 03 13 16 05 media item played true record 0 type track next id 8 instance id 10 name Show url https V NV rock example comV start timestamp 2013 07 03 14 00 00 end timestamp 2013 07 03 15 00 00 Starts 2013 07 03 14 00 00 ends 2013 07 03 15 00 00 5 currentShow start timestamp 2013 07 03 14 07 00 0
41. it is not allowed Preamble The GNU General Public License is a free copyleft license for software and other kinds of works The licenses for most software and other practical works are designed to take away your freedom to share and change the works By contrast the GNU General Public License is intended to guarantee your freedom to share and change all versions of a program to make sure it remains free software for all its users We the Free Software Foundation use the GNU General Public License for most of our software it applies also to any other work released this way by its authors You can apply it to your programs too When we speak of free software we are referring to freedom not price Our General Public Licenses are designed to make sure that you have the freedom to distribute copies of free software and charge for them if you wish that you receive source code or can get it if you want it that you can change the software or use pieces of it in new free programs and that you know you can do these things To protect your rights we need to prevent others from denying you these rights or asking you to surrender the rights Therefore you have certain responsibilities if you distribute copies of the software or if you modify it responsibilities to respect the freedom of others For example if you distribute copies of such a program whether gratis or for a fee you must pass on to the recipients the same freedoms that you rece
42. means that when the ive 0ogg mount point becomes available again the client will be re connected to it If you wish to hide the airtime 128 and live ogg mount points from the public Icecast web interface set the value of lt hidden gt in each of these definitions to 1 SOURCE CONFIGURATION Connect the other source to the Icecast server with the same parameters defined in the etc airtime liquidsoap cfg file except for the mount point This should one of the mount points you have defined in the etc icecast2 icecast xml file such as live ogg in the example above To configure Mixxx for streaming to lcecast click Options Preferences then Live Broadcasting For server Type select the default of Icecast 2 when streaming to Debian or Ubuntu servers as this is the current version of Icecast supplied with those GNU Linux distributions 123 Preferences asting or technical reasons changing any shoutcast settings will cause an established connect and reconnect on Mount 130 Pert 8000 E Encoding Bitrate Format Channels im ETTA dapol http www mixxx org Custom metadata This is a live stream to Icecast with Enable custom metadata automatic handower Artist My Presenter Names By default Icecast streams are buffered to guard against network problems which causes latency for remote listeners When monitoring the stream from a remote location you may have to begin the live stream a few secon
43. offering access from a designated place gratis or for a charge and offer equivalent access to the Corresponding Source in the same way through the same place at no further charge You need not require recipients to copy the Corresponding Source along with the object code If the place to copy the object code is a network server the Corresponding Source may be on a different server operated by you or a third party that supports equivalent copying facilities provided you maintain clear directions next to the object code saying where to find the Corresponding Source Regardless of what server hosts the Corresponding Source you remain obligated to ensure that it is available for as long as needed to satisfy these requirements Convey the object code using peer to peer transmission provided you inform other peers where the object code and Corresponding Source of the work are being offered to the general public at no charge under subsection 6d A separable portion of the object code whose source code is excluded from the Corresponding Source as a System Library need not be included in conveying the object code work A User Product is either 1 a consumer product which means any tangible personal property which is normally used for personal family or household purposes 2 anything designed or sold for incorporation into a dwelling In determining whether product is a consumer product doubtful cases shall be resolved in favor o
44. on the same machine you can set the hostname and passwords for the Icecast server during the Airtime installation Package configuration Configuring airtime This option enables icecast2 on this server and configures passwords for both the icecast server and airtime Note these settings are here for convenience only Strictly speaking they should be done during icecast installation not airtime installation PS If you have already manually tweaked icecast configuration it may not work as expected Set up 2 for live HTTP streaming First set the hostname of the Icecast server For test installs in which you have Icecast installed on the same machine as Airtime you can use localhost here Package configuration j Configuring airtime Specify the hostname of the Icecast server Depending on your setup this might be the same as the Airtime ServerName For testing purposes you can use the default of localhost Icecast2 hostname icecast example com 98 The security of your streaming server depends on the strength of the passwords that you choose You should set strong passwords for source relay and admin access Configuring airtime Specify a password to send A V sources to icecast Icecast Source Password By default Airtime stores media files under the path srv airtime stor but you can specify an alternative path if you wish If you change this setting the new path must end with a slas
45. parameter token auth to authenticate the request You can find the token to use for your installation by logging in to Piwik and clicking API in the main navigation menu at the top of the page Further details of the import script are shown at http piwik org docs log analytics tool how to The script will report the number of records processed and the time that has been required to parse the lcecast log file If the import script is taking too long to execute there are performance and configuration tips in the https github com piwik piwik blob master misc log analytics README md file Open the Piwik dashboard in your browser and you should now see a summary of the imported data including the most popular streams listed under Entry Pages Visits by Server Time Referrer Websites and a Visitor Map 48 Visitor Map e Visitor Browser BS ine Related report Browser version 149 APPENDIX 46 EXPERT INSTALL 47 HD AUDIO MODELS 48 ABOUT THIS MANUAL 150 46 e EXPERT INSTALL These quick install steps are suitable for experienced GNU Linux system administrators who have already followed the steps shown in the chapter Preparing the server earlier in this book For a more detailed explanation of the steps below please read the chapter Automated installation Edit the repositories file for your server sudo nano etc apt sources list For Ubuntu Precise or Quantal Raring Saucy servers use the Sourc
46. second intervals set logfile var log monit log set httpd port 2812 allow admin LHR32YP7H1 allow guest airtime read only Logging in as the admin user you will now see buttons for controlling a service at the end of each service page 117 Pid If changed 1 times within 1 cycle s then alert Ppid If changed 1 times within 1 cycle s then alert Startservice Stopservice Restartservice Disable monitoring X Copyright 2000 2009 Tideslash All rights reserved Monit web site Monit Wiki M Monit Monit does not have a logout button so if you have already logged in asguest you may have to clear the active login from your web browser before logging in as admin In Firefox on Ubuntu this is accomplished using Clear Recent History on the History menu LOCKING DOWN REMOTE ACCESS To make remote access more secure you can edit the file etc monit conf d monit airtime generic cfg with nano sudo nano etc monit conf d monit airtime generic cfg If you wish to enable access from the localhost only append an and use address statement to the end of the line which sets the server port set httpd port 2812 and use address localhost To enable access from other servers comment out the part of the line use address localhost and then append an allow line with the IP address and netmask of the machine to connect to Monit from such as a local network address of 10 0 1 2 and netm
47. see its playout details 7 2013 10 14 14 00 D 2013 10 14 Log Sheet File Summary Plutonius 2013 10 14 15 19 57 Recloose Dennis Coffey Re dub Traveller 2013 10 14 15 23 03 2013 10 14 15 27 19 Mick Dennis Coffey Speed remix MANUAL LOGGING If your station features playout from analogue sources such as turntables or microphones there is no automatic metadata for Airtime to collect from these inputs To ensure that the playout history is complete you can add log entries manually by clicking the Create Entry button This action opens a pop up window with default fields of Start Time End Time Title and Creator Click theFind button to automatically fill the Choose Show Instance menu with the names of shows that took place within the specified time range Then click the Save button to enter the new item into the playout history File Summary show Summary Select I Create Entry O 2013 10 14 15 15 00 2013 10 14 15 27 19 O 201 5 19 57 B 4 iS D 2013 10 14 15 23 03 Coffey Time Show Dennis Coffey interview Journalist Log entries can also be manually deleted using the button with the trashcan icon to the right of the Create Entry button Pages of entries can be selected for deletion using the Select drop down menu 72 HISTORY TEMPLATES The History Templates page on the History menu enables you to prepare reports with the exact content required by regulatory agenci
48. to construct a player widget dynamically s url is the station s homepage not the stream URL The same information is provided with an s2_ prefix for the second stream and s3_ prefix for the third stream Some API requests require the directory ID number to be specified asd ir_id including e list all files list files in the specified directory e get files without replay gain list files in the specified directory for which ReplayGain has not been calculated yet For example using a request such as http airtime example com api list all files format json api key XXXXXX dir id 1 returns the full path to each media file in the Airtime storage directory files imported 1 Mark Ronson feat Saigon Here Comes the Fuzz 7 Diduntdidunt unknown flac imported 1 Jimi Tenor amp Tony Allen Inspiration Information 3 Selfish Gene 128kbps mp3 1 142 44 SECURE LOGIN WITH SSL OR TLS To increase the security of your server you can enable encrypted access to the Airtime administration interface and direct your users towards this more secure login page The main advantage of using this encryption is that your remote users login names and passwords are not sent in plain text across the public Internet or untrusted local networks such as shared Wi Fi access points The padlock icon in a web browser s address bar depends on the browser s recognition of an encryption certificate Because the users of your Airtime server wil
49. translated into French script document ready function 1 ZscheduleTabs airtimeWeekScheduLle 1 sourceDomain https schedule example com dowText imonday Lundi tuesday Mardi wednesday Mercredi thursday Jeudi friday Vendredi saturday Samedi sunday Dimanche miscText time Temps programName Nom du Programme details D tails readMore Lire La Suite updatePeriod 600 seconds H3 var d new Date getDay scheduleTabs tabs selected d 0 6 d 1 fx opacity toggle 13 script The lt div gt element for this widget would be div id scheduleTabs gt lt div gt Using the code above and the CSS and image files provided with Airtime the weekly schedule can be styled to look like this Lundi Mardi Mercredi Jeudi Vendredi Samedi Dimanche IL 00 00 00 30 Newslink EN LIRE LA SUITE 00 30 00 45 The Citizen EN LIRE LA SUITE 01 00 01 30 L Info chez vous LIRE LA SUITE 02 00 02 30 Music From Countries Promo LIRE LA SUITE 02 30 03 00 Music From Countries Promo LIRE LA SUITE 03 00 03 30 News link 04 00 04 30 L info chez vous FR LIRE LA SUITE 04 30 05 00 Fifty Fifty FR LIRE LA SUITE 05 00 05 30 Music From Countries Promo LIRE LA SUITE 05 30 06 00 Music From Countries Promo LIRE LA SUITE Optionally you can display the schedule for the week ahead as well as the current week This requires the Javascript file jquery s
50. you might find community members who can help you with the translation GNU gettext means using a po file for each language or dialect a specially formatted plain text file with groups of three or more lines like this example from Airtime s Korean localization airtime mvc application configs navigation php 57 msgid Media Folders msgstr The first of these three lines starts with the hash symbol and references where this string of text is found in the source code by its file name and line number If this string is found more than once in the source code you will see other reference lines here The second line contains the msgid which is the original version of the string The third line contains themsgstr which is the translation of that string for the localization that this particular po file relates to If you use the cross platform program Poedit http www poedit net to edit the po file this formatting of the text is hidden by an easy to use GUI The poedit package can be installed on most GNU Linux distributions using the standard software installer Versions of Poedit for Mac and Windows are available for free download from the project s homepage Before manually translating strings in Poedit from scratch you should take a look at the online translation services available such as Lingohub https lingohub com or Google s Translator Toolkit http translate google com toolkit which both support gettext po files
51. 27x ref Reference board ref no jd Reference board without HP Mic jack detection 3stack D965 3stack 5stack D965 5stack SPDIF 5stack no fp D965 5stack without front panel dell 3stack Dell Dimension E520 dell bios Fixes with Dell BIOS setup dell bios amic Fixes with Dell BIOS setup including analog mic volknob Fixes with volume knob widget 0x24 auto BIOS setup default STAC92HD71B ref Reference board dell m4 1 Dell desktops dell m4 2 Dell desktops dell m4 3 Dell desktops hp m4 HP mini 1000 hp dv5 HP dv series hp hdx HP HDX series hp dv4 1222nr HP dv4 1222nr with LED support auto BIOS setup default STAC92HD73 ref Reference board no id BIOS setup but without jack detection 154 intel Intel DG45 mobos dell m6 amic Dell desktops laptops with analog mics dell m6 dmic Dell desktops laptops with digital mics dell m6 Dell desktops laptops with both type of mics dell eq Dell desktops Llaptops alienware Alienware M17x auto BIOS setup default STAC92HD83 ref Reference board mic ref Reference board with power management for ports dell s14 Dell Laptop dell vostro 3500 Dell Vostro 3500 Laptop hp dv7 4000 HP dv 7 4000 hp cNB11 intquad HP CNB models with 4 speakers hp zephyr HP Zephyr hp led HP with broken BIOS for mute LED hp inv led HP with broken BIOS for inverted mute LED auto BIOS setup default STAC9872 vaio VAIO laptop without SPDIF auto BIOS setup default Cirrus Logic CS4206 4207
52. 6kB of archives After this operation 33 3MB of additional disk space will be used Get 1 http apt sourcefabric org precise main airtime 2 5 0 1 8 446kB Fetched 8 446kB in 8s 1 015kB s Preconfiguring packages Selecting previously deselected package airtime Reading database 657254 files and directories currently installed Unpacking airtime from airtime 2 5 0 1 all deb Once all the packages have been downloaded and installed you will be asked a few questions about the configuration of the Airtime system You can accept the default settings by pressing the Enter key or use the Tab key to change your selection Firstly you will asked if you wish to create anApache virtual host web server configuration automatically 96 Configuring airtime This setup script can perform apache web server configuration so that you can connect to airtime directly after this installation Production systems should choose dedicated v host This option will ask for a Server host name FQDN and will create a minimal apache vhost configuration that you can adapt no thanks no problem You re welcome to set it up however you like Note that the files in etc airtime may come in handy doing 50 Create apache2 config dedicated v host no thanks lt Ok gt If so you will need to enter the domain name that your station staff will use to access Airtime This would normally be a fully qualified domain name FQDN which is alre
53. AM TO OPERATE WITH ANY OTHER PROGRAMS EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES 7 Interpretation of Sections 15 and 16 If the disclaimer of warranty and limitation of liability provided above cannot be given local legal effect according to their terms reviewing courts shall apply local law that most closely approximates an absolute waiver of all civil liability in connection with the Program unless a warranty or assumption of liability accompanies a copy of the Program in return for a fee END OF TERMS AND CONDITIONS 162
54. Calendar and selectAdd Remove Content from the pop up menu Shows that do not yet contain any scheduled content are marked with a red exclamation mark icon to the right of the show start and end times in the top bar Shows partially filled with content have a yellow exclamation mark icon During playout of the show a green play icon will also be shown in the top bar The Add Remove Content action opens a window with the name of the show Like when using the Now Playing page you can search for content items and add them to the show schedule on the right side of the page Refer to the Now Playing chapter for details When your show has all the required content click the OK button in the bottom right corner to close the window Back in the Calendar click the show and select Show content from the pop up menu to view a list of content now included in the show The Contents of Show window is a read only interface featuring an orange bar which indicates how much media has been added to the show Click the OK button in the bottom right corner or the white x icon in the top right corner to close the window om meoo wasa 2012 07 01 14 29 36 The Mahatella Queens s 20129701 14 32 00 Kane 69 REMOVING CONTENT FROM A SHOW To remove an individual item from a show click on the show in the Calendar and select Add Remove Content from the pop up menu In the window which opens c
55. DIIC CSS directory under the Airtime DocumentRoot directory in an editor such as nano sudo nano usr share airtime public css styles css To change the background colour of the administration interface from dark gray to white the background property of the body tag could be changed to ffffff as follows body 1 font size 62 5 font family Arial Helvetica sans serif background ffffff margin 0 padding 0 Save the file with Ctrl 0 then refresh your browser to see the change to the interface background colour Any custom changes that you make to the administration interface should be backed up before upgrading Airtime to a newer version otherwise they could be overwritten If you have made improvements that you think might be useful to other Airtime users please contact Sourcefabric and tell us about them MODIFYING THE ICECAST INTERFACE If you have installed Icecast in the directory etc icecast2 web you will find several XSLT and other files which are used to generate the Icecast web interface If you are familiar with HTML you should be able to modify these pages as they are well commented You do have to be careful with syntax because something as simple as a missing bracket can cause the Icecast web interface to break down For example you could change the status xs page sudo nano etc icecast2 web status xsl Modifying the status xs page is a good place to start because this is the default page that sit
56. E s 24 45 152842 3555 Lately m ob NOW PLAYING ADD MEDIA LIBRARY CALENDAR SYSTEM TEE 2012 10 15 7 15 18 2012 10 16 7 15 18 Filter By Show E 0 4 15 21 00 Justo Betancourt Pa Bravo Yo Id On the left side of the page the Start and End times Duration and Title of each content item are shown On the right Creator Album Cue or Fade times and Mime type file format can also be shown This information can help you to prepare voice tracks for insertion into the show including time checks if you wish Putting current time information into voice tracks describing specific content can of course limit the re usability of those voice tracks unless you always broadcast a particular item at the same time of day Click the Show hide columns button on the right to configure the metadata displayed by checking the boxes in the pop up window 41 Cue In The row for the currently playing item is displayed with a bright green background Any underbooked shows shows with insufficient content to fill the time allowed are displayed with a row indicating the length of the underbooking in minutes and seconds These rows contain a red exclamation mark in the first column and have a pink background 5 18 Miss Mille fet Kings go Forth lt ee T4 uam maoa 3426 Al Your Gonos A Gone teat Mayer tore C z ee 4m 46s REMOVING CONTENT FROM A RUNNING SHOW
57. Edit from the pop up menu ADDING A WEB STREAM A web stream URL and metadata can be added to the Airtime library so that a remote stream can be searched for and scheduled to be pulled into a show For example at the top of the hour your station may pull a news report from journalists working in another studio This is a different concept from Master Source and Show Source remote streams which are pushed into the Airtime playout schedule To add a web stream click the New button on the right side of the Library page and select New Webstream from the pop up menu Like a playlist web streams in the Library can have a title and Description which may help you find them in searches later 61 The Stream URL setting must include the port number such as 8000 and mount point such as remote stream of the remote stream in addition to the streaming server name A Default Length for the remote stream can also be set If the stream is added at the end of a show which becomes overbooked as a result it will be faded out when the show ends 62 6 e CALENDAR The Calendar page of the Airtime administration interface has three views day week and month which can be switched using the grey buttons in the top right corner By default the month view is shown with today s date highlighted by a pale green background NOW PLAYING ADD MEDIA LIBRARY CALENDAR SYSTEM oo November 2012 In the top left corner of the page you can go back or forwar
58. G FILE In addition to the JavaScript tracking code used for web analytics Piwik includes a Python script which can import a server log file directly This script accepts the parameter og format name icecast2 which enables support for the connection duration field logged by Icecast when a client disconnects It is this field which enables stations to track the duration of individual audience connections and calculate both the average connection duration and the aggregate tuning hours figure required by some broadcast regulators 147 For an Icecast log file at var log icecast2 access log you can run the script as follows python usr share piwik misc Llog analytics import logs py show progress url http stats example com idsite 1 recorders 8 enable http errors log format name icecast2 strip query string var log icecast2 access log where the parameters are url http stats example com The ServerName of your Piwik installation idsite 1 Number of the default site configured in Piwik recorders 8 How many threads to use while parsing the log file To begin with set this value to the number of CPU cores you can spare on the Piwik server enable http errors Collect statistics for errors such as stream links not found strip query string Used because any characters requested by the client after the Icecast mounpoint URL can confuse the statistics If the Piwik server is remote you can use an additional
59. HHHHHHHHHHBHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHBE Cache Directories include trailing slash THEHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHBE cache dir var tmp airtime pypo cache file dir var tmp airtime pypo files tmp dir var tmp airtime pypo tmp THEHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHBE Setup Directories Do not include trailing slash THEHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHBE cache base dir var tmp airtime pypo bin dir usr lib airtime pypo log base dir var log airtime log dir var log airtime pypo liquidsoap log dir var log airtime pypo liquidsoap THEHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHBE Liquidsoap settings THEHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHBE ls host 127 0 0 1 ls port 1234 THHHHHHHHHBHHHHHBHHHHHBHHHBHHHBHHHBHHHBHHHBHHHBHHHHBHHHBHHHHBE RabbitMQ settings THHHHHHHHHBHHHHHBHHHBHHBHHHHHHBHHHBHHHBHHHBHHHBHHHHBHHHBHHHHBE rabbitmq host localhost rabbitmq user airtime rabbitmq password XXXXXXXXXXXXXXXXXXXX 140 rabbitmq vhost airtime THHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHNI pypo preferences THHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHNI Poll interval in seconds This will rarely need to be changed because any schedule changes are automatically sent to pypo immediately This is how often the poll script downloads new schedules and files from the server in the event that no changes are made to the schedule dk dk
60. If using automatic translation you can then use Poedit to fine tune the localization and fix any formatting errors If you don t already have a GitHub account you can sign up athttps github com signup free Once you have a GitHub account you can fork a copy https help github com articles fork a repo of the Airtime project Work for the next major version of the software is done in the master branch of each project so that s the branch to checkout after you have made the initial git clone In the locale code de CH for example de represents the German language and the suffix CH indicates the dialect spoken in Switzerland Some languages have a wide variety of dialect localizations which can be differentiated with a suffix in this way You should update the header information in the po file which includes the language code and a country code using one of the existing files as a guide After forking the Airtime git repository make sure you re in the master branch git branch devel master 137 Create a new locale directory e g airtime mvc locale de CH LC MESSAGES for German as spoken in Switzerland mkdir p airtime mvc locale de CH LC MESSAGES Copy the template airtime po file into the directory you just created cp airtime mvc Locale template airtime po airtime mvc locale de CH LC MESSAGES and update the header information in the new copy of the a rtime file using the nano editor nano airtime mvc locale de
61. MEDIA LIBRARY CALENDAR Show hide columns CREATING A SMART BLOCK Smart blocks are automatically filled with media files from the Airtime library according to the criteria that you specify This feature is intended to save staff time compared to selecting items for a playlist manually To create a smart block click the New button on the right side of the Library page and select New Smart Block from the pop up menu Like a playlist smart blocks can have a title and Description which you can edit This helps you find relevant smart blocks in searches B This is an example of a smart block Click the link Smart Block Options to display the criteria and modifiers for the smart block The criteria can be any one of Airtime s metadata categories such as Title Creator or Genre The modifier depends on whether the metadata in question contains letters or numbers For example Title has modifiers including contains and starts with whereas the modifiers for BPM include is greater than and is in the range You can also set the smart block type A Static smart block will save the criteria and generate the block content immediately This enables you to edit the contents of the block in the Library page before adding it to a show ADynamic smart block will only save the criteria and the specific content will be generated at the time the block is added to a show After that the content of the show can be changed or re ordered in th
62. NG A NEW PLAYLIST Once you have found the media that you require using the search tools you can create a new playlist on the right hand side of the Playlist Builder page Click the Open Media Builder button to begin ation time 12 21 09 BST LISTEN Show hide columns piration Information 4 36 8 2013 06 25 11 37 50 Then click the New button and select New Playlist from the pop up menu LIBRARY CALENDAR SYSTEM New ERE M RIEN New Smart Block New Webstream Show hide columns Jimi Tenor amp Tony Allen Inspiration Information At first the new playlist will be shown as Untitled Playlist Click the pencil icon on the right to give the playlist a name 53 Delete Type the name you have chosen then press the Enter key on your keyboard to save the new name You can edit the name of the playlist later by clicking on the pencil icon again Click the link View edit description to expand a box where you can enter aDescription for the playlist then click the Save button Setting good quality metadata here will help you find the playlist using the search box later so you should be as descriptive as possible New Delete Save ADDING CONTENT TO A PLAYLIST With a playlist open click on an item in the search results and then click Add to Playlist on the pop up menu Or drag and drop items from the search results on the left into the playlist on the right Ji
63. RC 0 7 LIQUIDSOAP CPU PERC 7 4 MEDIA MONITOR PROCESS ID 4410 MEDIA MONITOR RUNNING SECONDS 55 MEDIA MONITOR MEM PERC 0 5 MEDIA MONITOR CPU PERC 0 0 Your installation of Airtime looks OK Install Complete You are now ready to proceed to the Configuration chapter 101 In the server terminal or console install the list of dependencies For example on Ubuntu you could enter the command sudo apt get install postgresql python virtualenv apache2 coreutils curl ecasound flac gzip libapache2 mod php5 libcamomile ocaml data liquidsoap locales 1507 monit mp3gain multitail patch php5 cli php5 curl php5 gd php5 json php5 pgsql php apc php pear pwgen python rabbitmq server silan sudo sysv rc tar unzip vorbisgain vorbis tools libzend framework php On Debian install zendframework instead of the ibzend framework php package 2 Check that the Apache web server modules that Airtime requires are enabled sudo a2enmod php5 rewrite The server should respond Module php5 already enabled Module rewrite already enabled 3 Create a directory to contain the Airtime web interface sudo mkdir p usr share airtime public 4 Next create the Airtime virtual host configuration file for Apache sudo nano etc apache2 sites available airtime and enter the information below substituting your server s hostname for airtime example com and your system administrator s email address fo
64. REPARING MEDIA FOR INGEST USING THE IMPORT SCRIPT THE AIRTIME LOG COMMAND BACKING UP THE SERVER UPGRADING TROUBLESHOOTING USING MONIT 28 PREPARING MEDIA FOR INGEST Before uploading media to an Airtime server there are a number of factors which should be considered Getting your ingest workflow right will save you a lot of time later METADATA QUALITY Airtime automatically imports any metadata that is in the files 103 tags If these tags are incorrect or are missing information you will have to either edit the metadata manually or suffer the consequences For example if the files have creator or genre metadata missing it will be impossible to search for create playlists or generate smart blocks according to these criteria until you add it There a number of programs available which can be used to correct mistakes or incomplete information in 103 tags On GNU Linux the program Ex Falso http code google com p quodlibet can be useful for batch setting and editing ID3 tags before importing files into your Airtime server On a Debian or Ubuntu desktop machine you can install this program with the command sudo apt get install exfalso After installation you can run this program with the command exfalso or from the desktop menu The Tags From Path feature of this program is a particularly useful time saver if you have a large archive of untagged files Sometimes there is useful creator or title information in the file na
65. Source of the work is not available for anyone to copy free of charge and under the terms of this License through a publicly available network server or other readily accessible means then you must either 1 cause the Corresponding Source to be so available or 2 arrange to deprive yourself of the benefit of the patent license for this particular work or 3 arrange in a manner consistent with the requirements of this License to extend the patent license to downstream recipients Knowingly relying means you have actual knowledge that but for the patent license your conveying the covered work in a country or your recipient s use of the covered work in a country would infringe one or more identifiable patents in that country that you have reason to believe are valid If pursuant to or in connection with a single transaction or arrangement you convey or propagate by procuring conveyance of a covered work and grant a patent license to some of the parties receiving the covered work authorizing them to use propagate modify or convey a specific copy of the covered work then the patent license you grant is automatically extended to all recipients of the covered work and works based on it A patent license is discriminatory if it does not include within the scope of its coverage prohibits the exercise of or is conditioned on the non exercise of one or more of the rights that are specifically granted under this License You may not convey a co
66. System gt Preferences gt Sound on the main desktop menu This configuration tool only works when the PulseAudio sound server is installed Y ou may prefer to remove all system sound files from the computer in case they could be played unintentionally via the sound card For example on Ubuntu you may wish to remove the ubuntu sounds package with the following command sudo apt get purge ubuntu sounds PULSEAUDIO The PulseAudio sound server is not recommended for Airtime sound card output but is installed by default on Ubuntu To remove PulseAudio from an Ubuntu machine type the following command sudo apt get purge pulseaudio Removing the pulseaudio package on a desktop Ubuntu machine may force the removal of the ubuntu desktop metapackage However this metapackage is only installed on the system for managing upgrades removing it does not remove the entire desktop After removing PulseAudio if your Airtime machine has a desktop you can install a mixer applet which can control the ALSA soundcard driver directly such as gnome alsamixer sudo apt get install gnome alsamixer On a server with a sound card but without a desktop you can control sound input and output levels using the command line program alsamixer 00 Haster PCH Surround Center LFE This program should already be installed on an Ubuntu or Debian machine with a sound card If not you can install it with the command sudo apt get install als
67. USER GUIDE e ma 99 5 Go b d PN QUE 6 4 2 2 i mom p lt TABLE OF CONTENTS INTRODUCTION What is Airtime 2 Rights and royalties USING AIRTIME 3 On air in 60 seconds Getting started 5 Smartphone journalism THE SYSTEM MENU 6 Preferences 7 Users 8 Media folders 9 Stream settings 10 Support feedback Status 12 Listener stats THE MAIN MENUS 13 Now playing 14 Add media 15 Library l6 Calendar 17 18 Listen 19 Help AIRTIME IN THE STUDIO 20 Recording shows 21 Live shows with 22 Icecast and SHOUTcast INSTALLATION 23 Preparing the server 24 Easy setup 25 Automated installation 26 Manual installation 27 Setting the server time ADMINISTRATION 28 Preparing media for ingest 29 Using the import script 30 The airtime log command 3 Backing up the server 32 Upgrading 33 Troubleshooting 34 Using Monit ADVANCED CONFIGURATION 35 Automated file import 36 Icecast handover 37 Promoting your station 38 Stream player for your website 39 Exporting the schedule 40 Interface customization 4 Interface localization and Git 42 Host configuration 12 18 23 26 29 32 37 38 39 41 50 53 63 7 74 75 77 80 84 87 91 93 101 104 107 110 112 113 114 115 116 121 123 125 126 128 135 137 139 APPENDIX 43 44 45 46 47 48 Airtime authentication Secure login wit
68. a files that you wish to import Alternatively you may wish to delete the files from the original location after copying them to the storage archive which is accomplished with the move sub command airtime import move directory If the new files are exact duplicates of files that have already been imported theairtime import script will detect this Any users logged into the administration interface will be warned if aFile import is in progress Users assigned the admin privilege should not attempt to change Airtime s default storage directory while an import is taking place NOW PLAYING ADD MEDIA LIBRARY CALENDAR File import in progress Advanced Search Options i C Add to current playlist show hide columns Watching a new folder on the command line is specified by using thewatch add sub command airtime import watch add directory The script will report the name of the folder now being watched for example airtime import watch add home Music home Music added to watched folder list successfully The watched folder will also be listed on the Media Folders page on the System menu of the Airtime administration interface See the chapter Media Folders for making changes to watched folders via the administration interface To obtain a list of currently watched folders in the server console you can use thewatch list sub command airtime import watch list home Music
69. a utils 88 THE PHP CACHE This dependency introduced in Airtime 2 5 0 can improve the responsiveness of the Airtime administration interface and reduce server load Various PHP cache software is available but the current cache software required by Airtime is APC http pecl php net package APC You should uninstall or disable any other PHP cache that may be present on the server such as XCache before installing Airtime and APC This is because having multiple caches enabled can cause problems for PHP You can remove the XCache package php5 xcache from a Debian or Ubuntu server with the command sudo apt get remove php5 xcache APC is available in Debian or Ubuntu as the php apc package If you already have Apache installed on the server you are going to use for Airtime you can install APC and get it working with the following commands sudo apt get install php apc sudo invoke rc d apache2 restart APC has an administration page which is not installed by default If you wish you can install and configure it with the following commands sudo cp usr share doc php apc apc php usr share airtime public sudo nano usr share airtime public apc php You should set an admin password for the user on line 42 of the file such as mynewpassWord in this example defaults ADMIN PASSWORD mynewpassword Save the apc php file with Ctrl O and close it with Ctrl X Then open a web browser at theapc php page of your Airtime server s
70. ade sets the length of the audio fade as scheduled playout is switched to a remote input source and back 32 Each type of input stream requires a username and password before the remote broadcaster can connect to Airtime TheMaster Username and Master Password can be set in the Input Stream Settings box while the authentication for individual Show Sources is set up in Airtime s schedule calendar See the Calendar chapter for details Input streams must have a Port for the remote broadcaster to connect to which should be a number in the range from 1024 to 4915 If you have the Icecast or SHOUT cast streaming server running on the same machine as Airtime you should avoid using port 8000 or 8001 for either type of Airtime input stream This is because both Icecast and SHOUTcast use port 8000 and SHOUTcast also uses port 8001 If the usernames and passwords were similar remote broadcasters might accidentally connect to the streaming server directly bypassing Airtime To avoid further confusion it is also recommended that you set a differentMount Point the specific filename for broadcasters and listeners to connect to from that used on your public Icecast or SHOUT cast server Input Stream Settings Auto Switch Off e Auto Switch On o Switch Transition Fade s Master Username Master Password TIT If your Airtime server is behind a firewall and you wish remote broadcasters to connect input streams to it across the pub
71. ady set up in DNS or dynamic DNS to point to the IP address of the Airtime server For a test server that will only be accessed directly from the same machine you can use the default setting of localhost here Configuring airtime Enter the main hostname of the web server The DNS of this name must resolve to the apache server running on this machine e g example com or www example com without the quotes You can customize etc apache2 sites enabled airtime vhost afterward and add ServerAliases and further custom configuration more info soon FQDN apache vhost ServerName Localhost Next set the contact email address of the server administrator which is good practice in case of any server problems For a test server using an address at the localhost is acceptable Configuring airtime required for dedicated vhost setup more info soon Email of the vhost admin ServerAdmin root locaLhost Debian and Ubuntu servers are set up with a default Apache configuration which might block station staff from accessing Airtime If you wish this default configuration can be removed automatically for you 97 Configuring airtime By default the apache webserver comes with configuration to send all v hosts to var www This option will invoke sudo a2dissite default and 15 recommended when using airtime as vhost remove OO0 default apache config no change Ok If you are installing Airtime and Icecast
72. ain can be automatically adjusted to provide an average output of 14 dBFS loudness 14 decibels below full scale See http www replaygain org for more details of ReplayGain Because of this automatic gain adjustment any files with average loudness higher than 14 dBFS will not sound louder than quieter files at playout time but the lower crest factor in the louder files their relatively low peak to average ratio may be apparent in the output making those files sound less dynamic This may be an issue for contemporary popular music which can average at 9 dBFS or louder before ReplayGain adjustment See http www soundonsound com sos sep l articles loudness htm for a detailed analysis of the problem Your station s producers should therefore aim for 4dB between peak and average loudness to maintain the crest factor of their prepared material also known as DR14 on some dynamic range meters such as the command line 4 T meter available from http sourceforge net projects dr 4tmeter If the producers are working to a different loudness standard the ReplayGain modifier in Airtime s Stream Settings page can be adjusted to suit their material Large transient peaks in otherwise quiet files should be avoided to guard against the need for peak limiting when ReplayGain is applied to those quieter files The vorbisgain command line tool available in the vorbisgain package in Debian Ubuntu can be used to indicate the ReplayGain of
73. al purpose computers but in those that do we wish to avoid the special danger that patents applied to a free program could make it effectively proprietary To prevent this the GPL assures that patents cannot be used to render the program non free The precise terms and conditions for copying distribution and modification follow TERMS AND CONDITIONS 0 Definitions This License refers to version 3 of the GNU General Public License Copyright also means copyright like laws that apply to other kinds of works such as semiconductor masks The Program refers to any copyrightable work licensed under this License Each licensee is addressed as you Licensees and recipients may be individuals or organizations To modify a work means to copy from or adapt all or part of the work in a fashion requiring copyright permission other than the making of an exact copy The resulting work is called a modified version of the earlier work or a work based on the earlier work A covered work means either the unmodified Program or a work based on the Program To propagate a work means to do anything with it that without permission would make you directly or secondarily liable for infringement under applicable copyright law except executing it on a computer or modifying a private copy Propagation includes copying distribution with or without modification making available to the public and in some countries other activities a
74. alias module is used to set aRedirect permanent for the login page Access should be denied to all sites except localhost and any other Airtime servers on your network so that unencrypted communication between Airtime components can continue lt VirtualHost 443 gt SSLEngine on SSLProtocol all SSLv2 SSLCertificateFile etc ssl certs ssl cert snakeoil pem SSLCertificateKeyFile etc ssl private ssl cert snakeoil key Header always set Strict Transport Security max age 31536000 ServerName airtime example com ServerAlias www example com ServerAdmin 1 DocumentRoot usr share airtime public DirectoryIndex index php Directory usr share airtime public Options Indexes FollowSymLinks MultiViews AllowOverride all Order allow deny Allow from all Directory lt VirtualHost gt lt VirtualHost 80 gt ServerName airtime example com ServerAdmin 1 DocumentRoot usr share airtime public Redirect permanent login https airtime example com Llogin SetEnv APPLICATION ENV production Directory usr share airtime public Options Indexes FollowSymLinks MultiViews AllowOverride ALL Order deny allow Deny from all Allow from localhost lt Directory gt lt VirtualHost gt Save the file with Ctrl O and exit the nano editor with Ctrl X Then restart Apache with the command 143 sudo service apache restart When attempting to log into your server v
75. an individual Ogg Vorbis file before ingest into Airtime A similar tool for MP3 files is available in the mp3gain package in Debian Ubuntu Here is an example of a very quiet file where the use of ReplayGain would make the output more than 7dB louder vorbisgain d Peter Lawson Three Gymn ogg Analyzing files Gain Peak Scale New Peak Track 17 39 dB 4536 7 40 33585 Peter Lawson Three Gymn ogg And here is an example of a very loud file with lower crest factor where the output will be more than 7dB quieter with ReplayGain applied vorbisgain d Snoop Dogg Doggfather ogg Analyzing files Gain Peak Scale New Peak Track 7 86 dB 36592 0 40 14804 Snoop Dogg Doggfather ogg 108 In the output from vorbisgain Peak is the maximum sample value of the file before any ReplayGain has been applied where a value of 32 767 represents full scale when decoding to signed 16 bit samples Note that lossy compressed files can have peaks greater than full scale due to encoding artifacts The New Peak value for the Snoop Dogg file may be relatively low due to the hard limiting used in the mastering of that piece of music SILENCE IN MEDIA FILES Before importing media it is good practice to check for any silent sections in the media files While Airtime compensates for leading and trailing silence with the use of autom
76. anager on your computer Sourcetabric FM 555 123 456 http www sourcefabric org en airtime Canada s most rockin radio home sourcefabric_fm png Browse THE MASTER PANEL After the pop up window is closed you should now see the Master Panel which is present at the top of every page of the Airtime interface On the left hand side the Master Panel displays the details of the Previous file played out the current file playing with an orange progress bar and time elapsed time remaining and the details of the Next file due to play It also displays the name and scheduled time of the current show with a blue progress bar Beneath this side of the Master Panel is the main navigation menu with sub menus labelled Now Playing Add Media Library Calendar System History and Help We ll be looking at the contents of these menus in the following chapters of this book Sly amp Robbie Amp Fiddler Crazy Day 04 21 00 F Jimi Tenor amp Tony Allen Darker Side 00 06 11 00 00 42 Example Show 17 Mighty Shadow Dat Soca Boat 04 52 00 NOW PLAYING ADD MEDIA LIBRARY CALENDAR SYSTEM HISTORY On the right hand side of the Master Panel are the switches for the Source Streams which enable you to switch from scheduled play to remote live sources and back See the chapter Stream settings for details of this feature The On Air indicator turns from dark grey to red whenever audio is being played out U
77. and click the start button Filename 1 14 Justo Betancourt Pa Bravo Yo mp3 Drag files here B File Edit View Go Bookmarks Help Back v Forward E amp Add files Start upload t o o gt _ _ _ J J 1 14 Justo 01 Love Dancing Betancourt Pa mp3 Bravo Yo mp3 If your web browser does not support drag and drop you can use theAdd files button which has a white plus sign in a green circle icon to open a file selection window on your computer 50 r Search 1 14 Justo Betancourt Pa Bravo Yo Recently Used _ 01 Love Dancing mp3 05 04 11 daniel Jl 02 Dat Soca Boat mp3 6 7 MB 05 04 11 8 Desktop a 02 Pardon mp3 5 6MB 05 04 11 File System 03 My Oasis mp3 6 9MB 05 04 11 J 04 Love And Death mp3 9 5 05 04 11 Downloads 64studio Jl 05 Do The Spanish Hustle Danny 12 7 MB 05 04 11 06 Electricone mp3 5 1MB 05 04 11 Jl 07 Cherchez Pas mp3 8 2 MB 05 04 11 Jl 08 Emakhaya mp3 10 1MB 05 04 11 Jl 09 Wozani Mahipi mp3 3 3MB 05 04 11 10 Green Africa mp3 7 2 MB 05 04 11 T Peace On Earth mp3 10 6 MB 14 04 11 Add Remove All Files 2 After you have added all the files that you require to the upload queue click theStart upload button which has a green arrow icon Select files Add files to the upload queue and click the s
78. any liability that these contractual assumptions directly impose on those licensors and authors All other non permissive additional terms are considered further restrictions within the meaning of section 10 If the Program as you received it or any part of it contains a notice stating that it is governed by this License along with a term that is a further restriction you may remove that term If a license document contains a further restriction but permits relicensing or conveying under this License you may add to a covered work material governed by the terms of that license document provided that the further restriction does not survive such relicensing or conveying If you add terms to a covered work in accord with this section you must place in the relevant source files a statement of the additional terms that apply to those files or a notice indicating where to find the applicable terms Additional terms permissive or non permissive may be stated in the form of a separately written license or stated as exceptions the above requirements apply either way 8 Termination You may not propagate or modify a covered work except as expressly provided under this License Any attempt otherwise to propagate or modify it is void and will automatically terminate your rights under this License including any patent licenses granted under the third paragraph of section 11 However if you cease all violation of this License then your licens
79. ask of 255 255 255 0 allow 10 0 1 2 255 255 255 0 If you enable remote admin access be sure to change the randomly generated password in the line beginningallow admin ona regular basis like you would for any important password The password for the read only guest access should remain as airtime because Airtime uses this password to collect information for the Status page of the administration interface set httpd port 2812 and use address localhost allow localhost allow 10 0 1 2 255 255 255 0 allow admin LGW12WB9J7 allow guest airtime read only Press Ctrl O to save the file then Ctril X to exitnano Then restart Monit with sudo invoke rc d monit restart SENDING EMAIL ALERTS To configure Monit to send email alerts edit the file etc monit monitrc to uncomment the set mailserver parameter Change this line to show the name of the SMTP server on your Airtime server s network as provided by your system administrator sudo nano etc monit monitrc 118 GNU nano 2 2 2 set statefile var monit state Set the list of mail servers for alert delivery Multiple servers may b specified using comma separator By default monit uses port 25 this 15 possible to override with the PORT option B set mailserver mail bar baz primary mailserver backup bar baz port 10025 backup mailserver on port 1 localhost fallback relay By default monit will drop alert events if no mail servers are ava
80. atic cue in and cue out points it may be preferable to trim these files to the intended length before upload This is because media in the Airtime library could potentially be re used in many different systems Audacity is a cross platform editor suitable for the task of trimming audio files available from http audacity sourceforge net Very quiet introductions or over long fades can also lead to apparent gaps in your broadcast playout Some audio CDs feature a hidden track at the end which in fact uses a long period of silence within the final track rather than an actual separate track on the disc This means that CD encoding programs will often encode both the hidden material and the silence in the media file For example the track Debra from the CD Midnite Vultures by Beck includes hidden material preceded by seven minutes of silence as shown in the screen shot from Audacity below ze ph iem pepa gees yahe See R 5p E h ue D Hi E d dpa be d th te Bic mm iu Li a a LE GE M h dalb di JM a m m Era HE 0 H Shade Fees EGR SSE Di mal E j he Pee De 109 29 USING THE IMPORT SCRIPT If you have a large number of files in your media library importing these files one at a time into a broadcast automation system would
81. ation of airtime easy setup has completed you can install the latest Airtime package on a desktop system using your usual package manager such as Ubuntu Software Centre or Synaptic on Debian Ubuntu Software Centre File Edit View Help History airtime Installed All Software Open radio software for scheduling and remote station management airtime More Info On a server you can use the command sudo airtime easy setup CONFIGURE FOR PRODUCTION To convert a test installation into a production installation you can run the command sudo dpkg reconfigure airtime The dkpg reconfigure command will run through the configuration steps shown in the Automated installation chapter so that you can set the correct hostnames and passwords for your production Airtime server 92 2 5 e AUTOMATED INSTALLATION This installation method is intended for computers running Ubuntu or Debian GNU Linux and is the recommended method for production Airtime systems If you have previously performed a manual installation of Airtime on the server you should run the airtime uninstall script to remove it before setting up the server for automated installation SET UP REPOSITORIES FOR UBUNTU When installing on an Ubuntu server a few of the packages that Airtime relies on are in the Ubuntuuniverse or multiverse repositories If either of these repositories is disabled you can enable them in the etc apt sources list file
82. cess to your Airtime server by clicking the Reset Password link on the login page If you wish to enable the password reset option your Airtime server can have an SMTP mail program installed See the chapter Preparing the server for details Alternatively you can check the box Configure Mail Server and specify the details of an external SMTP server which would usually require authentication if it is outside of your local network Whether SMTP runs on the same server as Airtime or on another server you should enter a valid email address into theReset Password From Email field to help ensure emails are delivered correctly Then click theSave button 23 SOUNDCLOUD SETTINGS If your station has a SoundCloud account on http soundcloud com you may wish to upload files and show recordings to this service in order to broaden distribution and balance the bandwidth load with your own servers Click the small black triangle next to SoundCloud Settings to show the options available Check the Enable Soundcloud Upload box then optionally check the Automatically Upload Recorded Shows box You will also need to enter your SoundCloud login email address and password and the tag metadata that SoundCloud will use to categorize your show recordings Check the box Automatically Mark Files Downloadable on SoundCloud if you wish to enable this option You can also set a default genre track type and copyright license here including public
83. clients include FileZilla for Windows http filezilla project org and Cyberduck for Mac and Windows http cyberduck ch To enable SFTP uploads first invoke the adduser command to create the uploads account on the server For security reasons this user account is restricted to using SFTP only it cannot be used for executing other commands in a login shell sudo adduser home srv airtime uploads shell usr lib sftp server uploads The server will then invite you to type in the password for the newuploadss user and once again for confirmation The security of your Airtime server depends on the strength of the password that you set so be sure to use a long and complex password with upper case lower case and numerical characters It is not necessary to set a full name or other details for this account Adding user uploads Adding new group uploads 1003 Adding new user uploads 1002 with group 5 Creating home directory srv airtime uploads Copying files from etc skel Enter new UNIX password Retype new UNIX password passwd password updated successfully Changing the user information for uploads Enter the new value or press ENTER for the default Full Name Room Number Work Phone Home Phone Other Is the information correct Y n Y Next create a folder to contain the incoming files sudo mkdir srv airtime uploads incoming Then create a script to run once per hour s
84. ctory to select it then tap the OK button The files are credited to Unknown artist because they have not yet been tagged with creator metadata y YiezUGus jojo i recordings Unknown artist 20120807 163923 recordings Unknown artist 20120807_165343 recordings Unknown artist TIS 2 ELI 20120807 161 20120807 16534 3 20120807 155343 If you prefer you can upload audio files to theorganize folder on the Airtime server using an SFTP client skipping the web browser step See the chapter Manage media folders for details Suitable client applications include AndFTP for Android http www lysesoft com products andftp index html You can now add the uploaded files directly to a forthcoming show use them to create smart blocks or playlists in theLibrary or edit their metadata to make them easier to find in searches later One of the limitations of mobile recording is that it isn t always convenient to enter large amounts of text metadata when you re on the move So a phone app that tagged audio recordings with creator location and other relevant metadata would be very useful GOING LIVE Mobile apps which enable you to stream directly into Airtime s live rebroadcast feature includeKoalaSan for iOS http koalasan net and BroadcastMySelf for Android https play google com store apps details id sa broadcastmyself DemolcesShout for Android also shows promise although it can only stream a
85. curity reasons it is highly recommended that all API requests sent over encrypted https and that the web server is configured to accept requests to the api directory from specific host names or IP addresses only The format of requests is https airtime example com api api action format json api key XXXXXX where api action is the type of request and XXXXXX is the secret API key Available actions include e on air light return true if the station is on air e status get the status of Airtime components and resource usage e version returns the version of Airtime installed e get files without silan value list files for which silence detection has not yet been performed e get stream setting gets the settings of Airtime output streams e get stream parameters gets the parameters of Airtime output streams For example using the action get stream setting returns the following output for the first configured stream keyname sl1 type value ogg type string i keyname s1l host value streaming example com type string i keyname s1l port value 8000 type integer keyname s1 mount value airtime 128 type string i keyname s1l url value http airtime sourcefabric org type string i keyname s1l description value Airtime Radio Stream 1 type string 51 genre value Screamo type string which is enough information
86. d it in searches later such as Album or Language Then click the Save button CANCELLING A RECORDING If you wish to cancel the recording of a live show click on the show in theCalendar and select Cancel Current Show from the pop up menu 78 Playlisted Show Airtime will ask you if you are sure about this action as it cannot be undone The recorded show file in the Airtime library will be truncated if you click the OK button Stop recording current show 79 2 e LIVE SHOWS WITH MIXXX Mixxx is a cross platform Open Source application for DJs available from http www mixxx org Installed on a desktop or laptop computer Mixxx complements your Airtime server to provide a complete system for both live and scheduled broadcasting Although Mixxx has many features designed for dance music DJs that require beat matching and pitch independent time stretching the program can be used for any kind of manually triggered broadcast playout including live speech shows such as news or current affairs Mixxx supports a wide variety of popular hardware control surfaces which can be connected to your computer using a USB cable A control surface might replace or augment an analogue mixer in your studio depending on your live mixing and playout requirements SOUND CARDS If you wish to use Airtime and Mixxx on the same machine you will need two or more sound cards as each program requires exclusive access to the sound ha
87. d media NOW PLAYING ADD MEDIA LIBRARY CALENDAR SYSTEM Select files Add files to the upload queue and click the start button Filename 1 14 Justo Betancourt apa Bravo Yo mp3 Drag files here File Edit View Go Bookmarks Help Em Back Forward v 4 gt ee M 1 14 Justo 01 Love Dancing Betancourt Pa mp3 Bravo Yo mp3 Add files 4 Start upload 3 Create a show by clicking Calendar on the main menu and then clicking the Show button Calendar Only admins and program managers can add shows Users NOW PLAYING ADD MEDIA LIBRARY CALENDAR SYSTEM 4 Set a name for your show in the What section of the box and a date and time in the When section then click the Add this show button Calendar NOW PLAYING ADD MEDIA LIBRARY CALENDAR LEE _ 30 Close Add this show l m on air in 60 seconds or less Date Time Start Date Time End Duration Repeats 5 Add media to the new show by clicking your show in theCalendar and selecting Add Remove Content Calendar Or if the show has already started use the Add Remove Content button on the Now Playing page Now Playing CALENDAR HELP October 2012 e Remove All Conte Show Content F Edit Show Delete ILL 6 Click media in the search results on the left side of the pop up window which will appear and drag it into your show on t
88. d speaker DAC ALC861 660 minimal 3 jack in back min fp 3 jack in back 2 jack in front full 6 jack in back 2 jack in front full dig 6 jack in back 2 jack in front SPDIF I O allout 5 jack in back 2 jack in front SPDIF out auto auto config reading BIOS default AD1882 AD1882A 3stack 3 stack mode 3stack automute 3 stack with automute front HP default 152 6stack 6 stack mode AD1884A AD1883 AD1984A AD1984B desktop 3 stack desktop default laptop laptop with HP jack sensing mobile mobile devices with HP jack sensing thinkpad Lenovo Thinkpad X300 touchsmart HP Touchsmart AD1884 basic 3 jack default hp HP nx6320 thinkpad Lenovo Thinkpad T60 X60 260 toshiba Toshiba U205 AD1983 basic default configuration thinkpad Lenovo Thinkpad T61 X61 dell desktop Dell T3400 AD1986A 6stack 6 jack separate surrounds default 3stack 3 stack shared surrounds laptop 2 channel only FSC V2060 Samsung M50 laptop eapd 2 channel with EAPD ASUS A6J laptop automute 2 channel with EAPD and HP automute Lenovo N100 ultra 2 channel with EAPD Samsung Ultra tablet PC samsung 2 channel with EAPD Samsung R65 samsung p50 2 channel with HP automute Samsung P50 AD1988 AD1988B AD1989A AD1989B 6stack 6 jack 6stack dig ditto with SPDIF 3stack 3 jack 3stack dig ditto with SPDIF laptop 3 jack with hp jack automute laptop dig ditto with SPDIF auto auto config reading BIOS default Conexant 5045
89. d through the Calendar by clicking on the buttons which have a small grey triangle in a white circle Click the today button to jump to today s date in the current view Thetoday button will be greyed out if you are already viewing that date In the day or week views there is also a drop down menu which allows you to set the resolution displayed for the calendar ranging from one minute per row to sixty minutes per row NOW PLAYING ADD MEDIA LIBRARY CALENDAR SYSTEM GO Friday Oct 19 2012 ADDING A SHOW Only Admins and Program Managers can use this feature To add a new show to the Calendar click the Show button in the top left corner of the page or click on any future row or box in the Calendar which is empty Either of these actions opens the Add this show box which has six sections arranged vertically What When Live Stream Input Record amp Rebroadcast Who and Style Click the small black triangle to the left of the section name if you wish to minimize or maximize it WHAT In the What box enter the Name public website URL Genre and Description for the show that you are creating 63 ADD MEDIA CALENDAR Add this show Add this show WHEN Next in the When section if you clicked on a date in the Calendar this should already be entered in the Date Time Start field To set another date for the show click on the date in the Date Time Start field and select the date that you require from the small pop up cale
90. dcast station In some scenarios the transmitter is situated outside the reach of the broadcaster and all program management has to be maintained through the web interface Possible reasons for this scenario might be of a pragmatic nature running many stations from one central office due to limited human resources or an emergency running a transmitter in a crisis area without putting staff at risk A fully managed Airtime Pro service is available from Sourcefabric Airtime source code and packages for Debian and Ubuntu are also available for download under the GNU General Public License version 3 If you re an Airtime Pro user you can go straight to the Getting started chapter of this book and log in If you wish to install Airtime on your own server you should start at the Preparing the server chapter and work your way through the installation steps Alternatively a demonstration server is available for public use at http airtime demo sourcefabric org AIRTIME WORKFLOW This typical workflow is intended to clarify the difference between the various components that make up a complete Airtime system There are media files on a storage server which include metadata in their tags title creator genre and so on This storage server might be accessed directly via studio workstations on the local network 2 The Airtime media monitor keeps track of files being added renamed moved or removed from storage and reads their metadata usi
91. ders NOW PLAYING ADD MEDIA LIBRARY CALENDAR SYSTEM Service Od 6h 25m 40s 0 4 16 3MB 0 2 Od 6h 25m 14s 6 996 28 5MB 0 496 Od 6h 25m 40s 5 996 20 2 0 3 176 0GB of 250 7GB 15 7GB of 17 7GB 88 7 in use If any of the check mark icons in the Status column have changed to red warning sign contact your system administrator for assistance The chapter Troubleshooting contains some tips Airtime will do its best to restart any failing services but sometimes manual intervention may be required for example in the case of hardware failure If you have run out of storage space an Airtime user with admin privileges could log in and delete media files that are no longer required from the Library Alternatively you could move some files to a watched folder on another disk or ask your system administrator to install additional storage capacity 38 2 LISTENER STATS The Listener Stats page on the System menu shows graphs of listener connections to the configured streaming servers for the selected date and time range On the right side a green Status indicator shows OK if the connection to the streaming server is active admin Logout Airtime 2 If the status indicator is red check that the Admin User and Admin Password settings are correct under Additional Options for the named mount point such as a rtime 128 on the Streams page of the System menu By default statistics for the la
92. development version of the software Versions of Airtime recommended for production use are available for download and upgrade via secure apt as shown in the Automated installation chapter DEPENDENCIES PROVIDED BY SOURCEFABRIC The http apt sourcefabric org repository contains up to date Debian and Ubuntu packages of Airtime dependencies such as liquidsoap and silan which you may find convenient to install even if you are installing Airtime manually Refer to the chapter Automated installation for repository setup details Airtime requires a version of python virtualenv later than 1 4 8 but Ubuntu Lucid includes the older version 1 4 5 of this package Before performing a manual installation on Lucid you should update python virtualenv using the backported package available from the http apt sourcefabric org repository This step is not necessary when performing an automated installation in which dependencies are resolved automatically FULL INSTALL The airtime full install script is designed to configure your server for you using typical default settings In the server terminal or console download Airtime from https github com sourcefabric Airtime releases with wget For example to download version 2 5 1 you could use the command wget https github com sourcefabric Airtime archive airtime 2 5 1 ga tar gz Then unzip the downloaded file in your home directory This action will create a subdirectory called airtime 2 5 1 tar
93. djust a cue point but the Original Length of the file is also displayed for your reference 57 My Playlist s View edit description 7th Galaxy feat Bufford 14KT remix Dennis Coffey Show Waveform Cue In hh mm ss t Cue Out hh mmrss t Original Longa 417 4 All Your Goodies Are Gone feat Mayer Hawthorne 14 Dennis Coffey Beautiful Way Beck If a Fade In and Cue In are set on the same item in the playlist the fade in begins at the Cue In point If a Fade Out and Cue Out are set on the same item the fade out ends at the Cue Out point If your web browser supports the Web Audio API you can click the Show Waveform button to adjust and audition cue points b Play 00 03 49 8 Cue In 00 03 50 0 Set Cue In Set Cue Out Cancel When your playlist is complete click the New button in the top left corner to create another playlist click the close icon a white cross in a black circle in the top right corner or browse to another page of the Airtime interface If you want to edit the playlist content or metadata later you can find it byTitle Creator Last Modified date Length Owner or Year using one of the search tools on the Library page Click the playlist in the search results list and then click Edit from the pop up menu You can also Preview the entire playlist in a pop up audition window Duplicate or Delete one of your playlists from this menu 58 ADD
94. ds before the previous stream ends to enable a smooth transition 124 37 PROMOTING YOUR STATION If you have an Icecast server you can put a link to the Icecast status page by default at port 8000 on your station s homepage to provide an overview of available streams See the chapter Interface customization for tips on theming the Icecast status page You can also use Now Playing widgets see the chapter Exporting the schedule or HTML5 stream players see the chapter Stream player for your website to help grow your audience On Icecast server you can uncomment the lt directory gt section in the etc icecast2 Iicecast xml file to have your station automatically listed on the Icecast directory website http dir xiph org which could help you pick up more listeners lt Uncomment this if you want directory listings gt directory lt yp url timeout gt 15 lt yp url timeout gt lt yp url gt http dir xiph org cgi bin yp cgi lt yp url gt lt directory gt The Indymedia stream directory at http radio indymedia org en yp links to grassroots independent radio projects around the world You can add your station to their list with an additional lt directory gt section as follows lt directory gt lt yp url timeout gt 15 lt yp url timeout gt lt yp url gt http radio indymedia org cgi bin yp cgi lt yp url gt lt directory gt Another stream directory service is provided by the Liquidsoap Flows sitehttp
95. e lt VirtualHost gt 4 In the schedule server s DocumentRoot folder create the folders api live info and api week info sudo mkdir p var www schedule api live info sudo mkdir p var www schedule api week info 130 5 Create an index php file in che api live info folder sudo nano var www schedule api live info index php containing the following code php filename tmp live info define here the path and name of uploaded live info file header Content Type text javascript header Expires Thu 01 Jan 1970 00 00 00 GMT header Cache Control no store no cache must revalidate callback empty GET callback 2 null GET callback content file get contents filename content str replace callback content echo content 2 gt 6 Create an index php file in the api week info folder sudo nano var www schedule api week info index php containing the following code php filename tmp week info define here the path and name of uploaded week info file header Content Type text javascript header Expires Thu 01 Jan 1970 00 00 00 GMT header Cache Control no store no cache must revalidate callback empty GET callback null GET callback content file get contents filename content str replace callback content echo content 2 gt 7 Enable the new configuration and reload the Apache web server
96. e If you are using a desktop environment and web browser directly on the server you should install at least 2GB RAM to avoid swapping to disk The Airtime installation does not use much disk space but you should allow plenty of storage capacity for the Airtime library A hot swap RAID array is recommended for media storage in case of disk failure You should also consider a UPS or other battery powered system to offer some protection against short term power failures SOUND CARDS If your Airtime machine will only be used to stream directly to an Icecast or SHOUTcast streaming media server you do not require a sound card to be installed on the Airtime server side This option is suitable for Airtime installations at your ISP s data centre remote from any transmitter However you will not be able to take advantage of Airtime s live show recording feature yet If you intend that your Airtime server will have a direct audio output to a broadcast transmitter or a separate stream encoder your server machine must have a sound card supported by an ALSA driver Almost all standard sound cards have ALSA drivers built into the Linux kernel which do not need to be installed separately If in doubt about driver support for your sound card check the ALSA support matrix at http www alsa project org main index php Matrix Main USB AUDIO DEVICE INDEX Some server motherboards do not have a default ALSA device index number zero shown as hw 0 0 in ALSA
97. e Description 3stack 3 jack in back and a headphone out 3stack digout 3 jack in back a HP out and a SPDIF out 5stack 5 jack in back 2 jack in front 5stack digout 5 jack in back 2 jack in front a SPDIF out 6stack 6 jack in back 2 jack in front 6stack digout 6 jack with a SPDIF out ALC260 inv dmic Inverted internal mic workaround ALC267 268 inv dmic Inverted internal mic workaround ALC269 270 275 276 28x 29x laptop amic Laptops with analog mic input laptop dmic Laptops with digital mic input alc269 dmic Enable ALC269 VA digital mic workaround alc271 dmic Enable ALC271X digital mic workaround inv dmic Inverted internal mic workaround headset mic Indicates a combined headset headphone mic jack lenovo dock Enables docking station I O for some Lenovos dell headset multi Headset jack which can also be used as mic in dell headset dock Headset jack without mic in and also dock I O ALC66x 67x 892 mario Chromebook mario model fixup asus model ASUS asus mode2 ASUS asus mode3 ASUS asus mode4 ASUS asus mode5 ASUS asus mode6 ASUS asus mode7 ASUS asus mode8 ASUS inv dmic Inverted internal mic workaround dell headset multi Headset jack which can also be used as mic in ALC680 acer aspire 4930g Acer Aspire 4930G 5930G 6530G 6930G 7730G acer aspire 8930g Acer Aspire 8330G 6935G acer aspire Acer Aspire others inv dmic Inverted internal mic workaround no primary hp VAIO Z VGC LN51JGB workaround for fixe
98. e Now Playing page 59 New Shuffle EL J k E Click the plus button on the left to add OR criteria such as Creator containing beck OR Jimi The criteria are not case sensitive For a static smart block click the Generate button to see the results Dynamic smart blocks do not display the Generate or Shuffle buttons Shuffle Path To Wisdom T TEE TT ul Jimi Get Real Paid Beck Cella s Walk Milk amp Honey ETAF Beck If you don t like the ordering which is generated click the Shuffle button or drag and drop the smart block contents into the order that you prefer You can also remove items or add new items manually from the Library Changes to static smart block contents are saved automatically when you add items remove or re order them or click the Generate button Click the Save button in the upper right corner to save any changes to smart block criteria To add an AND criteria such as Creator containing jimi AND BPM in the range 120 to 130 click the plus button on the right If you see the message 0 files meet the criteria in this case it might mean that the files in the Library have not been tagged with BPM metadata See the chapter Preparing media for ingest for tips on tagging content 60 Generate udis ____ w E A By default a smart block will not contain repeated items which will limit the duration of the block if you do not ha
99. e entire show in advance of playout or remove the item that was clicked on from the show 48 Multiple insertion points can be enabled so that the same item is inserted into the schedule at different times For example you may wish to play a news report every hour or a station ident after every five music files A live show set for recording from the Airtime server s sound card is displayed with a red dot icon in the first column It would not contain any files or playlists smart blocks or web streams IDEEN EE EN _ EN Q Find Ey Shows Show hide columns 49 4 ADD MEDIA If you do not have direct access to the Airtime server you can add files to the Airtime library using theAdd Media page of the administration interface The Add Media page is not visible to Guest users This page includes an upload queue for media files which supports drag and drop from your computer s file manager if you are using a recent web browser such as Mozilla Firefox 16 or later Some web browsers may set an upload limit for a single file between 200MB and 2GB If you need to upload files larger than 200MB to the Airtime server on a regular basis you may find it more convenient to perform the upload using SFTP rather than through the browser See the chapter Automated file import for more details NOW PLAYING ADD MEDIA LIBRARY CALENDAR SYSTEM Select files Add files to the upload queue
100. e following brief explanation of compensation rules for songwriters musicians and other copyright holders may save you a great deal of trouble later Independent music radio on the Internet has faced royalty demands from SoundExchange in the USA and similar organizations in other territories These organizations are usually membership societies or government sanctioned national authorities which are intended to collect money from broadcasters to compensate copyright holders The royalty collection societies require payment before you can stream just about any music released commercially to the general public whether you make any money out of streaming or not It s not so much the percentage of revenue demanded but that there are usually annual minimum fees to pay which can hurt small stations disproportionately For example in the UK the MCPS PRS Limited Online Music Licence covers non commercial music streaming by groups and individuals as long as their gross revenue is less then 12 500 per year The cost is on a sliding scale up to 1 120 plus 2076 tax per year for delivering up to 450 000 individual streams or serving 25 000 files after that you have to apply for a full MCPS PRS Online Music Licence That doesn t sound too bad at first but 25 000 files per year works out at less than four downloads per hour for a round the clock website This particular licence only covers publishing songwriter rights not recording record label and mu
101. e from a particular copyright holder is reinstated a provisionally unless and until the copyright holder explicitly and finally terminates your license and b permanently if the copyright holder fails to notify you of the violation by some reasonable means prior to 60 days after the cessation Moreover your license from a particular copyright holder is reinstated permanently if the copyright holder notifies you of the violation by some reasonable means this is the first time you have received notice of violation of this License for any work from that copyright holder and you cure the violation prior to 30 days after your receipt of the notice Termination of your rights under this section does not terminate the licenses of parties who have received copies or rights from you under this License If your rights have been terminated and not permanently reinstated you do not qualify to receive new licenses for the same material under section 10 9 Acceptance Not Required for Having Copies You are not required to accept this License in order to receive or run a copy of the Program Ancillary propagation of a covered work occurring solely as a consequence of using peer to peer transmission to receive a copy likewise does not require acceptance However nothing other than this License grants you permission to propagate or modify any covered work These actions infringe copyright if you do not accept this License Therefore by modifying or propaga
102. e multiverse The exact repository mirror URLs in your sources list file will differ from the above screenshot depending on your location The Sourcefabric repository contains packages for Airtime and any other packages which Airtime requires To add the Sourcefabric repository to an Ubuntu Lucid server scroll to the end of the sources list file and add the following line deb http apt sourcefabric org lucid main For Ubuntu 12 04 Precise 12 10 Quantal 13 04 Raring or 13 10 Saucy substituteprecise quantal raring or Saucy in place of lucid in the line above 93 sources list GNU nano 2 2 2 Also please note that software in backports WILL NOT receive any 1 or updates from the Ubuntu security team deb http gb archive ubuntu com ubuntu lucid backports main restricte deb src http gb archive ubuntu com ubuntu lucid backports main restr Uncomment the following two lines to add software from Canonical s partner repository This software 15 not part of Ubuntu but is offered by Canonical and t respective vendors as a service to Ubuntu users deb http archive canonical com ubuntu lucid partner deb src http archive canonical com ubuntu Lucid partner deb http security ubuntu com ubuntu lucid security main deb http security ubuntu com ubuntu lucid security universe deb http apt sourcefabric org lucid 1 Press Ctrl O the Ctrl key and the letter together
103. e right of the Trashcan To cancel the current show completely click the red button to the right again A pop up window will ask you to confirm the cancellation as this action cannot be undone 43 Cancel Current Show Items which are no longer available have an exclamation mark icon in the second column This may happen for media files which were part of previous shows and were removed from Airtime s library main storage or watched folders subsequently Items which are included in forthcoming shows cannot be removed from the Library via the Airtime interface NOW PLAYING ADD MEDIA LIBRARY CALENDAR SYSTEM ELS RETE 2012 10 15 57 15 25 2012 10 16 77 15 25 Filter By Show 15 18 00 15 21 00 5 it s M araa ia ee ADVANCED AND SIMPLE LIBRARY SEARCHES In the top left corner of the page is an Add Remove Content button which enables you to open Airtime s library NOW PLAYING ADD MEDIA LIBRARY CALENDAR SYSTEM Q Find Shows 15 18 00 15 21 00 It s Just the Night a a Ln Mareas I E nr In the library table which opens the upper section is for the Advanced Search Options which enable you to search within individual fields of the database such as Title or Creator Like an Internet search engine you do not have to type in the correct upper or lower case press the Enter key or even type the whole of the search term before matches from the Airtime
104. e visitors see when they browse port 8000 on your Icecast server The most obvious change to make in the XSLT pages is the content of the lt title gt and lt h2 gt tags to announce the name of your station You can also modify the style css file in this directory to change colour and layout options After saving the file with Ctrl O refresh your web browser and the new look should now be visible 135 Icecast rocks Mozilla Firefox File Edit View History Bookmarks Tools Help 9 Icecast rocks Administration Server Status Version Stream Title Stream Description Content Type 136 4 e INTERFACE LOCALIZATION AND GIT The Airtime administration interface can be localized using the standard GNUgettext method Using GitHub for this task means you don t have to tackle the whole of a localization yourself just as much as you can manage F Icecast Vorbis E als o E E A AS 5 AYAI 071 e XE AA 2471 o s First you should check if a localization is already under way for your locale of choice The best way to do this is to take a look at the master branch in the GitHub repository for Airtime at https github com sourcefabric Airtime tree master You can also ask in the Airtime development forum at http forum sourcefabric org categories airtime development where
105. ed there will be an additional option on the pop up menu Upload to SoundCloud As mentioned previously you should only upload audio files to SoundCloud with the permission of the copyright holder 0 16 12 15 00 47 ADDING CONTENT TO A RUNNING SHOW After you have found the items that you want using the search tools you can then drag and drop them from the library table on the left side of the page into the shows on the right side including the current playing show If the current show has nothing playing out at the time the new item will begin playing immediately This manual triggering of playout can be used as a live assist technique in which the Airtime server s soundcard output is mixed with other sources such as microphones or telephone hybrids on its way to a transmitter or a separate stream encoder For instance a live show s host may not wish to cut off a studio discussion in order to play music at a fixed time NOW PLAYING ADD MEDIA LIBRARY CALENDAR SYSTEM Advanced Search Options sed Select Add to selected show Show hide columns Beautiful Way Beck Midnite Vultures Broken Train Beck Midnite Vultures O 4 Debra Beck Midnite Vultures O 4 Get Real Paid O 4 Hollywood Freaks istaec ie 04 Milk amp Honey Beck Midnite Vultures O 1440 Mixed Bizness Beck Midnite Vultures O 4 Pressure Zone Beck Midnite Vultures You can also select mult
106. efabric repository deb http apt sourcefabric org precise main substituting precise if appropriate Make sure you have enabled the multiverse repository for MP3 encoding support deb http archive ubuntu com ubuntu precise multiverse For Debian wheezy or squeeze servers use the Sourcefabric repository deb http apt sourcefabric org wheezy main If using Debian squeeze also enable the backports repository for MP3 encoding support deb http backports debian org debian backports squeeze backports main 2 Install the Sourcefabric package signing key then update again sudo apt get update sudo apt get install sourcefabric keyring sudo apt get update 3 Install the database management system for a single server configuration sudo apt get install postgresql 4 Install the streaming media server optional it may be remote sudo apt get install icecast2 5 Remove PulseAudio if installed sudo apt get purge pulseaudio 6 Install Airtime sudo apt get install airtime Refer to the Configuration chapter for configuration options Now you should be able to log in to the Airtime administration interface as shown in the Getting started chapter 151 47 HD AUDIO MODELS This listing is provided to help ensure that the correct model parameter is passed to the ALSA kernel module for an Intel HDA soundcard if one is fitted to your Airtime server See the chapter Preparing the server in this book for more details Model nam
107. en Icecast is installed on a server in a data center with greater bandwidth available than an Airtime server located at your broadcast studio has This separation may become necessary if your stream becomes popular because each additional listener which connects to the Icecast stream uses additional bandwidth In this case you do not need to install the icecast2 package on the same server as Airtime Before running Icecast on a remote server for the first time you should change the default lt Source password gt relay password and admin password values from hackme to something more secure more recent GNU Linux distributions such as Ubuntu 12 04 Precise Pangolin or later you may be prompted for these settings during the installation of Icecast If not you can edit the Icecast configuration manually with the command sudo nano etc icecast2 icecast xml 95 GNU nano z change from the default 64k Applies to all mountpoints gt lt burst s1z7e gt 65535 lt burst size gt e limits authentication lt Sources log in with username source gt source password hackmeB source password lt Relays log in username relay gt lt reLay password hackme lt reLay password gt lt Admin logs in with the username given below gt adm n usersadmine admn user admi n password hackme admin password lt authentication gt lt set the mountpoint for a shoutcast source to use the default
108. ent localhost disconnected 2012 11 14 15 47 20 server 3 New client localhost 2012 11 14 15 47 20 lang 3 dynamic source get id 2012 11 14 15 47 20 server 3 Client localhost disconnected 2012 11 14 16 17 20 server 3 New client localhost 2012 11 14 16 17 20 server 3 Client localhost disconnected 2012 11 14 16 17 20 server 3 New client localhost 2012 11 14 16 17 20 lang 3 dynamic source get id 2012 11 14 16 17 20 server 3 Client localhost disconnected Press the Ctrl C keys to interrupt the real time log output and return to the server console 112 3 e BACKING UP THE SERVER The following shell commands can be used for database backup and restore on a runningPostgreSQL server in an Airtime system You can dump the entire database to a zipped file with the combination of thepg dumpall command and gzip The pg dumpall command is executed as the user postgres by using the sudo command and the u switch It is separated from the gzip command with the pipe symbol sudo u postgres pg dumpall gzip c airtime backup gz This command can be automated to run on a regular basis using the standardcron tool on your server When restoring a production database on a cleanly installed Airtime system it may be necessary to drop the empty database that was created during the new installation by using the dropdb command Again this command is executed with sudo as the user postgres sudo u postgres dropdb airtime
109. es from your Airtime library The Manage Media Folders page will now display the new storage location 30 Choose folder Choose folder The storage folder cannot be changed while a file import is in progress If you attempt to do this an error message will be displayed Ihome daniel Music Choose folder WATCHING A FOLDER Under Watched Folders click the lower choose folder button open the folder you require and then click theAdd button You can add as many watched folders as you require Choose folder Choose folder x To remove a watched folder click the smallx on the right side of its row in the list Again you will be asked to confirm if you are sure about the action Are you sure you want to remove the watched folder 3l 9 STREAM SETTINGS You can configure direct Icecast and SHOUT cast streams and sound card output by clicking Streams the System menu At the top left of the Stream Settings page are global settings including Hardware Audio Output which enables playout from the default sound card on the server if one is fitted The default Output Type of ALSA on the drop down menu will be suitable for most servers with a sound card If not you have the option to choose from other Liquidsoap interfaces available such as OSS or PortAudio The second checkbox under Global Settings enables the sending of Icecast Vorbis Metadata with direct streams This setting is optional because some media p
110. es in the territories that you are broadcasting to You can begin creating a custom template by clicking the button New Log Sheet Template or the button New File Summary Template Mew Log Sheet Template 2 Mew File Summary Template Either of these actions opens a page in which you can name the new template and add or remove elements from the list on the left To add a new element from the list on the right click the plus icon for the item you require If the element you require is not listed you can use the Add New Field box at the lower end of the right side column Select string boolean integer or float depending on the type of data that you wish to log and then click the Add button Log Sheet 2013 10 14 16 37 33 Template set Default Template When the template is in the format you require click theSave button and Set Default Template if you wish The new template will now be listed on the History Templates page If you have set a new default template any changes will be visible on the tabs of the Playout History page 73 8 e LISTEN In the Master Panel beneath the ON AIR indicator you will find the LISTEN button Rock Show 14 20 15 20 CALENDAR SYSTEM This button opens a pop up Live stream window which enables you to monitor the streams that have been configured previously in the Streams page on the System menu In the Live stream window a drop down menu enables you to switch between the stream
111. examples directory if you have installed the Debian Ubuntu package of Airtime The following code is for a small airtimeLivelnfo widget that displays information about the current show show time elapsed and show time remaining as well as some information about the next show start time and end time In this example the label text for onAirNow is translated into French for local language support script document ready function headerLiveHolder airtimeLivelInfo sourceDomain https schedule example com text onAirNow Sur Les Antennes offline Offline current Current next Next updatePeriod 20 seconds script The lt script gt element above would typically be added to the page s lt head gt element You would then add a lt div gt element to the lt body gt element of the page to hold the widget such as div id headerLiveHolder style border 1px solid 999999 padding 10px gt lt div gt On the public website this widget can be made to look like the following screenshot SUR LES 5 gt gt Current Newslink 04 51 r 23 08 The CSS properties color and text transform uppercase have been used to style the on AirNow label There is a full example CSS file widgets css airtime widgets css in the Airtime installation tarball GitHub repository usr share doc airtime examples directory on Debian Ubuntu A variation on this widget displays the item
112. f coverage For a particular product received by a particular user normally used refers to a typical or common use of that class of product regardless of the status of the particular user or of the way in which the particular user actually uses or expects or is expected to use the product A product is a consumer product regardless of whether the product has substantial commercial industrial or non consumer uses unless such uses represent the only significant mode of use of the product Installation Information for a User Product means any methods procedures authorization keys or other information required to install and execute modified versions of a covered work in that User Product from a modified version of its Corresponding Source The information must suffice to ensure that the continued functioning of the modified object code is in no case prevented or interfered with solely because modification has been made If you convey an object code work under this section in or with or specifically for use in a User Product and the conveying occurs as part of a transaction in which the right of possession and use of the User Product is transferred to the recipient in perpetuity or for a fixed term regardless of how the transaction is characterized the Corresponding Source conveyed under this section must be accompanied by the Installation Information But this requirement does not apply if neither you nor any third party retains the ability t
113. h This main storage path is separate from the watched folders which are configured after installation in the Airtime administration interface See the chapter Media Folders for details of how to add watched folders Configuring airtime Specify the main storage path which Airtime will use ending with a slash You can also specify watched folders in the Airtime administration interface Airtime Storage Directory Finally you have the option to set a more secure password for Airtime s admin user than the default of admin You could change the password for the admin user later in the Airtime administration interface but this would mean that your installation would be insecure until you carried out that task Configuring airtime Specify a secure admin password for Airtime You can access the Airtime administration interface at http localhost to set up other user accounts upload media create playlists and schedule shows Airtime Admin Password On some GNU Linux distributions you may be warned about upgrading the rabbitmq server package even if you have never installed this package before If RabbitMQ is only being used by Airtime on your server it is safe to press the Enter key to continue 99 Configuring rabbitmq server Upgrading from 1 5 4 and below You are upgrading from a release prior to 1 6 0 When the RabbitMQ server detects the presence of an old database it moves it to a backup location creates a fresh em
114. h SSL or TLS Icecast statistics with Piwik Expert install HD Audio Models About this manual 142 143 146 151 152 156 INTRODUCTION WHAT IS AIRTIME 2 RIGHTS AND ROYALTIES e WHAT IS AIRTIME Updated for Airtime 2 5 1 Airtime is the open broadcast software for scheduling and remote station management Web browser access to the station s media library multi file upload and automatic metadata import features are coupled with a collaborative on line scheduling calendar and playlist management The scheduling calendar is managed through an easy to use interface and triggers playout with sub second precision Vv Airtime Mozilla Firefox Me fee ues oskmoeks o mee Help eis baie cam a i Amp Jimi Tener amp Tony Alen Darker Sie Nucl kempe Show 1100 1 ON 11 56 21 T amma t ami 2923915 75 LEJ mir 124 E Fiber by how Bap ien pu wap Aw R Pep uH Ashay Berie bformatinn 2 ETT i 7 r vana SELT Beajful Way _ Hook oen dani d eme pae ki BODGALOO Tha paret T wall fim Tenor amp Tony Alan LET aqua RETE RUM JD Grist Brice Trig Walk Ari Teer amp Tony Aber Daia Supe CY Jim Torr amp Tony Alias AA amt Voku tae Ami Tenor amp Tony Alber Dara E ngiana fmi am
115. he Settings window of the app set the recording format as Ogg Vorbis 44 1 KHz sample rate mono Disable automatic gain control to get a consistent recording level rather than artificially boosting quiet sounds which should result in less distortion Under Limit folders browsing give the app access to all of the SD Card storage of the phone Back in the main recording window of RecForge create a directory such as recordings under the mnt sdcard media audio path which is normally used by the phone s music application You can then make recordings using the big red button watching the input level meter to ensure a good signal to noise ratio The recorded files are automatically named with date and time stamps but can be renamed in the app later by selecting the Edit feature The latest recordings are listed in the main recording window individual files can be auditioned by tapping on them Open the web interface of your station s Airtime server in the phone s browser log in with your username and password and tap Add Media on Airtime s main menu After tapping the Add Files button the phone will offer a choice of file to upload By tappingSelect music track you can browse the mnt sdcard media audio directory on the SD card filesystem without requiring the installation of a file manager app on the phone Gallery Select music track 7 Sound Recorder Tap one of the date and time stamped files listed from the recordings dire
116. he aggregate 6 Conveying Non Source Forms You may convey a covered work in object code form under the terms of sections 4 and 5 provided that you also convey the machine readable Corresponding Source under the terms of this License in one of these ways e a Convey the object code in or embodied in a physical product including a physical distribution medium accompanied by the Corresponding Source fixed on a durable physical medium customarily used for software interchange e b Convey the object code or embodied in a physical product including a physical distribution medium accompanied by a written offer valid for at least three years and valid for as long as you offer spare parts or customer support for that product model to give anyone who possesses the object code either 1 a copy of the Corresponding Source for all the software in the product that is covered by this License on a durable physical medium customarily used for software interchange for a price no more than your reasonable cost of physically performing this conveying of source or 2 access to copy the Corresponding Source from a network server at no charge C Convey individual copies of the object code with a copy of the written offer to provide the Corresponding Source This alternative is allowed only occasionally and noncommercially and only if you received the object code with such an offer in accord with subsection 6b e d Convey the object code by
117. he right side Now Playing 7 You re on air Click the Listen button to hear available streams ON AIR LISTEN 16 43 01 4 GETTING STARTED If the Airtime server has a web browser installed you can access the administration interface directly on that server by opening the address http Llocalhost If you have set up Airtime so that it can be accessed from other computers you would use a domain name instead For example http airtime example com Airtime Pro users will have been given an airtime pro domain name when they signed up You can log in for the first time with the user name admin and the password set during installation Your browser should automatically focus on the Username field Airtime Mozilla Firefox File Edit View History Bookmarks Tools Help 7 Airtime airtime example com login Vikipe d Login admin m arm CIAN m Username anguat 0 Login If you enter the password incorrectly three times you will be presented with a reCAPTCHA challenge to prove that you are a human and not a password guessing robot This feature helps protect your Airtime installation against brute force attacks Username If activated you will see a link Reset password below the password field which enables users to obtain a password reminder by email See the chapter Preferences for configuration details U
118. howinfo js supplied with Airtime 2 5 0 or later where the value of the variable for days of the week includes fourteen rather than seven days var dow monday tuesday wednesday thursday friday saturday sunday nextmonday nexttuesday nextwednesday nextthursday nextfriday nextsaturday nextsunday In that case the labels for the days of the week could be configured as follows 133 dowText monday Monday tuesday Tuesday wednesday Wednesday thursday Thursday friday Friday saturday Saturday Sunday Sunday nextmonday Next Monday nexttuesday Next Tuesday nextwednesday Next Wednesday nextthursday Next Thursday nextfriday Next Friday nextsaturday Next Saturday nextsunday Next Sunday The value of sourceDomain in the code examples above should match the URL that you wish to serve schedule information to the public from If you have used the Caching schedule information method detailed above this would be the URL of your schedule server not the Airtime server directly 134 40 e INTERFACE CUSTOMIZATION The Airtime administration interface as a web application is fully customizable using the same methods that you might use to modify a website For instance you may wish to increase certain font sizes or change the colours in the Airtime interface to better suit staff users with impaired vision To do this open one of the CSS files in the OU
119. i Read File RJ Justify W9 Where Is Prev Page me Get Help we Writedut 3 Next Page ei Fxit Press Ctrl O to save the file then Ctrl X to exitnano Then restart Monit with sudo invoke rc d monit restart More information about using Monit is available at http mmonit com monit documentation 119 35 36 37 38 39 40 41 42 43 44 45 120 ADVANCED CONFIGURATION AUTOMATED FILE IMPORT ICECAST HANDOVER PROMOTING YOUR STATION STREAM PLAYER FOR YOUR WEBSITE EXPORTING THE SCHEDULE INTERFACE CUSTOMIZATION INTERFACE LOCALIZATION AND GIT HOST CONFIGURATION AIRTIME API AUTHENTICATION SECURE LOGIN WITH SSL OR TLS ICECAST STATISTICS WITH PIWIK 35 AUTOMATED FILE IMPORT The airtime import script can be combined with the standard SFTP secure FTP program and cron daemon on a GNU Linux server to enable automated file import from multiple remote computers This could save time for your station staff when using distributed production methods or content syndication Traditional FTP servers use plain text passwords without encryption and are therefore not recommended for upload accounts on Airtime servers accessible from the public Internet SFTP is a cross platform protocol which works with many desktop programs including gFTP for GNU Linux http www gftp org This program can be installed on Debian or Ubuntu desktop computers with the command sudo apt get install gftp Other popular SFTP
120. ia http in future you should be redirected to https automatically IMPORTING A SELF SIGNED CERTIFICATE INTO THE BROWSER The first time you access an Airtime server with a self signed certificate over https your browser will block the login page and display a security warning In Mozilla Firefox you can click Technical Details to confirm that the warning is due to the certificate being self signed before clicking the Add Exception button In Google Chrome the button to click on the security warning page is Proceed Anyway A Untrusted Connection https airtime example com P Iv Google This Connection is Untrusted You have asked Firefox to connect securely to airtime example com b that your connection is secure Normally when you try to connect securely sites will present trusted id that you are going to the right place However this site s identity can t E What Should Do If you usually connect to this site without problems this error could mea trying to impersonate the site and you shouldn t continue Get me out of here Technical Details airtime example com uses an invalid security certificate The certificate is not trusted because it is self signed Error code sec error ca cert invalid Understand the Risks If you understand what s going on you can tell Firefox to start trusting th identification Even if you trust the site this error could mean tha tampering with your co
121. if specified is stream but you can change it here if an alternativ wanted or an extension is required WriteOut Wig Read File Prev Cut Text MS Cur Pos Justify where Is wi Next Paget Uncut To Spell You should also set the value of hostname to the domain name of the Icecast server for example lt hostname gt icecast exampLle com lt hostname gt This step ensures that stream URLs are generated correctly by the Icecast server Save and close the cecast xml file with Ctrl O and Ctrl X Then check the Icecast server is set to start automatically when the server boots in the etc default icecast2 file sudo nano etc default icecast2 The value of ENABLE should be set to true on the last line of that file ENABLE t rue Save and close this file with Ctrl O and Ctrl X then start Icecast sudo service icecast2 start The server should respond Starting icecast2 Starting icecast2 Detaching from the console icecast2 INSTALL AIRTIME You can now install the Airtime package with sudo apt get install airtime This command will install all of the Airtime components plus any other packages that Airtime requires in order to run Reading package lists Done Building dependency tree Reading state information Done Suggested packages airtime audio samples The following NEW packages will be installed airtime 0 upgraded 1 newly installed 0 to remove and 2 not upgraded Need to get 8 44
122. ilabl If you want to keep the alerts for a later delivery retry you can use EVENTQUEUE statement The base directory where undelivered alerts will stored is specified by the BASEDIR option You can limit the maximal qu size using the SLOTS option if omitted the queue is limited by space available in the back end filesystem a Read File mi a Where Is ae Writedut om Justify ae Get Help M Exit Further down the configuration file you can set the From and addresses for the alert emails using the set mail format set alert parameters Then uncomment these lines for the parameters to be read by Monit GNU nano 2 2 2 File f etc monit monitre are expanded at runtime For example to override the sender set mail format from monit foo bar You can set alert recipients here whom will receive alerts if when a service defined in this file has errors Alerts may be restricted on events by using a filter as in the second example below set alert sysadm foo bar recelve all alerts set alert manager foo bar only on 4 timeout receive just service timeout alert cH Monit has an embedded web server which can be used to view status of services monitored the current configuration actual services paramete and manage services from a web interface set httpd port 2812 and as Cut Text Cur Po UnCut Text To Spe E
123. ion of items based on any tag metadata stored in the Airtime database whether that metadata column is currently displayed in the table or not For example to search for all items between four and five minutes duration enter 00 04 into the simple search field for 00 hours and 04 minutes 46 Au rh Shaw hide columns Darker Side Of Night Jimi Tenor amp Tony Allen Inspiration Information If your jingles are tagged with Jingle in the Genre or other fields you can very easily find them by entering ingle into the simple search field The same technique can be used to find advertising and promotional files See the chapter Preparing media for ingest for tips on batch tagging files with metadata Unlike advanced searches simple searches use or logic for multiple search terms so a simple search for Jingle ident will return items matching either keyword Clicking on an item in the library table opens a pop up menu which enables you to audition the item or remove it from the Airtime library Media types which cannot be auditioned directly in a web browser such as FLAC have a lock icon instead of a loudspeaker icon but these files can be downloaded to your local computer for audition instead The Delete option should be used with caution because this action cannot be undone For media files you can also Edit Metadata stored for the file using this menu If the Enable SoundCloud Upload box on the Preferences page is check
124. iple items using the Select menu button just beneath the simple search field which has the options to Select this page of search results Deselect this page and Deselect all Alternatively use the checkboxes on the left side of the library table to select specific items Then drag one of the items into the show to add all of the selected items or click the Add to selected show button which has a plus icon If you wish you can also use the Trashcan button to permanently remove items from Airtime s library Only admin users have permission to delete all items To insert checkbox selected items at a specific time in the show schedule click one of the grey and white triangle icons on the left side of the schedule table which will change to red and white A red horizontal line will be shown at the insertion point Then click the Add to selected show button in the library table To add a single item at the insertion point double click on it in the library There is no need to select or drag the item first e Find Shows Show hide columns 2012 10 16 1125 12 00 O llj 11 25 00 11 28 03 3 03 0 1 Still Do Am Kloot Sky at Night n Love And Strut Sampler 4 11 28 03 11 34 58 6 55 2 Death Ebo Taylor Another way to create insertion point is to click an item in the show table then clickSelect cursor on the small pop up menu that will appear This pop up menu also enables you to audition th
125. is License would be to refrain entirely from conveying the Program 3 Use with the GNU Affero General Public License Notwithstanding any other provision of this License you have permission to link or combine any covered work with a work licensed under version 3 of the GNU Affero General Public License into a single combined work and to convey the resulting work The terms of this License will continue to apply to the part which is the covered work but the special requirements of the GNU Affero General Public License section 13 concerning interaction through a network will apply to the combination as such 14 Revised Versions of this License The Free Software Foundation may publish revised and or new versions of the GNU General Public License from time to time Such new versions will be similar in spirit to the present version but may differ in detail to address new problems or concerns 161 Each version is given a distinguishing version number If the Program specifies that a certain numbered version of the GNU General Public License or any later version applies to it you have the option of following the terms and conditions either of that numbered version or of any later version published by the Free Software Foundation If the Program does not specify a version number of the GNU General Public License you may choose any version ever published by the Free Software Foundation If the Program specifies that a proxy can decide which f
126. is no longer sending audio data click the X icon to the left of the source name OUTPUT STREAM SETTINGS On the right side of the page you can configure up to three independent output streams with different bit rates or formats and send these streams to different Icecast or SHOUT cast servers By default only Stream is enabled with this stream being sent the Icecast server configured at installation time To configure another stream click the bar with the stream number to expand its box and make sure Enabled is checked Enter at least the streaming Server IP address or domain name and Port details The default port for Icecast and SHOUTcast servers is 8000 Click Additional Options to expand a box in which you can enter the usernames passwords and metadata to send to the streaming server The default Username for Icecast servers is Source and if this the name in use on your streaming server you can leave this field empty The Admin User and Admin Password settings are optional and are used to query the streaming server for audience numbers by the Listener Stats page on the System menu You can also set the specific Mount Point that listeners will connect to here Then click one of theSave buttons in the upper or lower right corner of the page to update the Airtime server s settings 34 peasedonoademe hip laiime sourcefabricorg Airtime supports output to Icecast Ogg Vorbis Ogg Opus
127. is password secret is essential for the smooth running of your station because it enables access to all scheduling and management features You can also enter other details for the admin user account on this page including full name and contact details Then click the Save button 26 Station Manager manager example com 1310222555 broadcaster1000 manager example com TUM ADDING USER ACCOUNTS To add further user accounts to the system one for each of your station staff that need access to Airtime click theNew User button with the plus icon Enter a user name password and contact details and then select the User Type from the drop down menu which can be Admin Program Manager DJ or Guest The difference between these user types is e An Admin station manager has read and write access to all the features of Airtime This role should be reserved for trusted staff members only If you give the Admin role to too many people there could be arguments at the station e A Program Manager has write access to the entire broadcast schedule but cannot see theSystem menu and therefore cannot adjust Airtime preferences manage user accounts change media folder or stream settings check the server status or see the Listener Stats A Program Manager can view the History menu and the Playout History page but cannot edit History Templates A DJ presenter only has write access to features related to the specific shows
128. it is available in the chapter Using Monit 9 On Debian squeeze make sure the rabbitmq server daemon has started sudo invoke rc d rabbitmq server start 10 Finally run the minimal airtime install script sudo airtime 2 5 1 install minimal airtime install Once the airtime check system script confirms that the install has been successful you should now be able to log in to the Airtime administration interface as shown in the Getting started chapter with the username admin and the password admin See the Configuration chapter for advanced settings INSTALL SCRIPT OPTIONS By default the airtime install script preserves any existing configuration or installation that it finds on the server However it is also possible to dictate the behaviour of the script with a command line option as follows help h Displays usage information Overwrite existing config files preserve p Keep any existing config files no db n Turn off database install reinstall r Force a fresh install of this Airtime version MANUAL UNINSTALL To manually uninstall Airtime from the server run the airtime uninstall script from the minimal installation directory for example sudo airtime 2 5 1 install minimal airtime uninstall Optionally you can also delete the Airtime storage and configuration folders if you have backups and are not going to need the data on this particular server again The rm command sho
129. ived You must make sure that they too receive or can get the source code And you must show them these terms so they know their rights Developers that use the GNU GPL protect your rights with two steps 1 assert copyright on the software and 2 offer you this License giving you legal permission to copy distribute and or modify it For the developers and authors protection the GPL clearly explains that there is no warranty for this free software For both users and authors sake the GPL requires that modified versions be marked as changed so that their problems will not be attributed erroneously to authors of previous versions Some devices are designed to deny users access to install or run modified versions of the software inside them although the manufacturer can do so This is fundamentally incompatible with the aim of protecting users freedom to change the software The systematic pattern of such abuse occurs in the area of products for individuals to use which is precisely where it is most unacceptable Therefore we have designed this version of the GPL to prohibit the practice for those products If such problems arise substantially in other domains we stand ready to extend this provision to those domains in future versions of the GPL as needed to protect the freedom of users Finally every program is threatened constantly by software patents States should not allow patents to restrict development and use of software on gener
130. k org docs for more details of Piwik installation and configuration CONFIGURE PIWIK FOR GEOLOCATION By default Piwik uses browser language settings to guess the countries in which your station s audience is physically located In order to satisfy broadcast regulators and music royalty collection societies a more accurate method is required based on the location of individual IP addresses Edit the file etc php5 apache2 conf d 20 geoip ini to set the path to your Piwik installation extension geoip so geoip custom directory usr share piwik misc Then restart the web server for the change to take effect sudo invoke rc d apache2 restart 2 Download GeoLite data from MaxMind s website http dev maxmind com geoip legacy geolite under the Creative Commons Attribution ShareAlike 3 0 Unported License for example wget http geolite maxmind com download geoip database GeoLiteCity dat gz 2 Unzip and set permissions on the data file then move it to the MISC directory under the Piwik install directory and rename it to GeolPCity dat gunzip GeoLiteCity dat gz chmod 644 GeoLiteCity dat sudo mv GeoLiteCity dat usr share piwik misc GeoIPCity dat 4 In the Piwik web interface click Settings in the top right corner then Geolocation in the left side menu Change the setting from Default to GeolP PECL 5 Optionally configure Setup automatic updates of GeolP databases at the end of the Geolocation page IMPORTING AN ICECAST LO
131. ks Folder setting which enables you to stream static files from the storage of the device Depending on where you keep your audio files this could be a path such as mnt sdcard media audio To connect the Android device to the Airtime server tap the square button in the lower middle of the main interface The connection indicator on the button should turn blue and the message connected should be shown Push up the fader on the left to increase input level from the internal microphone or push up the fader on the right and tap one of the named files in the upper right window to stream it Tap either of the LOCK buttons to prevent the stream input level being changed accidentally When the connection is made Airtime output will fade from scheduled play to the stream from your mobile device See the chapter Stream settings for more details of connection preferences 21 THE SYSTEM MENU 6 PREFERENCES 7 USERS 8 MEDIA FOLDERS 9 STREAM SETTINGS 10 SUPPORT FEEDBACK 11 STATUS 12 LISTENER STATS 22 6 PREFERENCES On the System menu click Preferences to set your Station Name This text is shown in your web browser s title bar when your station staff are logged into Airtime and optionally in stream metadata Initially the Default Fade In and Default Fade Out times for automated fades are set to half a second and theDefault Crossfade Duration is set to zero seconds Custom fade and crossfade times can be set for adjacent item
132. l or you want to protect the Airtime server from large numbers of schedule requests you may wish to cache the schedule information on a public facing or intermediate server You can then create a firewall rule that only allows the schedule server to connect to the Airtime server in addition to any remote users of the Airtime web interface Your system administrator can set up schedule caching on a standard Apache and PHP enabled web server with thecurl program installed using the following steps Create a shell script on the schedule server schedule example com that polls the remote Airtime server airtime example com and writes the metadata returned into a pair of local temporary files sudo nano usr local bin airtime schedule sh The content of this file should be like the following script replacing airtime example com with the name of your Airtime server bin sh curl s https airtime example com api live info callback gt tmp live info curl s https airtime exampLle com api week info callback gt tmp week info 2 Make the script executable sudo chmod x usr local bin airtime schedule sh 3 Create an Apache VirtualHost configuration for the schedule server sudo nano etc apache2 sites available schedule containing a definition like the following replacing schedule example com with the name of your schedule server lt VirtualHost 80 gt ServerName schedule example com DocumentRoot var www schedul
133. l often be known to you personally it is feasible to use a self signed certificate for this purpose Alternatively you can pay a Certificate Authority to sign the certificate for you Airtime Pro servers are pre configured with a certificate signed by a Certificate Authority which is automatically recognised by all popular browsers DEPLOYING A SELF SIGNED CERTIFICATE The Debian Ubuntu package ss cert creates a Snakeoil certificate key based on your server s hostname This gratis certificate and key pair created under the etc ssl certs and etc ssl private directories will not be recognised by users browsers without manual intervention You can install the ss cert package with the command sudo apt get install ssl cert You should enable additional Apache modules for page redirections custom headers and secure access sudo a2enmod alias headers ssl Next edit the virtual host configuration for your Airtime server to include a stanza for the https interface on port 443 and a redirect for logins from port 80 sudo nano etc apache2 sites available airtime vhost conf Using the following configuration as a guide replace airtime example com with the name of your server and admin example com with your email address The SSLv2 protocol should be disabled as it is generally believed to be insecure You may wish to create a ServerAlias for users to access the administration interface over https if required On port 80 Apache s
134. layers have a bug which makes them disconnect from Ogg Vorbis streams when an lcecast server notifies the player that a new track is starting The Stream Label radio button allows you to set the metadata that will be sent with direct streams Artist and Title Show Artist and Title or Station name and Show name NOW PLAYING ADD MEDIA LIBRARY CALENDAR SYSTEM stream Settings Global Settings Hardware Audio Output Output Type ALSA hd Icecast Vorbis Metadata Stream Label Artist Title Show Artist Title Station name Show name om Ar Metadata Enable Replay Gain Replay Gain Modifier dB 3 The Off Air Metadata field configures the text that will be sent to any configured streaming servers and from there on to media players when Airtime is not streaming any output Below this is the Enable Replay Gain checkbox which if checked automatically adjusts Airtime s output level to an average of 4dBFS based on prior analysis of the level of individual files in the Library This feature helps guard against unwanted changes in Airtime s output level caused by the typical variation in average level of recordings made in different studios at different times The correction value for each file can be viewed by enabling the ReplayGain column in the Library If Replay Gain is enabled output level can be adjusted up to 1088 louder or quieter from the
135. ld respond Restarting Airtime Playout Done The status option for airtime playout and airtime media monitor runs the airtime check system script to confirm that all of Airtime s dependencies are installed and running correctly LOG FILES Airtime stores log files under the directory path var log airtime which can be useful for diagnosing the cause of any problems Copies of these log files may be requested by Sourcefabric engineers while they are providing technical support for your Airtime deployment See the chapter The airtime log command for more details TEST TONES Liquidsoap output can be tested using two commands provided by Airtime Theairtime test soundcard command enables you to send a test tone to the default sound card on the system so you can check that your audio equipment is working Press Ctrl C on your keyboard to stop the tone airtime test soundcard v o alsa ao oss portaudio pulseaudio h Where v verbose mode O Linux Sound API default alsa h show help menu The airtime test stream command enables you to send a test tone to a local or remote streaming media server PressCtrl C on your keyboard to stop the tone being streamed airtime test stream v o icecast shoutcast H hostname P port u username p password m mount h Where verbose mode o stream server type default icecast H hostname default localhost P port default 8000 u user default sou
136. library are displayed 44 NOW PLAYING ADD MEDIA LIBRARY CALENDAR Advanced Search Options Title Creator hs a a Toe c Uploaded El Eis At the bottom of the library table click the First Previous Next Last or individual page number buttons to browse the search results Right clicking an item in the search results will display the available metadata for that item in a pop up window NOW PLAYING ADD MEDIA LIBRARY CALENDAR Advanced Search Options Title Darker Side Of Night Creator Title Darker Side Of Might Creator Jimi Tenor amp Tony Allen Album Album Inspiration Information Track 5 Length 6 56 7 tate 44 1 kHz 128 Kbps Darker Side Of Night Composer Conductor Copyright Isrc Number Website Language File Path Isrvfairtime stor imported 1 Jimi Tenor amp Tony Allen Inspiration Information 05 Darker Side O1 Night 128kbps mp3 The columns displayed in the search results correspond to the fields available for advanced searches except forScheduled and Playlist Block which indicate if a particular item is in use To change the fields which can be searched click theShow hide columns button on the right side of the table just above the search results i Title 2 Creator I Album Click the metadata column headings such as Title Creator Album or Genre to sort the entrie
137. lic Internet you may need to click the Override link to set a Connection URL which is available from outside your local area network This URL might be based on the domain name assigned to the router which forwards the appropriate port to your Airtime server Then click OK to save the new connection URL SWITCHING INPUT STREAMS In the Master Panel available input source streams are shown with an orange line connecting the source to the switch which you could think of like a patch cable connecting a source to a broadcast mixer When that switch is active another orange line connects the switch to the On Air indicator like a patch cable connecting a mixer to a transmitter Station time dw BST If you have checked the Auto Switch On box in the Stream Settings page the Master Source switch will move automatically to the active position on the left when an authenticated master source connects to Airtime Otherwise you can activate the switches manually by clicking the left side of each switch or deactivate them by clicking the right side The switches do not have to be dragged with the mouse in the way that a switch on a hardware mixer would be pushed sideways Show Source live input streams and Scheduled Play can be manually activated or deactivated in the same way Station time ON AIR 16 07 41 BS LISTEN 33 To force disconnection of a live remote source for example when the remote input source has crashed and
138. lick any item you wish to remove from the show then click Delete on the pop up menu or check the box in the item s row then click the Trashcan icon at the top of the table To remove all files and playlists from a show click on the show in the Calendar and select Remove All Content from the pop up menu DELETING A FORTHCOMING SHOW To delete one forthcoming instance of a repeating show click on the show in theCalendar and select Delete then Delete This Instance from the pop up menu If you wish to delete all future instances of a repeating show selectDelete This Instance and All Following from the pop up menu You cannot delete or remove content from shows that have already played out These shows have only one option on the pop up menu which is Show Content CANCELLING PLAYOUT If you wish to cancel playout of a show while it is running click on the show in theCalendar and select Cancel Current Show from the pop up menu Airtime will ask you if you are sure about this action as it cannot be undone Cancel Current Show 70 1 e HISTORY On the History menu the Playout History page enables you to view a list of files played within a specific date and time range This page is designed to help your station prepare reports for music royalty collection societies and regulatory agencies Search results can be copied to the clipboard using theCopy button exported as data in CSV format comma separated values exported as a docu
139. mat in Piwik version 2 0 or later For your convenience packages of Piwik for Debian and Ubuntu are provided in the http apt sourcefabric org repository If you have already configured your Airtime server for this repository you can install the piwik package and its dependencies with the command sudo apt get install piwik php5 geoip php5 cli mysql server For security reasons you should set a strong root password for the MySQL server If you have not set a MySQL root password already you should be promoted to do this during the installation of the mysql server package DATABASE AND WEB SERVER CONFIGURATION Piwik uses a MySQL database which must be created manually before you can use the Piwik web interface Log into the database management system with the root password that you set for the MySQL server mysql uroot p Enter password The server should respond with Welcome to the MySQL monitor Commands end with or Mg Type help or h for help Type c to clear the current input statement mysql 2 At the mysql command prompt create a database named P Wik with the command CREATE DATABASE 40100 DEFAULT CHARACTER SET utf8 3 Create a MySQL user and a strong password with access to the database previously created CREATE USER piwik localhost IDENTIFIED BY my strong password GRANT ALL PRIVILEGES ON piwik to piwik localhost GRANT FILE ON piwik localhost QUIT 4 Create a virt
140. may also wish to send details of your station to Sourcefabric so that your station has the opportunity to be promoted with other Airtime users on the http www sourcefabric org website This feature also helps Sourcefabric target its support services to the countries where they are needed most Check the box Promote my station on Sourcefabric org and fill in the details of your station You can upload a station logo file of up to 600 x 600 pixels from your desktop computer by clicking the Browse button ADD MEDIA LIBRARY i SYSTEM HELP contact sourcefabric org http www sourcefabric org en airtime Click on the Show me what am sending link to expand a box which displays the technical data being returned to Sourcefabric The data is collected according to the Sourcefabric privacy policy http www sourcefabric org en about policy which you are required to agree to before you can submit the information If you have already checked the box to indicate your acceptance of the privacy policy a link to the policy will be displayed instead 37 e STATUS On the System menu the Status page provides an overview of the health and resource usage of the various services that make up an Airtime system If all is well you will only see green check mark icons in the Status column This page also shows how much Disk Space you have used on the disk partition containing the main Import folder as well as any disks or partitions with watched fol
141. me or directory path structure which can be converted into ID3 tag automatically Against The Wall and 8 more Ex Falso Arcade F gt Fl Beck P E Am Klog 01 Against The Wall mp3 Jimi Tenor amp Tony Allen v B Jimi Teno 02 Sinuhe mp3 Jimi Tenor amp Tony Allen 03 Selfish Gene mp3 Jimi Tenor amp Tony Allen 04 Path To Wisdom mp3 Jimi Tenor amp Tony Allen 05 Darker Side Of Night mp3 Jimi Tenor amp Tony Allen 06 Mama England mp3 Jimi Tenor amp Tony Allen 07 Got My Egusi mp3 Jimi Tenor amp Tony Allen 08 Cella s Walk mp3 Jimi Tenor amp Tony Allen 09 Three continents mp3 Jimi Tenor amp Tony Allen 02 Sinuhe mp3 lj 03 Selfish Gene mp Bi 04 Path To Wisdom Bi 05 Darker Side Of Bi 06 Mama England r 07 Got My Egusi m 08 Cella s Walk mp 7 Title case tags 09 Three continent O Split into multiple values s replace existing ones METADATA IN LEGACY CHARACTER SETS EE 1lL ra gt Replace underscores with spaces Airtime expects file tag metadata to be stored in the international UTF 8 character set Programs such as Ex Falso described above encode metadata in UTF 8 by default If you have an archive of files encoded with metadata in a legacy character set such as the Cyrillic encoding Windows 1251 you should convert these files before import 107 The program mid3iconv part of the python mutagen package in Debian and Ubuntu can be used t
142. ment in PDF format or displayed in a printer friendly format using thePrint button Your web browser must have an Adobe Flash plugin installed for these buttons to appear Press the Esc key to return to the Airtime interface once the print job is complete This page has three tabs Log Sheet File Summary and Show Summary On any of these tabs you can select a date and time range by clicking the calendar and clock icons in the upper left corner of the page Then click the search button which has a magnifying glass icon to the right A list of files played during that date and time range will appear further down the page In the Log Sheet tab the playout history is sorted by Start Time and End Time by default File Summary show Summary Entry ahh Plutonius 2013 10 14 15 15 00 2013 10 14 15 19 57 Recloose Dennis Coffey Re dub Space Traveller Nick Speed remix The number of times each file was played and the length of the files are shown in the File Summary tab To make optimal use of this feature for royalty reporting purposes music files must be tagged with Composer and Copyright metadata The artist performing a piece of music may not be the original composer of the work or the copyright holder of the sound recording 2013 10 14 2013 10 14 Log Sheet File Summary Show Summary On the Show Summary tab click the name of a show within the search range to expand its row and
143. mple code for this chapter from http sourcefabric booktype pro airtime 25 for broadcasters help static jPlayer_demo4 zip Unzip this file on your computer and then open the file jplayer demo htm l in your editor nano jplayer demo html We ll focus on the two areas that you need to concern yourself with Firstly in the head tag of the document you ll see some code like this jquery jplayer 1 jPlayer ready function event this jPlayer setMedia oga http sourcefabric out airtime pro 8000 sourcefabric a oe swfPath js supplied oga wmode window smoothPlayBar true keyEnabled true This code loads jPlayer and specifies the source of an Ogg Vorbis stream When testing on your own server you should change this setting to the IP address or domain name port number and mount point of the Icecast server you are using like so oga http streaming example com 8000 airtime 128 If your stream is in MP3 format you will need to prefix the stream setting with mp3 like this mp3 http streaming example com 8000 airtime 128 and change the supplied line from supplied to supplied mp3 As soon as jPlayer has finished loading it will automatically begin to play the stream The parameters ready ended swfPath and Supplied are arguments passed to jPlayer A full list of constructor arguments is available in thejPlayer Developer Guide at http www jplayer org latest developer guide
144. ndar which will appear Click on the adjacent time field to set the start time for the show with the pop up Hour and Minute box The Minute values in the pop up time boxes are rounded to the nearest five minutes You can also adjust the times manually by clicking into the fields and typing Repeat the process to set the Date Time End fields The Duration of the show will be displayed automatically based on the start and end times you have set By default the Timezone of the show start and end times will be the timezone of the station as set on the Preferences page on the System menu You can specify an alternative time zone using the drop down menu if you wish The time zone displayed in the Calendar when you log in depends on your personal settings See Updating your own account in the chapter Users for more details NOW PLAYING ADD MEDIA LIBRARY CALENDAR SYSTEM HISTORY Addthis show Airtime will only allow you to enter valid times for shows If you attempt to schedule show times which would be impossible by ending the show before it begins Airtime will highlight the error with a pink background 64 2013 10 09 13 00 To schedule a regular show check the Repeats box which will make a new section of the dialog appear Optionally click the Link box to automatically schedule the same content in the repeated shows as in the original show 2013 10 09 E 00 00 5 2013 10 09 FF 01 00 Eu
145. nderneath this indicator is a Listen button which opens a pop up player that can be used to audition the available playout streams There is also a clock indicating the Station time and time zone Beneath the clock and just to the left the name of the user currently logged in is displayed and there is the link for you to Logout Ume ON AIR 16 43 0 Scheduled Play E JTC admin Logout Airtime 7 Clicking the username link opens page in which you can update your Airtime password contact details language and time zone preferences Click the Save button once you have made the changes that you require NOW PLAYING ADD MEDIA LIBRARY CALENDAR SYSTEM admin s Settings 1310222555 broadcaster1000 On the right of the Logout link clicking the green check mark opens a pop up window with information about the version of Airtime installed If your Airtime installation is not the latest version available the green check mark changes to a green upgrade arrow Should your Airtime installation get too far out of date this arrow will change to a red exclamation mark Station time ON AIR 15 54 10 LISTEN BST admin Logout 2 9 0 You are running the latest version CHECKING AN ICECAST SERVER If you have installed an Icecast streaming media server you can check that Icecast is running by opening its default server port of 8000 in your web browser For example on the server itself yo
146. nel to switch between streaming formats Conversely you may have a music station which wants to stream at l60kbps or 192kbps to offer a quality advantage over stations streaming at 128kbps or less Since Ogg AAC and MP3 formats use lossy compression listeners will only hear the benefit of higher streaming bitrates if the media files in the Airtime storage server are encoded at an equivalent bitrate or higher UTF 8 METADATA IN ICECAST MP3 STREAMS When sending metadata about your stream to an Icecast server in non Latin alphabets you may find that Icecast does not display the characters correctly for an MP3 stream even though they are displayed correctly for an Ogg Vorbis stream In the following screenshot Russian characters are being displayed incorrectly in the Current Song field for the MP3 stream 84 Mount Point airtime mp3 Stream Title airtime mp3 Stream Description Airtime Radio Content Type audio mpeg Mount started sun 18 Sep 2011 18 59 23 0400 Bitrate 128 Current Listeners Peak Listeners 0 Stream Genre genre Stream URL http airtime sourcefabric org Current Song D PUP D NDWND1 ND D D3D34D2D34N Anthrax I m Mount Point airtime ogg Stream Title airtime ogg Stream Description Airtime Radio Content Type application ogg Mount started Sun 18 Sep 2011 18 59 23 0400 Quality 0 3 Current Listeners 0 Peak Listeners 0 Stream Genre genre Stream URL http airtime sourcefabric
147. ng the Mutagen library 3 A PostgreSQL database contains the location of those media files and their metadata This means you can search for and playlist a set of media files according to the specific metadata that you require or use smart block to select the files for you The database also contains details of specified remote input streams 4 Pypo the Python Playout engine downloads media from the storage up to 24 hours ahead of playout and checks it for average level with ReplayGain tools and leading or trailing silence with Silan At playout time the media to be broadcast is sent to Liquidsoap 5 Liquidsoap takes individual media files and remote input streams and assembles them into a continuous output stream This stream can be sent to a sound card e g for a broadcast mixer on the way to an FM or DAB transmitter or to a streaming server for IP network distribution over the LAN local WiFi or the Internet You can stream to a sound card and up to three different stream distribution servers with the same Airtime server if you wish 6 Icecast http www icecast org is the default stream distribution server and there is also support for SHOUT cast http www shoutcast com but in theory you could stream from Liquidsoap to any online service If a suitable Liquidsoap output is not available for your streaming service of choice you can send audio from Liquidsoap to a separate encoding or streaming machine via a sound card
148. ngles and voice tracks can be added before after or between music items 54 New My Playlist View edit description pty playlist You can also select or deselect a whole page of search results using theSelect button just below the simple search field Alternatively use the checkboxes in the first column of the search results table to select individual items then click the Add to current playlist button Items that you own which you no longer require can be deleted from Airtime s library using theTrashcan button NOW PLAYING ADD MEDIA LIBRARY CALENDAR SYSTEM amewa dm Tour Toy Alen reponit yen etse Hse Arey rupem na After adding files to the playlist the total playlist time is displayed in the top right corner The duration of an individual file is shown in each row of the playlist in a white font and beneath this figure the time since the beginning of the playlist is displayed in a smaller light grey font This elapsed time figure can be used as a time check for voice tracks although this option may limit the re usability of the voice track To audition a playlist file in your web browser click the white trianglepreview button on the left side of its row If the format of the file is not supported by your browser the triangle in this button will be greyed out If preview of the file format is supported a pop up audition window will open with the playlist starting at the file you clicked
149. nnection Don t add an exception unless you know there s a good reason why this trusted identification Add Exception On the next page in Firefox click the Get Certificate button to inspect the details of the self signed certificate If all is well click the Confirm Security Exception button You should now be able to proceed to the https login page 144 Add Security Exception You are about to override how Firefox identifies this site Legitimate banks stores and other public sites will not ask you to do this Server Location https airtime example com Get Certificate Certificate Status This site attempts to identify itself with invalid information Unknown Identity View Certificate is not trusted because it hasn t been verified by recognized authority using a secure signature Permanently store this exception Confirm Security Exception Cancel Whether your certificate is self signed or not you will see browser security warnings whenever a https page is delivering unencrypted content such as the stream from an lcecast server In Firefox an exclamation mark icon is displayed in the address bar of the Listen pop up B Live stream Mozilla Firefox 0 https airtime example com Dashboard stre AP v 145 45 e ICECAST STATISTICS WITH PIWIK Piwik http piwik org is an open source web analytics platform which supports lcecast s log for
150. notation and a USB sound card is often prevented from getting index zero by the GNU Linux distribution s configuration This setting may be in a file such as etc modprobe d alsa base conf in Ubuntu which can be edited with nano sudo nano etc modprobe d alsa base conf Comment out the lines beginning options snd usb to fix the problem Prevent abnormal drivers from grabbing index 0 options snd usb audio index 2 options snd usb us122l index 2 options snd usb usx2y index 2 options snd usb caiaq index 2 HHHH Save the file with Ctrl O and close nano with Ctrl X Then remove and re insert the cable connecting the USB sound card to the server making sure any mixer or amplifier connected is faded down to avoid a thump on the output The command aplay I should now confirm that the USB Audio device has index 0 shown as card 0 device 0 aplay l List of PLAYBACK Hardware Devices card 0 MobilePre MobilePre device 0 USB Audio USB Audio Subdevices 1 1 Subdevice 0 subdevice 0 When using a USB sound card with ALSA some how to documents advocate setting thenrpacks 1 option but this is not recommended for Airtime because it can increase CPU load significantly INTEL HDA MIXER LABELS If you have an Intel HDA sound card as built in to many contemporary motherboards you may discover that the recording controls in alsamixer have incorrect labels This problem can make it difficult to adjust mixer levels
151. ns in order to maintain security update support If the upgrade does not go smoothly it may cause significant downtime so you should always have a fallback system available during the upgrade to ensure broadcast continuity After upgrading a server from Ubuntu Lucid 10 04 LTS to Ubuntu Precise 12 04 LTS you may experience problems with Monit failing to start due to a change in the format of its configuration files If so a double equals sign can be changed to single equals in line 39 of letc init d monit so that it reads oie Also the file etc default monit should contain the line START yes instead of how it was configured in Ubuntu Lucid startup 1 This modification is sometimes necessary because during distribution upgrade it is normal to keep any locally modified configuration files 114 3 3 e TROUBLESHOOTING If your Airtime server is not working as expected individual components of the system can be started stopped restarted or checked in the server console using the invoke rc d command sudo invoke rc d airtime liquidsoap start stop restart status sudo invoke rc d airtime playout start stop restart status sudo invoke rc d airtime media monitor start stop restart status sudo invoke rc d apache2 start stop restart status sudo invoke rc d rabbitmq server start stop restart status For example to restart the Airtime playout engine you could enter the command sudo invoke rc d airtime playout restart The server shou
152. o batch convert the metadata character set of files on the command line You can install python mutagen with the command sudo apt get install python mutagen For example to preview the conversion of tags from Windows 1251 CP1251 character set to UTF 8 for a whole archive of files you could use the command find name mp3 printO xargs 0 mid3iconv CP1251 d p in the base directory of the archive The d option specifies that the new tag should be printed to the server console debug mode and the p option specifies a preview run This preview will enable you to confirm that the metadata is being read and converted correctly before writing the new tags To actually convert all of the tags and strip any legacy ID3vl tag present from each file at the same time you could use the command find name mp3 printO xargs 0 mid3iconv e CP1251 remove vl The name of the original character set follows the e option Other legacy character sets that mid3iconv can convert to UTF 8 include KOI8 R Russian KOI8 U Ukrainian GBK Traditional Chinese GB2312 Simplified Chinese EUC KR Korean Japanese CP1253 Greek CP1254 Turkish 1255 Hebrew 1256 Arabic AUDIO LOUDNESS On file ingest Airtime analyzes each Ogg Vorbis MP3 AAC or FLAC file s loudness and stores a ReplayGain value for that file in its database At playout time the ReplayGain value is provided to Liquidsoap so that g
153. o install modified object code on the User Product for example the work has been installed in ROM The requirement to provide Installation Information does not include a requirement to continue to provide support service warranty or updates for a work that has been modified or installed by the recipient or for the User Product in which it has been modified or installed Access to a network may be denied when the modification itself materially and adversely affects the operation of the network or violates the rules and protocols for communication across the network 159 Corresponding Source conveyed and Installation Information provided in accord with this section must be in a format that is publicly documented and with an implementation available to the public in source code form and must require no special password or key for unpacking reading or copying 7 Additional Terms Additional permissions are terms that supplement the terms of this License by making exceptions from one or more of its conditions Additional permissions that are applicable to the entire Program shall be treated as though they were included in this License to the extent that they are valid under applicable law If additional permissions apply only to part of the Program that part may be used separately under those permissions but the entire Program remains governed by this License without regard to the additional permissions When you convey a copy of a cove
154. o noise ratio but not so high a level that clipping distortion occurs in the recorded file You can perform this check using the command alsamixer on the Airtime server This command opens a soundcard mixer application in the server console Capture Capture Digital Input So Input So Input So Press the F4 key on your keyboard to set capture levels Some experimentation may be required to find the correct control on the mixer using the Left and Right arrow keys on your keyboard Levels are set with the Up and Down arrows and Capture is toggled with the Space bar Capture dB gain should be set to 0 00 0 00 initially If you hear nothing at all in the recording you may need to set the value of Input Source to Line using the Up or Down arrows Depending on the particular sound card and sockets you are using you may have to enable other inputs such as Digital or S PDIF If a test recording is too quiet try raising the line output level of your broadcast mixer towards before increasing gain above OdB on the sound card in order to achieve the optimal gain structure USING RECORDINGS After the recording has finished you can find the recorded file in the Library by searching for recorder The file will be labelled with a Title containing a date and time stamp as well as the name of the show 77 LIBRARY Click a file and select Edit Metadata from the pop up menu to enter additional details of the recording which will help you fin
155. only location Mixxx will accept that location as its default music library when starting up for the first time This location can also be configured after installation by clicking Options Preferences then Library in the main Mixxx menu Preferences Library Music Directory srv airtime stor Browse Audio File Formats MP3 Ogg Vorbis FLAC WAVe AIFF Additional Format Plugins Available Online Loaded Plugins Miscellaneous Rescan library on start up Synchronize 103 tags on track modifications Cancel N You may need to adjust file and directory permissions so that the storage directory has read access from the desktop user account Enabling write access directly to the storage server is not recommended as this would allow desktop users to delete files which might be needed for playout later If the filesystem path has been configured correctly the metadata for the files in the Airtime storage server will be displayed in the main window of the Mixxx interface Individual files from the Airtime storage server can then be added to either of Mixxx s live players with a right click on the filename or by using the appropriate hardware buttons on a control surface Therefore it is possible to manage the station s storage archive remotely and collaboratively through Airtime while using Mixxx as the live playout client in multiple remote studios Artist Duration The Airtime storage archive can be ex
156. or relay stream 7 Monit monitors the health of pypo media monitor and Liquidsoap and reports the status of these services to Airtime 8 RabbitMQ pushes messages from Airtime to media monitor and pypo about changes to media files and the playout schedule 9 Airtime manages all of these components and provides an easy multi user web interface to the system It enables your station staff depending on the permissions you have granted them to a upload media files to the storage server via the Add Media page b automatically import file metadata into the PostgreSQL database C search for and download media files and edit the metadata of individual files if required on the Library page d create and edit playlists of media files or create smart blocks of content based on metadata edit cue points and fades and audition them Playlists and smart blocks are also saved in the database and can be searched for e schedule colour coded broadcast shows which can contain playlists smart blocks pre recorded complete shows timed remote input streams or be live for specific dates and times on the Calendar page Regular shows can be scheduled by the day of the week or month and can be linked to share content f automatically record live shows at specific times and dates in 256 kbps Ogg Vorbis format by default from the sound card input with Ecasound upload them to the storage server and import them into the database 2 manage presenter
157. org Current Song Anthrax I m The Man The solution is to specify that the metadata for the MP3 mount point you are using should be interpreted using UTF 8 encoding You can do this by adding the following stanza to the etc icecast2 icecast xml file where airtime mp3 is the name of your mount point mount mount name airtime mp3 mount name lt charset gt UTF 8 lt charset gt lt mount gt After saving the etc icecast2 icecast xml file you should restart the Icecast server sudo invoke rc d icecast2 restart Restarting icecast2 Starting icecast2 Detaching from the console icecast2 85 INSTALLATION 23 PREPARING THE SERVER 24 EASY SETUP 25 AUTOMATED INSTALLATION 26 MANUAL INSTALLATION 27 SETTING THE SERVER TIME 86 23 e PREPARING THE SERVER The following instructions assume that you have root access sudo on Ubuntu to a GNU Linux server and are familiar with basic command line tasks Experienced system administrators may prefer to skip to the Expert install chapter in the appendix of this book after preparing the server as shown in the steps below The recommended Airtime server platform is Debian 7 2 wheezy Ubuntu 12 04 LTS Precise Pangolin is also supported Users of other GNU Linux distributions may be able to adapt these instructions to suit their needs The server should have at least a GHz processor and 512MB of RAM preferably IGB RAM or mor
158. ory Bookmarks Tools Help monit service manager i 1 airtime 64studio com 2812 airtir Parameter Name Pid file status Monitoring mode Monitoring status Start program Stop program Check service Data collected Process id Parent process id Process uptime CPU usage Memory usage Children Total CPU usage incl children Total memory usage incl children Pid Ppid E monit 5 0 3 Value airtime playout var run airtime playout pid running active monitored letc init d airtime playout monit restart timeout 5 second s letc init d airtime playout stop timeout 30 second s every 1 cycle Wed Apr 4 12 07 36 2012 11235 1 40m 0 0 0 2 14092kB 0 0 0 0 2 14092kB lf changed 1 times within 1 cycle s then alert If changed 1 times within 1 cycle s then alert Copyright 2000 2009 Tildeslash All rights reserved Monit web site Monit Wiki M Monit By default the Monit guest login is configured for read only access which means you cannot restart services through its web interface To log in as the admin user you will need the randomly generated password set by Airtime in the etc monit conf d monit airtime generic cfg file You can see this with the command sudo less etc monit conf d monit airtime generic cfg The random password for the admin user should follow on the line allow admin such as the this example of LHR32YP7H1 set daemon 10 Poll at 10
159. ou modified it and giving a relevant date e b The work must carry prominent notices stating that it is released under this License and any conditions added under section 7 This requirement modifies the requirement in section 4 to keep intact all notices e C You must license the entire work as a whole under this License to anyone who comes into possession of a copy This License will therefore apply along with any applicable section 7 additional terms to the whole of the work and all its parts regardless of how they are packaged This License gives no permission to license the work in any other way but it does not invalidate such permission if you have separately received it e d If the work has interactive user interfaces each must display Appropriate Legal Notices however if the Program has interactive interfaces that do not display Appropriate Legal Notices your work need not make them do so A compilation of a covered work with other separate and independent works which are not by their nature extensions of the covered work and which are not combined with it such as to form a larger program in or on a volume of a storage or distribution medium is called an aggregate if the compilation and its resulting copyright are not used to limit the access or legal rights of the compilation s users beyond what the individual works permit Inclusion of a covered work in an aggregate does not cause this License to apply to the other parts of t
160. ount points you will use and the relationship between them sudo nano etc icecast2 icecast xml The example gt section provided in the Cecast xml file is commented out by default Before or after the commented section add three mount point definitions The default mount point used by Airtime is airtime 128 which is shown the etc airtime liquidsoap cfg file You must also define a mount point for the live source called live ogg in this example and a mount point for the public to connect to called stream ogg in this example mount lt mount name gt airtime 128 lt mount name gt lt hidden gt 0 lt hidden gt lt mount gt lt mount gt mount gt 1 ogg lt mount name gt lt fallback mount gt airtime 128 lt fallback mount gt lt fallback override gt 1 lt fallback override gt lt hidden gt 0 lt hidden gt lt mount gt lt mount gt mount name gt stream ogg lt mount name gt lt fallback mount gt Live ogg lt fallback mount gt lt fallback override gt 1 lt fallback override gt lt hidden gt 0 lt hidden gt lt mount gt These mount point definitions mean that a client connecting to a URL such as http icecast example com 8000 stream ogg will first fall back to the ive ogg mount point if it is available If not the client will fall back in turn to the airtime_128 mount point for Airtime playout Setting the value of lt fallback override gt to enabled
161. ounts cannot be created or updated See the chapter Host configuration for details of how to enable demo mode 27 Station fmanager erampiecom UPDATING YOUR OWN ACCOUNT Users can update their own password and their contact language and time zone details by clicking their username on the right side of the main menu bar next to the Logout link This action opens a separate individual page which the user can update regardless of theirUser Type and access to the System menu Click the Save button to update your account 28 8 e MEDIA FOLDERS Airtime s media library is inside the srv airtime stor folder on your server by default In Media folders on the System menu you can change this default location or add extra folders to be watched by Airtime NOW PLAYING ADD MEDIA LIBRARY CALENDAR Manage Media Folders Import Folder Watched Folders If you specify a network drive as a media folder and that network becomes disconnected for any reason Airtime smedia monitor will flag the files as missing in its database until the drive is reconnected If those files are still missing at the time of the show the broadcast output could be silenced For the same reason if a removable drive such as a USB memory stick or MP3 player is specified as a watched folder that drive has to be present and powered on until the corresponding show time so that the Airtime playout engine can download the files needed for the sh
162. ow If your station staff use removable drives to store media files it is safer to use the Add media page of the Airtime administration interface or the airtime import copy command to copy the files to the main storage server See the chaptersAdd media and Using the airtime import script for more details The metadata for new media files you add to theorganize folder or a watched folder will be automatically imported into the Airtime database The organize or watched folders can be exported to computers on the local network This would enable dragging and dropping of media uploads using the file managers on the desktop computers at your studio organize File Browser n x File Edit View Go Bookmarks Help m Back Forward fy amp 100 v Places v Xx 3 Desktop File System S Network Audio Disc amp Wastebasket Downloads 0 items Free space 5 4 GB A file dropped into the organize folder will appear to vanish as the metadata is read and the file is moved to the correct location under the mported directory according to its creator and title This means you can find files for download and editing using a file browser connected to your server as well as in the Search table in the Library This location could be under a filesystem path such as srv airtime stor imported Beck Midnite Vultures in the screenshot below 29 Midnite Vultures File Browser File Edi
163. p Tony Alan Tate You Parum The hice LI pese Creek E pth Tp Mid Ami Teco Tonp Ale m Aa FH TRO Car aed Tin Gotoh Gene Ami Toar amp Tony Aim T z z ae imi Tenor Ing On Shure Brei Tecer amp Tory Abe Tany Mies Tha poeti nita Ami Tomo amp Tony Alius The fi amp Amp Fideler Airtime has been intended to provide a solution for a wide range of broadcast projects from community to public and commercial stations The scalability of Airtime allows implementation in a number of scenarios ranging from an unmanned broadcast unit accessed remotely through the Internet to a local network of machines accessing a central Airtime storage system Airtime supports the playout of lossy compressed audio files in both MP3 and AAC formats and the open royalty free equivalent Ogg Vorbis It also supports playout of lossless FLAC and WAV format audio files Airtime manages the Liquidsoap stream generator at the heart of the system Liquidsoap generates streams from files in the Airtime library and any remote input streams that you specify Available stream output formats include Ogg Vorbis Ogg Opus MP3 and AAC The library is indexed in a PostgreSQL database to enable searching Live shows can be recorded automatically with Ecasound using the sound card line input News editors DJs and station controllers can use Airtime to build playlists or smart blocks and manage
164. ported like any other file server share The method that you implement would depend on the operating system of your desktop client machines and whether they were on the same local network as the Airtime server or remote For performance and redundancy reasons it is advisable to cache files required for a particular show on the client machine where Mixxx is installed For example for a GNU Linux client machine a nightly rsync download of new media in the archive would guard against network problems at playout time potentially disrupting a broadcast at a remote studio Mixxx users can also record a show and then upload it through the Airtime web interface on a local or remote server for collaborative or user generated broadcasts STREAMING FROM MIXXX INTO AIRTIME Mixxx 1 9 0 or later includes a live streaming client which like Airtime is compatible with thelcecast and SHOUTcast media servers This feature can also be used to stream from Mixxx directly into Airtime using either the Show Source or Master Source 8l ie live broadcasting P ase note that for technical reasons changing any shoutcast settings will cause an estat connection to disconnect and reconnect Server connection Type Icecast 2 Mount showmount Host airtime example com rt 8004 Stream settings Public stream Bitrate Format Stream name Joc ki s Joan vorbis Website http www mixxx org Custom metadata Description Encoding Enable
165. ps 3 to 7 above should be carried out on the external web server so that it can convert the two temporary files uploaded via FTP into public schedule data If you have secure shell access SSH to the remote web server you could write a script to use the secure copy command scp instead of ftp 131 WEBSITE WIDGETS Example HTML Javascript and CSS code for your public website are provided in the widgets folder of the Airtime installation tarball or on GitHub https github com sourcefabric Airtime tree master widgets If you have performed an automated installation on Debian or Ubuntu the widgets can be found in the usr share doc airtime examples directory For the widgets to work on a typical web server links to the Javascript and CSS code have to be included in the HTML page lt head gt element like the following example head meta http equiv Content Type content text html charset utf 8 lt title gt Airtime widgets lt title gt lt script src js jquery 1 6 1 min js type text javascript gt lt script gt lt script src js jquery ui 1 8 10 custom min js type text javascript gt lt script gt script src js jquery showinfo js type text javascript gt lt script gt lt link href css airtime widgets css rel stylesheet type text css gt lt head gt A full example is shown in the widgets sample page html file in the Airtime installation tarball on GitHub or in the usr share doc airtime
166. pty database and logs a warning If your RabbitMQ installation contains important data then we recommend you contact support rabbitmq com for assistance with the upgrade The Airtime installer will then run a script to check that your server environment is set up correctly Verifying your system environment running airtime check system AIRTIME STATUS URL AIRTIME SERVER RESPONDING KERNEL VERSION MACHINE ARCHITECTURE TOTAL MEMORY MBYTES TOTAL SWAP MBYTES AIRTIME VERSION 0S CPU WEB SERVER PLAYOUT ENGINE PROCESS ID PLAYOUT ENGINE RUNNING SECONDS PLAYOUT ENGINE MEM PERC PLAYOUT ENGINE CPU PERC LIQUIDSOAP PROCESS ID LIQUIDSOAP RUNNING SECONDS LIQUIDSOAP MEM PERC LIQUIDSOAP CPU PERC MEDIA MONITOR PROCESS ID MEDIA MONITOR RUNNING SECONDS MEDIA MONITOR MEM PERC MEDIA MONITOR CPU PERC http airtime example com 80 api status format json api OK 3 2 0 4 amd64 x86 64 2963688 7812092 2 5 1 Debian GNU Linux 7 1 wheezy x86 64 AMD Turion tm II Neo N40L Dual Core Processor Apache 2 2 22 Debian 4446 Your installation of Airtime looks OK KEKKKKKKKEKA Install Complete You should now be able to log in to the Airtime administration interface as shown in theGetting started chapter See the Host configuration chapter for advanced settings 100 26 MANUAL INSTALLATION You do not normally need to install Airtime manually unless you are testing a
167. r admin example com Make sure you set the DocumentRoot and Directory paths correctly This should normally match the public directory that the installer will unpack the web interface into which by default is the usr share airtime pu blic directory From Airtime 2 3 0 onwards the web interface can be installed in a subdirectory of the DocumentRoot if you require it to be lt VirtualHost 80 gt ServerName airtime example com ServerAdmin 1 DocumentRoot usr share airtime public php admin value upload tmp dir tmp Directory usr share airtime public DirectoryIndex index php AllowOverride all Order allow deny Allow from all Directory lt VirtualHost gt Press Ctrl O to save the file then Ctrl X to exit thenano editor 5 Create the PHP configuration etc airtime airtime ini in nano sudo nano etc airtime airtime ini with the following contents PHP memory limit 512M magic quotes gpc Off file uploads On upload tmp dir tmp apc write lock 1 apc slam defense 0 Save and exit nano then link this file to the system s PHP configuration with the command sudo ln s etc airtime airtime ini etc php5 conf d airtime ini 6 Enable the new configuration by entering the command sudo a2ensite airtime The server should respond Enabling site airtime Run etc init d apache2 reload to activate new configuration You may also need to disable the default site
168. range background when you click them 56 New Delete Shuffle Fade in ss t Fade out s t Tth Galaxy feat Jamall Bufford 14KT remix Dennis Coffey Show Waveform Fade out s t Fade in k All Your Goodies Are Gone feat Mayer Hawthorne Dennis Coffey Beautiful Way Beck If your web browser supports the Web Audio API you will see aShow Waveform button which enables you to view the waveforms of the adjacent items adjust the fades and audition them Click the Fade Out or Fade In button to change the fade curves by clicking in the waveforms then click the Play button to audition the effect of any adjustment you have made To audition just one part of the item use the Cursor button to move the play cursor which appears as a thin red line on the waveform The playback progress is shown by an orange colour on the waveform 01 2 007 Play Stop Fade In Fade Out Cancel Each file in the playlist also has a button with two square brackets which enables you to adjust Cue In and Cue Out times for that particular file Like the fade button the cue button changes to an orange background when you click it Cue In and Cue Out points are set in hours minutes seconds and tenths of a second relative to the start of the item If a file has leading or trailing silence corresponding cue points will be set automatically The duration of the file in the playlist is updated automatically when you a
169. rce p password default hackme m mount default test h show help menu 115 34 USING MONIT Monit is a utility which can be used to manage and monitor processes files directories and filesystems on your Airtime server It is installed by default when you install Airtime To view the Monit web interface open port 2812 of your server in a web browser For example on the localhost you can use http Localhost 2812 You will have to log in to see the Monit web interface The username to use isguest and the default password is airtime monit service manager Mozilla Firefox File Edit View History Bookmarks Tools i monit service manager E i i airtime 64studio com 2812 i i ken monit 5 0 3 Monit Service Manager Monit is running on office with uptime 32m and monitoring Status Load CPU Memory 24 396 running 1 96 1 60 1 47 29 696us 5 096sy 0 0 wa 1494000 kB Process Status ime P Memory running 32n 0 0 3 18888 kB airtime playout running 0 0 2 14092 airtime media Tee are running 0 2 14516 airtime m liquidsoa running 0 4 24620 kB Copyright 2000 2009 Tikdeslash All rights reserved Monit web site Monit Wiki M Monit Clicking on the name of a service in the Process column such as a rtime playout opens another page with details of that service 116 service manager Mozilla Firefox File Edit View Hist
170. rdware Otherwise you may see an error message that Mixxx cannot access the sound device Sound Device Busy Mixxx cannot access the sound device Another application is using the sound device or it is not plugged in Retry after closing the other application or reconnecting the sound device Reconfigure Mixxx to use another sound device Get Help from the Mixxx Wiki Exit without saving your settings Rey Reconfigure Ext The solution is to configure Mixxx to use additional sound cards by clickingOptions Preferences then Sound Hardware in the main Mixxx menu Select devices other than the ALSA default of hw 0 0 for at least the Master and Headphones outputs Then click the OK button Preferences Sound API ALSA d Sample Rate 48000 Hz Latency 21 3 ms Latency Tips Increase your latency if you hear pops during playback Reduce your latency to improve Mixxx s responsiveness ka Master HDA ATI HDMI ATI HDMI hw 3 3 5 Channels 1 2 Headphones MobilePre USB Audio hw 1 0 Channels 1 22 Deck 1 a 3 Deck 2 None 1 J bexs Deck 4 None O e Query Devices Reset to Defaults Apply Cancel 80 SHARING STORAGE If you make the Airtime server s storage directory srv airtime stor accessible to a desktop machine as a read
171. red work you may at your option remove any additional permissions from that copy or from any part of it Additional permissions may be written to require their own removal in certain cases when you modify the work You may place additional permissions on material added by you to a covered work for which you have or can give appropriate copyright permission Notwithstanding any other provision of this License for material you add to a covered work you may if authorized by the copyright holders of that material supplement the terms of this License with terms e a Disclaiming warranty or limiting liability differently from the terms of sections 15 and 16 of this License or e b Requiring preservation of specified reasonable legal notices or author attributions in that material or in the Appropriate Legal Notices displayed by works containing it or e C Prohibiting misrepresentation of the origin of that material or requiring that modified versions of such material be marked in reasonable ways as different from the original version or e d Limiting the use for publicity purposes of names of licensors or authors of the material or Declining to grant rights under trademark law for use of some trade names trademarks or service marks or e f Requiring indemnification of licensors and authors of that material by anyone who conveys the material or modified versions of it with contractual assumptions of liability to the recipient for
172. reference level of 4dBFS by clicking and dragging the Replay Gain Modifier control Increasing level too far is likely to result in clipping distortion since the output level is adjusted to be greater than that of the original files This scenario is indicated by amplitude correction factors greater than 1 0 in the Liquidsoap log file Click the Save button on the right side of the page to save any changes that you have made to global settings If you are only using the hardware audio output and will not be streaming to or from Airtime you can leave the Stream Settings page after clicking the Save button INPUT STREAM SETTINGS On the lower left side of the Stream Settings page you can configure remote live input streams from DJ programs such asMixxx or IDJC or smartphone applications used by broadcast journalists Airtime supports two types of live input stream theShow Source which enables a specific person to stream in during their own show and the Master Source which can override the Show Source if necessary If neither type of live input is available Airtime will fall back to Scheduled Play playlists smart blocks remote streams and files scheduled in Airtime in advance of or during a show The Auto Switch Off and Auto Switch On checkboxes enable playout to be switched automatically to the highest priority source whenever an authenticated input source disconnects from or connects to Airtime respectively The field Switch Transition F
173. rope London ivi Then select either weekly every 2 weeks every 3 weeks every 4 weeks or monthly from the Repeat Type drop down menu If you have selected a weekly option check the boxes for the days of the week that you want to schedule the regular show on If you have selected monthly you have the option to Repeat By day of the month for example the 9th of each month or day of the week for example the second Wednesday of each month 20131009 E 20131009 7 65 Uncheck the No End box and set the Date End for the regular show to finish or leave the No End box checked to schedule the show indefinitely 20131009 F1 0000 We Th Fr Sa LIVE STREAM INPUT The Live Stream Input section can be used to enable live input streams during the show and also to configure authentication for them If you check the Use Airtime Authentication box the DJs presenters of the show will be able to connect a live stream to Airtime s Show Source Mount Point using their login name and password See the chapter Stream Settings for details If you check the Use Custom Authentication box instead you can set a one time username and password pair for live stream input to the show For example you may wish to create an authenticated live stream input for a particular remote news reporter without providing any further access to your Airtime server for that person A reminder of the Connection URL for the live input stream to use is sho
174. s which are currently available Both the streaming server and name of the stream are shown Your station logo is shown in the top left corner of the window if you have uploaded one via the Support Feedback page on the System menu Live stream Mozilla Firefox en fea airtime 64studio com Dashboard stream player Live stream zi Beneath the drop down menu for stream selection is an orange volume control bar This volume control only adjusts the output level of the pop up Live Stream window not the output level of the Airtime server itself To adjust output level between muted and maximum click on the corresponding place in the orange bar with maximum level on the right side Click on the left side speaker icon to mute the output Live stream Mozilla Firefox I airtime 64studio com Dashboard stream player Live stream To display the URL of the stream you are monitoring so that you can copy and paste it into an email or web page click theShare button Click the X icon to the right of the URL to return to the drop down menu of available streams Live stream Mozilla Firefox airtime 64studio com Dashboard stream players Live stream k When you have finished monitoring the streams you can close the pop up window in the normal way depending on the browser you are using In Firefox you can close the window by clicking the X button in the top right corner This action will not shut down
175. s in a playlist or static smart block See the chapter Library for details You can enable live read only access to the Airtime schedule calendar for your station s public website with the Allow Remote Websites to Access Schedule Info option if you wish There is more about this feature in the Exporting the schedule chapter in the Advanced Configuration section of this book The Default Interface Language drop down menu sets the default localization for your Airtime instance and the Station Timezone drop down menu can be used to display local time at your station Airtime stores show times internally in UTC format similar to Greenwich Mean Time but displays local time for the convenience of your station staff You can also set the day of the week that you wish to start your station s weekly schedule on which defaults to Sunday Then click the Save button Preferences English Canada Individual Airtime users can choose another interface localization when they log in or set personal preferences for localization and time zone by clicking their username on the right side of the menu bar EMAIL MAIL SERVER SETTINGS The Enable System Emails Password Reset box is not checked by default because although enabling staff users to retrieve their lost password for themselves may be convenient this option does have security implications If the email account of the staff user is compromised an attacker could very easily gain ac
176. s in ascending or descending order In the second column audio files are represented by a loudspeaker icon while playlists are represented by a document icon Smart blocks have a think bubble icon and web streams have an arrow icon To find all files uploaded by yourself or another specific member of the station staff click theShow hide columns checkbox which enables the Owner column After you have made your search you can click the header of theUploaded column to find the items that person added to the server most recently Advanced search terms are matched using and rather than or logic to narrow your search Perhaps you have tagged some jazz flavoured station idents intended for use in a particular show called Jazz Maverick with the Album tag of Jazz Maverick and a Genre of dent You could then find exactly the idents you are searching for by typingmaverick and ident into the respective advanced search fields Use the drop down menu at the top of the search results to display Files Playlists Smart Blocks Web Streams or All items By default 10 items are listed but you can click the Show drop down menu to change the list length to between 5 and 100 items NOW PLAYING ADD MEDIA LIBRARY CALENDAR Files Playlists Smart Blocks Web Streams k Click the Advanced Search Options link to collapse that area Beneath the collapsed link is theSimple Search field with a magnifying glass icon which enables the select
177. s is because webmin was removed from official Debian and Ubuntu package repositories some years ago 89 RABBITMQ HOSTNAME RabbitMQ requires a fixed and resolvable hostname see http www rabbitmq com ec2 htmlzzissues hostname which is normal for a server For a desktop or laptop machine where the hostname changes frequently or is not resolvable this issue may prevent RabbitMQ from starting When using a desktop or laptop computer with a dynamic IP address such as an address obtained from a wireless network the rabbitmq server daemon must not start up before the NetworkManager service RABBITMQ ON DEBIAN SQUEEZE In Debian 6 0 squeeze the rabbitmq server daemon does not start automatically after a reboot This should be fixed before installing Airtime to prevent problems at playout time If the rabbitmq server package was installed before the last reboot you will need to run invoke rc d rabbitmq server start as the root user before the installation of Airtime If it is not already installed run the following command as root apt get install rabbitmq server After a fresh installation rabbitmq server will start automatically so there is no need to run theinvoke rc d command mentioned above In either case you should then edit lines 13 and 14 of the file etc init d rabbitmq server as root to show Default Start 2 Default Stop 0 3 4 5 1 6 and then run the command as root update rc d rabbitmq server defaults
178. s well To convey a work means any kind of propagation that enables other parties to make or receive copies Mere interaction with a user through a computer network with no transfer of a copy is not conveying 157 An interactive user interface displays Appropriate Legal Notices to the extent that it includes a convenient and prominently visible feature that 1 displays an appropriate copyright notice and 2 tells the user that there is no warranty for the work except to the extent that warranties are provided that licensees may convey the work under this License and how to view a copy of this License If the interface presents a list of user commands or options such as a menu a prominent item in the list meets this criterion Source Code The source code for a work means the preferred form of the work for making modifications to it Object code means any non source form of a work A Standard Interface means an interface that either is an official standard defined by a recognized standards body or in the case of interfaces specified for a particular programming language one that is widely used among developers working in that language The System Libraries of an executable work include anything other than the work as a whole that a is included in the normal form of packaging a Major Component but which is not part of that Major Component and b serves only to enable use of the work with that Major Component or
179. se esto Betancourt Brno The fbrte Cantera Dat Boat Fence Cn Earth Texk Lai T tbe pni Bean Pol hisy For example on Debian or Ubuntu unzip Airtimel280x1024 skin for Mixxx zip sudo cp r 1280 1024 usr share mixxx skins 82 maitim aoe oth cr cb EDI mpra maitim cbk 70638555555 d462a 7350 Find Stc fers initi bec 1581833452055 negncde Teca nm ter mg fero fairtimessborki5Hn5135 g53 3E 327 mp3 fera bone bots 25715250355587 adn mp Tah fury ed DS 2591879 mp bore ba hed fere TEE T4 en pd Any fame boris DOO 367 BS eb T2510 mg s 7146 fnr 750205051 Les mp Arya Tr bore 1518356550031 75350da6bedfe 555 Td mp3 farvi nirtimemberntitsrmrisTAed eoi 71 ines Seb mp3 Per 9328722 870658 mg fera born ae 902 5 ebb Pedic Figo dde mp3 bond aoe een 1b 1 7765241 BOO ee i rro sri fairimentondd ddb142 743259 5c50p5b609 11 ac 3946 D mans fer fmirtimeiterddndnndpcfdasoze end ret 71 305 bed mg fery rairimessbor 50 35 o Meese Lee Tiu mp 3
180. se an encryption key pair for theuploads account instead of a password See https help ubuntu com community SSH OpenSSH Keys for details of how to do this on an Ubuntu server 122 36 ICECAST HANDOVER In a typical radio station configuration the live output from the broadcast studio and the scheduled output from Airtime are mixed together before being sent further along the broadcast chain to a transmitter or streaming media server on the Internet This may not be the case if your Airtime server is remote from the studio and you are using the Show Source Mount Point or Master Source Mount Point to mix live and scheduled content See the Stream Settings chapter for details If your Icecast server is hosted in a remote data centre you may not have the option to handover the streaming media source manually because you have no physical access to connect a broadcast mixer to the server Disconnecting the stream and beginning another is less than ideal because the audience s media players will also be disconnected when that happens The Icecast server has a fallback mount feature which can be used to move clients media players used by listeners or viewers from one source to another as new sources become available This makes it possible to handover from Airtime output to a show from another source and handover to Airtime again once the other show has ended To enable fallback mounts edit the main Icecast configuration file to define the m
181. sed on theName of the show so that individual shows can be easily identified in the Calendar If you wish you can select aBackground Colour and Text Colour manually by clicking the boxes in the Style section Click the coloured circle icon in the lower right corner to close this pop up window Finally click the Add this show button at the top or bottom of the box The new show will now be displayed in the Calendar with a regular slot if you have chosen to schedule one EDITING A SHOW Show configuration and metadata can be changed at any time except for Date Time Start and Record from Line In options which are fixed after broadcast of that show commences Click the show in the Calendar and select Edit Show from the pop up context menu This opens the Update Show box which is almost exactly the same as the Add this Show box Click the Update show button at the top or bottom of the box when you are done Update show 68 Alternatively individual shows can be clicked on and dragged to new days and times in the calendar However Airtime will not allow you to drag a future show into the past or drag and drop instances of a repeated show In the Day and Week views show length can be adjusted by clicking on the lower edge of the show box and dragging the edge of the box upwards or downwards The new show length is calculated automatically ADDING CONTENT TO A SHOW To add content to a show click the show in any view on the
182. sername admin i alga FassWwortu Login The E mail address you enter must match the address stored in the database for yourUsername admin example com Restore password h Cancel REGISTER AIRTIME After you have logged in as admin for the first time a pop up window will ask if you wish to send technical support data about your server to Sourcefabric 13 Remind me in 1 week Remind me never These details can be viewed by clicking on the Show me what 1 am sending link which expands a scrolling window The data helps Sourcefabric engineers resolve any problems with your Airtime installation as well as count the number of installations worldwide Remind in 1 week Remind me never Yes help Airtime Sourcefabric has a privacy policy regarding data collection which you can read by clicking the link to http www sourcefabric org en about policy further down After checking the Send support feedback and privacy policy boxes you can submit the data by clicking the Yes help Airtime button This window also offers the opportunity to Promote my station on Sourcefabric org on the page http www sourcefabric org en airtime whosusing by checking the box Fill in the form which will appear with some details about your station The contact details are only requested for verification purposes and will not be made available to the public Click the Browse button to select aStation Logo image from the file m
183. setup package and select Open with GDebi Package Installer Downloads File Browser File Edit View Go Bookmarks Help owd v amp E E 10 iconv Places b ma daniel Downloads airtime easy setup deb Open with Archive Manager Downloads Open with Other Application B 64studio Cut Copy Or for an Ubuntu Lucid or Debian server without a desktop you can usegdebi on the command line sudo apt get update sudo gdebi airtime easy setup deb If gdebi is not installed you can run this command first sudo apt get install gdebi 91 Later versions of Ubuntu have replaced GDebi with the program software center On a desktop installation right click on the package and select Open with Ubuntu Software Centre This desktop program can also be run from the command line for example software center airtime easy setup deb B Ubuntu Software Centre File Edit View Installed History airtime easy setup Metapackage for the Airtime broadcast server 62 Installed This metapackage installs the dependencies for the Airtime broadcast automation system and sets up a typical server configuration For a multi server install you may prefer to install the airtime and Icecast2 packages separately Developer Web Site Any of the methods above should resolve package dependencies automatically INSTALL AIRTIME Once the install
184. sician s performance rights so you have to negotiate an additional licence from Phonographic Performance Limited PPL to play music online including digital recordings converted from commercially released CDs vinyl or tape Typically you have to provide full statistical details to the royalty society of all music streamed or downloaded from your site which can be onerous Even if your radio station is mostly speech there are many limitations in the small print of these music licences For instance you can t use music for promotional purposes and you can t stream a whole opera without negotiating separate licences Weirdly you are not allowed to play a piece of music in a derogatory context to the writer or performers no drummer jokes allowed then However the biggest pitfall is that these MCPS PRS licences for publishing rights only cover listeners in the UK For recording rights PPL is a member of the IFPI reciprocal scheme for webcasters which means its licenses cover listeners in some European countries Australia New Zealand and a few other countries but not listeners in the USA or Canada So if your Internet station picked up a significant number of listeners in countries not covered by the MCPS PRS licences or the IFPI reciprocal scheme you would have to pay for similar music licences in those countries as well It s no wonder that many not for profit radio stations have disappeared from the virtual airwaves over the last few years
185. sr lib airtime media monitor where the logging files live log dir var log airtime media monitor THHHHHHHHHBHHHHHBHHHHHBHHHHHHBHHHBHHHBHHHBHHHBHHHHBHHHBHHHHBE RabbitMQ settings THHHHHHHHHBHHHHHBHHHBHHBHHHHHHBHHHBHHBHHHBHHHBHHHHBHHHBHHHHBE rabbitmq host localhost rabbitmq user airtime rabbitmq password XXXXXXXXXXXXXXXXXXXX rabbitmq vhost airtime THHHHHHHHHHHHHHHBHHHHBHHHHBHHHHBHHHHHHHHBHHHHE i Media Monitor preferences THHHHHHHHHHBHHHHHHHHHHHBHHHHHBHHHHHHHHHHHHHHBHHWHE how long to queue up events performed on the files themselves check filesystem events 5 how long to queue metadata input from airtime check airtime events 30 MM2 only touch interval 5 chunking number 450 request max wait 3 0 rmq event wait 0 1 logpath var log airtime media monitor media monitor log index path var tmp airtime media monitor last index PLAYOUT AND RECORDER SETTINGS Settings for pypo the playout and recording engine used by Airtime are found in the file etc airtime pypo cfg After making changes to this file you will have to issue the command sudo etc init d airtime playout restart for the changes to take effect THHHHHHEHHHHHHHHHHHHHHHHHHHHHBHHHHHHHHHHHHHHHI pypo configuration THHHHHHHHHHHHHHHHHHHHHHHHBHHBHHHHHHHBHHHHHHHHE Set the type of client you are using Currently supported types 1 obp Open Broadcast Platform 2 airtime api client airtime THEH
186. st 24 hours of streaming are shown To change this date and time range click the calendar and clock icons in the lower left corner of the page then click the magnifying glass icon 2013 01 23 To choose which particular streams should have statistics displayed click the check boxes for the individual colour coded mount points just below the graph 39 THE MAIN MENUS 13 NOW PLAYING 14 ADD MEDIA 15 LIBRARY 16 CALENDAR 17 HISTORY 18 LISTEN 19 HELP 40 3 PLAYING The Now Playing page provides a view of the content your station will play out has already played out which defaults to showing the 24 hours ahead This page also enables you to make last minute changes to running shows If you ve only just installed Airtime there might not be any content shown yet Click the calendar and clock icons above the table to change the date and time range then click the Find Shows button with the magnifying glass icon to the right NOW PLAYING ADD MEDIA LIBRARY CALENDAR SYSTEM SEEE OODE PEELE Je 15 35 37 15 41 38 6 01 3 Love Dancing 15 41 38 15 46 50 8113 Mama England 15 46 50 15 52 09 5 19 3 Milk amp Honey m 15 52 09 15 55 28 3 18 8 Miss Millie feat Kings go Forth Dabrye s Synthesi TC To display the content of a particular show click Filter by Show and select the name of the show from the drop down menu which will appear LJ E
187. static file rather than stream from a microphone http droidtools sourceforge net content icecast client android A live workflow does of course depend on a steady network connection between the phone and Airtime server Because streaming media on a regular basis can use a lot of bandwidth it is advisable to use WiFi rather than mobile data 3G 4G whenever possible especially when roaming across networks KoalaSan can stream input from either the built in microphone or the external jack of the iOS device An example configuration for the Settings tab might be Name Airtime Server airtime example com Port 8003 Mountpoint mastermount Stream name Airtime Description A live stream to Airtime Genre News 20 Username masterstreamer Password masterpassword Codec mp3 Bitrate 128 Protocol Icecast2 Stereo off AudioBus off Dump on Broadcast on You can start streaming from the iOS device by tapping the start button in KoalaSan sStream tab To configure BroadcastMySelf tap the gears icon in the top left corner to enter the settings page then tap Output Settings This action opens the Icecast Settings page where example settings could be Hostname airtime example com Port 8003 Path mastermount Username masterstreamer Password masterpassword MP3 Encoder Bitrate 128 Kbit s Metadata Template song artist Streaming Buffer Size MP3 buffer size X 8 You may also wish to configure the Trac
188. steners Ogg Opus also benefits from good sound quality at low bitrates with the added advantage of lower latency than other streaming formats Opus is now IETF standard http tools ietf org html rfc67 16 and requires Icecast 2 4 or later to be installed on the streaming server Ogg Vorbis playback is supported in Mozilla Firefox Google Chrome and Opera browsers via jPlayer http jplayer org and is also supported in several popular media players including VideoLAN Client also known as VLC http www videolan org vic See the chapter Stream player for your website on how to deliver jPlayer to your audience Ogg Opus is relatively new and is supported natively in the very latest browsers such as Mozilla Firefox 25 0 and media players including VLC 2 0 4 or later Streaming MP3 below a bitrate of 128kbps is not recommended for music because of a perceptible loss of high audio frequencies in the broadcast playout A 96kbps or 64kbps MP3 stream may be acceptable for voice broadcasts if there is a requirement for compatibility with legacy hardware playback devices which do not support Ogg Vorbis or Opus streams Because Airtime supports simultaneous streaming in multiple formats it is possible to offer one or more streams via your website and another independent stream for direct connection from hardware players You can test whether Ogg streams sound better at low bitrates for yourself by using the LISTEN button in Airtime s Master Pa
189. storage with a backup server each day or night If the backup server also contains an Airtime installation it should be possible to switch playout to this second machine relatively quickly in case of a hardware failure or other emergency on the production server A standard incremental backup tool on GNU Linux servers is rsync http rsync samba org which can be installed using the package manager of your GNU Linux distribution However incremental backup alone cannot help in the scenario where a file which later proves to be important has been deleted by an administrator For backups that can be rolled back to restore from an earlier date than the current backup the tool rdiff backup http www nongnu org rdiff backup can be deployed 13 32 e UPGRADING Airtime 2 5 x versions support upgrading from version 2 3 0 and above If you are running a production server with a version of Airtime prior to 2 3 0 you should upgrade it to version 2 3 0 before continuing Before upgrading a production Airtime server you should back up both the PostgreSQL database and the storage server used by Airtime This is especially important if you have not already set up a regular back up routine This extra back up is a safety measure in case of accidental data loss during the upgrade for example due to the wrong command being entered when moving files See the chapter Backing up the server in this book for details of how to perform these back ups If you ha
190. t View Go Bookmarks Help Back B Foward v 10 06 Peaches amp Cream 128kbps mp3 1 item Free space 5 4 GB If a media file is corrupted and cannot be played by Liquidsoap Airtime will move the file to the problem files folder in the storage archive and its metadata will not be added to the database This feature ensures that all files are tested for encoding errors or upload corruption before playout time Files in watched folders are not moved into the main Airtime storage folder However just like in the main storage files deleted from a watched folder will be automatically flagged as missing in any show that they are part of Edits to your stored and watched media files are noticed by Airtime If you edit any file known to the database and change its duration Airtime will automatically adjust the duration of playlists smart blocks and shows that the file is included in CHANGING THE STORAGE FOLDER To change Airtime s storage folder click the upper choose folder button In the pop up window that opens double click on the folder names to select the folder that you require Then click the Open button to open that folder Cancel Back on the Manage Media Folders page click the Set button to change the storage folder Airtime will ask if you are sure about this action Click the OK button to confirm your choice Are you sure you want to change the storage folder This will remove the fil
191. t accurate results For example for a server in the United Kingdom you could use the following list You do need to talk to an NTP server or two or three server ntp ubuntu com server 0 uk pool ntp org server l uk pool ntp org server 2 uk pool ntp org server 3 uk pool ntp org Enter the server names you require pressCtrI 0 to write out the etc ntp conf file then Ctrl X to exit nano Restart the service with sudo invoke rc d ntp restart The server should respond Stopping NTP server ntpd OK Starting NTP server ntpd OK Then use the ntpq p command to confirm that ntp is working This command should produce output similar to the following ntpq p remote refid st t when poll reach delay offset jitter europium 193 79 237 14 2 28 64 3 39 571 12 600 3 590 norb v4 c 46 227 200 72 28 64 3 47 856 6 908 10 028 82 113 15 193 62 22 82 2 29 64 3 11 458 0 513 2 629 ntppub le 158 43 192 66 2u 91 64 2 122 781 44 864 0 001 dnsO rmpl 195 66 241 3 2 27 64 3 22 171 1 464 4 242 ADJUSTING THE SERVER TIME ZONE The data centre which hosts your Airtime server could be located anywhere in the world Some servers are set to Coordinated Universal Time or UTC similar to Greenwich Mean Time or GMT regardless of their location Airtime uses UTC time in its database for scheduling purposes independent of the server time zone If the server time zone is not appropriate for integration with your station s other s
192. tart button Filename 1 14 Justo Betancourt Pa Bravo Yo mp3 01 Love Dancing mp3 Add files Start upload The row of the file currently being uploaded is highlighted in pale green At the bottom of the upload queue a progress bar and percentage indicates how much of the upload has taken place so far The upload speed will depend on the network connection between your computer and the Airtime server Select files Add files to the upload queue and click the start button 1 14 Justo Betancourt Pa Bravo Yo mp3 01 Love Dancing mp3 Uploaded 0 2 files Once it has been uploaded successfully each file row displays a white check mark in a green circle icon 10056 Your files are now imported into the Airtime library ready to be included in your broadcast playlists smart blocks and shows 52 5 LIBRARY This page of the Airtime interface enables you to search the media library sort and display the search results by the criteria that you choose audition library items and drag and drop those items into a playlist You can also adjust fade and cue points create smart blocks automatically generated playlists or add incoming web streams to the library The Library page is not visible to Guest users SEARCHING THE LIBRARY The search features on the left side of the Library page are the same as those available on the Now Playing page Refer to the chapter Now Playing for details CREATI
193. the output from the Airtime server only the stream monitoring on your desktop computer or laptop 74 9 HELP The first entry on Airtime s Help menu offers a Getting Started guide for new users Further down there is also a link to the online version of this User Manual and an About page which displays version and licensing information NOW PLAYING ADD MEDIA LIBRARY CALENDAR SYSTEM HELP Getting Started User M ual Airtime 7 SOURCEFABRIC user manual You can visit the Airtime online support forum and sign up for the mailing list at http forum sourcefabric org categories airtime support This forum is mirrored by the mailing list so posts on the forum appear on the mailing list and vice versa You can therefore also post a message there by emailing airtime support lists sourcefabric org To subscribe to forum updates via email please register or login to the forum by clicking the appropriate link Then visit your profile page at http forum sourcefabric org profile and click the link My Email Subscriptions on the left side menu In the pop up window that opens check the boxes for the mailing lists you wish to subscribe to then click the Save button BUG REPORTING Airtime needs your input to improve If you think you ve found a bug please visithttp dev sourcefabric org and sign in using the same login and password that you registered for the Airtime forum Create a bug report by selecting Create Issue then
194. ting a covered work you indicate your acceptance of this License to do so 10 Automatic Licensing of Downstream Recipients Each time you convey a covered work the recipient automatically receives a license from the original licensors to run modify and propagate that work subject to this License You are not responsible for enforcing compliance by third parties with this License 160 An entity transaction is a transaction transferring control of an organization or substantially all assets of one or subdividing an organization or merging organizations If propagation of a covered work results from an entity transaction each party to that transaction who receives a copy of the work also receives whatever licenses to the work the party s predecessor in interest had or could give under the previous paragraph plus a right to possession of the Corresponding Source of the work from the predecessor in interest if the predecessor has it or can get it with reasonable efforts You may not impose any further restrictions on the exercise of the rights granted or affirmed under this License For example you may not impose a license fee royalty or other charge for exercise of rights granted under this License and you may not initiate litigation including a cross claim or counterclaim in a lawsuit alleging that any patent claim is infringed by making using selling offering for sale or importing the Program or any portion of it 1 Patents
195. tiverse Packages Fetched 4918 in 2s 2188 5 Reading package lists Done W GPG error http apt sourcefabric org lucid Release The following si gnatures couldn t be verified because the public key is not available NO PUBKEY O888FESB1 74C1854 danielgoffice To fix this system error you need to install the sourcefabric keyring package which contains the package signing key This encryption key is a security measure which helps ensure that the Airtime packages you will be downloading in future have not been tampered with by a third party You can install the key with the command sudo apt get install sourcefabric keyring 94 When prompted press the y key on your keyboard to install the sourcefabric keyring package without verification If you wish to verify the authenticity of the package signing key please contact Sourcefabric for assistance danielgoffice sudo apt get install sourcefabric keyring Reading package lists Done Building dependency tree Reading state information Done The following NEW packages will be installed sourcefabric keyring upgraded 1 newly installed O to remove and 7 not upgraded Need to get 3 610B of archives After this operation 49 2kB of additional disk space will be used WARNING The following packages cannot be authenticated sourcetabric keyring Install these packages without verification y N y Get 1 http apt sourcefabric org lucid main sourcefabric keyring 0 1 3
196. to implement a Standard Interface for which an implementation is available to the public in source code form A Major Component in this context means a major essential component kernel window system and so on of the specific operating system if any on which the executable work runs or a compiler used to produce the work or an object code interpreter used to run it The Corresponding Source for a work in object code form means all the source code needed to generate install and for an executable work run the object code and to modify the work including scripts to control those activities However it does not include the work s System Libraries or general purpose tools or generally available free programs which are used unmodified in performing those activities but which are not part of the work For example Corresponding Source includes interface definition files associated with source files for the work and the source code for shared libraries and dynamically linked subprograms that the work is specifically designed to require such as by intimate data communication or control flow between those subprograms and other parts of the work The Corresponding Source need not include anything that users can regenerate automatically from other parts of the Corresponding Source The Corresponding Source for a work in source code form is that same work 2 Basic Permissions All rights granted under this License are granted for the term of
197. to save the file then Ctrl X to exit the nano editor SET UP REPOSITORIES FOR DEBIAN On a Debian squeeze or wheezy server you can edit the etc apt sources list file as root with the command nano etc apt sources list Packages for MP3 encoding are not included in the Debian squeeze repositories your server runs squeeze you can obtain the necessary libmp3lameOQO package by adding the following repository to the end of the file deb http backports debian org debian backports squeeze backports main To add the Sourcefabric repository to a Debian squeeze server add the following line to the end of the file deb http apt sourcefabric org squeeze main or for Debian wheezy deb http apt sourcefabric org wheezy main Press Ctrl O the Ctrl key and the letter together to save the file then Ctrl X to exit thenano editor INSTALL THE SOURCEFABRIC SIGNING KEY Reload the system s package list with sudo apt get update You will see an error message about a missing public key Hit http gb archive ubuntu com lucid Release Hit http gb archive ubuntu com Lucid updates Release Hit http gb archive ubuntu com lucid main Packages Hit http gb archive ubuntu com lucid universe Packages Hit http gb archive ubuntu com lucid multiverse Packages Hit http gb archive ubuntu com lucid updates main Packages Hit http gb archive ubuntu com lucid updates universe Packages Hit http gb archive ubuntu com lucid updates mul
198. u can use http localhost 8000 or from another machine using the domain name of the Icecast server http streaming example com 8000 You should see the Icecast status page with details of any connections that your Airtime server has made to this Icecast server If you have only just installed Airtime there may not be any media playing out yet E Streaming Media Server Mozilla Firefox File Edit View History Bookmarks Tools Help Airtime i Icecast Streaming Media Ser 3 streaming example com 8000 r Icecast2 Status Administration Server Status Version Stream Title Stream Description Content Type Mount started Quality Current Listeners Peak Listeners Stream Genre Stream URL Current Song 5 e SMARTPHONE JOURNALISM Using an ordinary smartphone and Airtime you can upload your audio reports to the studio library or put them straight on the air Here s how The basic voice recorder app on your phone may not have all the features you need for journalism but there are plenty of more suitable recording apps available for both iPhone and Android For instance searching for ogg recorder in the Play Store on an Android phone yields plenty of alternatives The following example uses RecForge Lite because of its configurable recording formats This free app is limited to three minutes per recording but there is an unrestricted version available at very modest cost In t
199. ual host for the piwik web interface in etc apache2 sites available piwik vhost conf setting the ServerName as appropriate for your server lt VirtualHost 80 gt ServerName stats example com DocumentRoot usr share piwik Include conf d piwik lt VirtualHost gt 5 Enable the virtual host and reload the web server sudo a2ensite pwiki vhost conf sudo invoke rc d apache2 reload 6 Open the ServerName that you set for Piwik in your browser You should see the Piwik setup pages Provide the MySQL database and Piwik Super User details when requested If you intended to use Piwik for Icecast statistics only you can skip the step JavaScript Tracking Code 146 PIWI K Open Source Web Analytics 1 Welcome super User 2 System Check 3 Database Setup super user login piwikroot 4 Database Check 5 Creating the Tables ng password 5Bo BR BB BO Bo 5B 5 6 Super User pas sword repeat email admin 8example com email me with major Piwik upgrades and security alerts email me with community updates new plugins new fe 7 Uncomment the last line in the crontab file etc cron d piwik and set your Pwik ServerName to enable automatic archiving every five minutes 5 www data e usr share piwik misc cron archive php amp amp x usr bin php amp amp usr bin php usr share piwik misc cron archive php yrl http stats example com dev null 2 gt amp 1 See http piwi
200. uch as http airtime example com apc php You will then be able to confirm that APC is working and view some statistics for the cache airtime example com apc php SCOPE D amp SORT1 H amp SORT2 D amp COUNT 20 amp OB Opcode Cache Refresh Data view Host Stats System Cache Entries lt General Cache Information Host Status Diagrams APC Version 3 1 3 1 Usage PHP Version 5 3 2 1ubuntu4 18 APC Host localhost office 127 0 0 1 Server Software Apache 2 2 14 Ubuntu Shared Memory 1 Segment s with 30 0 MBytes memory pthread mutex locking Start Time 2013 03 06 11 31 11 Uptime 54 minutes File Upload Support 1 File Cache Information Cached Files 295 19 3 MBytes Free 10 5 MBytes Hits 240744 Used 19 5 MBytes Misses 296 REMOVE WEBMIN IF INSTALLED The webmin control panel http www webmin com has been known to remove Apache and PHP packages on Debian and Ubuntu systems which can cause the Airtime package to be removed in turn This problem is easily reversed by re installation of the affected packages but it has the potential to disrupt your broadcast playout from Airtime Webmin is not likely to be installed on your server unless your system administrator has installed it manually Thi
201. uch as the likes of SoundCloud do Or you can collect files licensed under an appropriate Creative Commons licence http www creativecommons org or other free content licence Explicit permission to stream on your particular server is always going to be the ideal so think about your own terms and conditions before you accept files from third parties for streaming How for example would you know if someone uploaded a file to your online radio station that unknown to you had been ripped from a commercially released CD That s the kind of thing that could get you in trouble with the licensing authorities and copyright holders USING AIRTIME 3 ON AIR IN 60 SECONDS 4 GETTING STARTED 5 SMARTPHONE JOURNALISM 3 ON AIR IN 60 SECONDS Here s how you can use Airtime to manage your broadcasts Chapter names in this book are shown in talics to help you find the details of each step if you need to read more Log in to your Airtime server with your Username and Password Getting started Airtime Mozilla Firefox File Edit View History Bookmarks Tools Help J Airtime 5 airtime example com login gt N d i a w Login Username admin Paso L s9s05050000500cc2c226 Language Login 2 Add your files to the Airtime library by clickingAdd media on the main menu then click the Add files button You can drag and drop your files into this window too Then click the Start upload button Ad
202. udo nano etc cron hourly airtime upload The script should import the newly uploaded files from the incoming folder specified using the CODy option and then remove the original uploaded files This step rather than simply using the watch option on the srv airtime uploads incoming folder ensures that the uploads SFTP account does not have direct write access to the Airtime storage archive That could be a security risk if the password was compromised bin sh Run the import script on fresh uploads airtime import copy srv airtime uploads incoming Clean the incoming directory to save disk space rm r srv airtime uploads incoming Finally the script should be made executable so that the cron daemon can run it sudo chmod x etc cron hourly airtime upload By default Debian and Ubuntu GNU Linux run cron hourly tasks at 17 minutes past each hour This value can be adjusted in the file etc crontab on the server if required Remote users should connect to the Airtime server using their client software of choice making sure that they specify an SFTP rather than FTP connection The remote directory for the clients to use would be srv airtime uploads incoming as configured above 121 gFTP 2 0 19 ETP Local Remote Bookmarks Transfer Log Tools Help Host Local Files P Filename ize P Filename 4 096 Jd Super Distortion 14 259 606 For additional security you could configure your Airtime server to u
203. uld be used with caution because it has no undo feature sudo rm r srv airtime sudo rm r etc airtime 103 27 SETTING THE SERVER TIME Accurate time keeping on your server is vital for Airtime performance You can confirm that the date and time of your server are set correctly with the date command date The server should respond with the date time time zone and year in a format similar to the following example Tue Jul 2 15 08 57 BST 2013 If the time on your server is wrong it is recommended that you take Airtime off air until the problem is fixed CONFIGURING NTP Although it is possible to set the date and time of the server manually this is not recommended because the server clock can drift over time compromising the accuracy of your broadcast schedule If your Airtime server is permanently connected to the Internet you can synchronize your server to a time server with the ntp program If ntp is not yet installed you can enter the following command on Debian or Ubuntu sudo apt get install ntp Optionally open the ntp configuration file in the nano editor to add further time server names sudo nano etc ntp conf On Ubuntu GNU Linux the default time server is ntp ubuntu com but there are many other time servers available on the public Internet including the group of servers listed at http www pool ntp org for each country Using a variety of NTP servers located closely to your Airtime server should produce the mos
204. uture versions of the GNU General Public License can be used that proxy s public statement of acceptance of a version permanently authorizes you to choose that version for the Program Later license versions may give you additional or different permissions However no additional obligations are imposed on any author or copyright holder as a result of your choosing to follow a later version 15 Disclaimer of Warranty THERE IS NO WARRANTY FOR THE PROGRAM TO THE EXTENT PERMITTED BY APPLICABLE LAW EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT HOLDERS AND OR OTHER PARTIES PROVIDE THE PROGRAM AS IS WITHOUT WARRANTY OF ANY KIND EITHER EXPRESSED OR IMPLIED INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM IS WITH YOU SHOULD THE PROGRAM PROVE DEFECTIVE YOU ASSUME THE COST OF ALL NECESSARY SERVICING REPAIR OR CORRECTION 16 Limitation of Liability IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING WILL ANY COPYRIGHT HOLDER OR ANY OTHER PARTY WHO MODIFIES AND OR CONVEYS THE PROGRAM AS PERMITTED ABOVE BE LIABLE TO YOU FOR DAMAGES INCLUDING ANY GENERAL SPECIAL INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE USE OR INABILITY TO USE THE PROGRAM INCLUDING BUT NOT LIMITED TO LOSS OF DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD PARTIES OR A FAILURE OF THE PROGR
205. ve deployed Airtime using the method shown in the Automated installation chapter you can upgrade the same way A new Airtime package available in the Sourcefabric repository can be installed with sudo apt get update sudo apt get upgrade If you have used the method shown in the Manual installation chapter you should repeat the installation steps of downloading and unpacking the tarball to an installation directory or pulling from the git repository and running the airtime install or airtime full install script The installation script will detect an existing Airtime deployment and back up any configuration files that it finds After the upgrade has completed you may need to clear your web browser s cache before logging into the new version of the Airtime administration interface If the playout engine starts up and detects that a show should be playing at the current time it will skip to the correct point in the current item and start playing In Airtime 1 9 0 onwards the concept of linked files was replaced with the concept of watched folders If you are upgrading from a version of Airtime earlier than 1 9 0 and you have previously linked files the folders they are in will not be watched until you add them to your watched folder list See the chapter Media Folders for more details UPGRADING THE SERVER DISTRIBUTION After your Airtime server has been deployed for a few years you may need to upgrade the GNU Linux distribution that it ru
206. ve sufficient items meeting the specified criteria in your Library To override the default behaviour check the Allow Repeat Tracks box If you have a large number of files which meet the criteria that you specify you may wish to limit the duration of the smart block using the Limit to field so that it fits within the show you have in mind Selecthours minutes or items from the drop down menu and click the Generate button again if it is a static smart block Then click theSave button Smart blocks can be added to shows in the same way as a manually created playlist is added Smart blocks can also be added to one or more playlists In the case of a playlist containing a static smart block click Expand Static Block to view the contents For a dynamic smart block you can review the criteria and duration limit by clicking Expand Dynamic Block Delete 5 i 7th Galaxy feat Bufford 14KT remix 3 50 0 Dennis Coffey 3250 0 All Your Goodies Are Gone feat Mayer Hawthorne 1 3 38 5 x Smart Block Expand Static Block 1 04 23 2 x admin 1151 7 Hollywood Freaks Beck Get Real Paid Beck Gene Jimi Tenor amp Tony Allen Darker Side Of Night Jimi Tenor amp Tony Allen Walk Jimi Tenor amp Tony Allen Once created smart blocks can be found in Library searches and refined at any time They can be re opened by clicking on the smart block and selecting
207. vered work if you are a party to an arrangement with a third party that is in the business of distributing software under which you make payment to the third party based on the extent of your activity of conveying the work and under which the third party grants to any of the parties who would receive the covered work from you a discriminatory patent license a in connection with copies of the covered work conveyed by you or copies made from those copies or b primarily for and in connection with specific products or compilations that contain the covered work unless you entered into that arrangement or that patent license was granted prior to 28 March 2007 Nothing in this License shall be construed as excluding or limiting any implied license or other defenses to infringement that may otherwise be available to you under applicable patent law 12 No Surrender of Others Freedom If conditions are imposed on you whether by court order agreement or otherwise that contradict the conditions of this License they do not excuse you from the conditions of this License If you cannot convey a covered work so as to satisfy simultaneously your obligations under this License and any other pertinent obligations then as a consequence you may not convey it at all For example if you agree to terms that obligate you to collect a royalty for further conveying from those to whom you convey the Program the only way you could satisfy both those terms and th
208. wn at the end of theLive Stream Input section 66 RECORD amp REBROADCAST In the Record amp Rebroadcast section checking the Record from Line In box enables automatic recording of the soundcard line input if your Airtime server has one at the time of the show Shows set for line in recording should not also contain files or playlists The default audio format for live recordings is 256kbps Ogg Vorbis and the files are saved in the recorded folder under the Import Folder path set in the Media Folders page on the System menu See the chapter Host configuration for details of recorder settings If you wish the recording to be played out at a later time check the Rebroadcast box and then select up to ten date and time slots in the Choose Days box Shows set for recording have a small red dot icon in the calendar while rebroadcast shows have a white loop icon 18 00 19 00 Funk Show cu WHO In the Who section type the first few letters of the name of the show s DJ presenter in the Search Users field to select a name from the Airtime database or check one of the DJs boxes in the vertical list below This association of a DJ name with a particular show enables that presenter to add playout media to the show and also to connect a live Show Source input stream if that has been enabled so it is important to get the DJ s name right 67 Add this show STYLE Show colours in the Calendar are set automatically ba
209. y m4 Gateway laptops with EAPD control gateway m4 2 Gateway laptops with EAPD control panasonic Panasonic CF 74 auto BIOS setup default STAC9205 9254 ref Reference board dell m42 Dell unknown dell m43 Dell Precision dell m44 Dell Inspiron eapd Keep EAPD on e g Gateway T1616 auto BIOS setup default STAC9220 9221 ref Reference board 3stack D945 3stack 5stack D945 5stack SPDIF intel mac vl Intel Mac 1 intel mac v2 Intel Mac Type 2 intel mac v3 Intel Mac Type 3 intel mac v4 Intel Mac Type 4 intel mac v5 Intel Mac Type 5 intel mac auto Intel Mac detect type according to subsystem id macmini Intel Mac Mini equivalent with type 3 macbook Intel Mac Book eq type 5 macbook pro vl Intel Mac Book Pro 1st generation eq type 3 macbook pro Intel Mac Book Pro 2nd generation eq type 3 imac intel Intel iMac eq type 2 imac intel 20 Intel iMac newer version eq type 3 ecs202 ECS PC chips dell d81 Dell unknown dell d82 Dell unknown dell m81 Dell unknown dell m82 Dell XPS M1210 auto BIOS setup default STAC9202 9250 9251 ref Reference board base config ml Some Gateway MX series laptops NX560XL ml 2 Some Gateway MX series laptops MX6453 m2 Some Gateway MX series laptops M255 m2 2 Some Gateway MX series Laptops m3 Some Gateway MX series laptops m5 Some Gateway MX series laptops MP6954 m6 Some Gateway NX series laptops auto BIOS setup default STAC9227 9228 9229 9
210. ystems on a Debian or Ubuntu server you can reconfigure the tzdata time zone data package with the command sudo dpkg reconfigure tzdata This command opens a menu in which you can select the continent that you require by pressing the Enter key 104 Package configuration Configuring tzdata Please select the geographic area in which you live Subsequent configuration questions Will narrow this down bu presenting a list of cities representing the time zones in which they are located Geographic areat Africa America Antarctica Australia Arctic Asia Atlantic Indian Pacific System Uus Etc Cancel The next step is to select your nearest city again by pressing the Enter key The appropriate time zone is selected according to the information that you have entered Package configuration Configuring tzdata Please select the city or region corresponding to your time zone Time zone Bratislava Brussels Bucharest Budapest Chisinau Copenhagen Dublin Gibraltar Guernsey Helsinki Isle of Han Istanbul Jersey Kaliningrad Kiev Lisbon Ljubljana 1 gt The console output from the dpkg reconfigure tzdata command will confirm the new setting Current default time zone Europe London Local time is now Universal Time is now Tue Jul 2 15 18 01 BST 2013 Tue Jul 2 14 18 01 UTC 2013 105 28 29 30 3l 32 33 34 106 ADMINISTRATION P

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