Live Video Broadcasting over BGAN
Contents
1. Settings M4 Phone BGAN BGAN BGAN 64kbps 128kbps 256kbps 256kbps CIF Target Bitrate 55kbps Okbps 220kbps 220kbps VBR Buffer Size 0 8s 0 8s 0 5s 0 8s FEC Off Off Off Off Video Resolution QVGA QVGA QVGA CIF Color Profile 4 2 0 4 2 0 4 2 0 4 2 0 Closed Captions Off Off Off Off Prefer Quality 300 40 300 40 300 40 300 40 o Frame Rate Frame rate 1 3 1 2 1 2 1 2 Change Key Frame 300 300 300 300 Min Max Filter Off Off Off Off Soft Filter Off Off Off Off Overlapped DCT On On On On Filter De interlace Off Off Off Off Swap Field Order Off Off Off Off Monitor CPU Off Off Off Off Usage 5 2 omer 5 4 15 34 NOTE Live Video Broadcasting over BGAN Live Preview Off Off Off Off Audio Codec CELP CELP CELP CELP Audio Channels Mono Mono Mono Mono Audio Capture 48000kHz 48000kHz 48000kHz 48000kHz Frequency these options require progressive video QVGA and CIF are progressive half field 1 2 DI requires de interlacing with options ON Open the Presets menu and store the settings for your 256 Kbps BGAN connection Enter a destination IP address Decoder or Server in the Network menu It is also recommended that you change the packet size to 1360 in the same menu Open a BGAN streaming IP connection using BGAN LaunchPad The video will automatically stream to the Decoder destination IP address However the local image will not get updated unless you select Live Preview from the Encoder s video men2. Real Time Protocol The H 323 protocol covers all aspects of telephony and conferencing including capability exchange conference control basic signalling Quos registration service discovery gateways etc SIP SIP Session Initiation Protocol is defined by the IETF Internet Engineering Task Force and is a relatively simple protocol when compared to H 323 It is designed to be modular allowing the protocol to be extended to cover specific applications SIP is defined as being responsible for basic call signalling user location and registration Whereas H 323 can operate in a peer to peer mode two SIP users require a SIP server in order for them to communicate SIP clients send a series of messages defined in the Session Description 3 5 4 0 10 34 Live Video Broadcasting over BGAN Protocol to the server in order to set up a call with another user The client must first register with the server then invite the other user to join a call The SDP message will detail what is to be included in the call audio video Codecs etc Once the call recipient has accepted the call by responding to messages from the SIP server the actual data connection is set up directly between the two SIP users The data connection uses the RTCP and RTP protocols as for H 323 Protocol requirements Both H 323 and SIP use the same data transport protocols to send and receive data across the BGAN network The applications that use these p
3. To get the best possible quality from live video streaming Inmarsat recommends that you use an end to end dedicated streaming IP connection directly from your Distribution Partner to your headquarters global network Inmarsat only guarantees streaming connections up to the Distribution Partner s point of presence POP Inmarsat cannot control quality of service if the stream is routed over the public Internet For the highest quality video use the 256kpbs streaming IP connection offered on both the HNS 9201 and the Thrane amp Thrane EXPLORER 700 Inmarsat recommends that you use BGAN LaunchPad to interface with the terminal of your choice 6 1 17 34 Live Video Broadcasting over BGAN Network and Connectivity Options Quicklink Inmarsat BGAN Connectivity options Live 265Kb Private Wire Inmarsat SH cut Video Audio tak back Tales Amster gm eeselal Sermice Providers Central FAlaypout Sarar Camera Ruggerdiged Tablet PC Laptop The solution consists of a decoder box which is kept at the studio and a software encoder which can be loaded onto a laptop at the client side Connect the camera to the software encoder using a firewire cable Connect the laptop to the BGAN terminal using any standard interface such as Ethernet recommended USB and WiFi The video is captured and compressed using QuickLink s proprietary codecs optimized for transmission over the BGAN network The studio then receives the stream wh
4. Understanding codecs A codec is the name given to the encoding decoding algorithm that compresses and decompresses audio video data The effectiveness of a streaming IP connection is determined partly by the codec A high compression codec will provide the data stream quickly but at low quality In general compression schemes can be classified as lossy and lossless e Lossy compression schemes reduce the size of the data stream by discarding some data during the encoding process before it is sent over the BGAN network Once received on the client side the codec attempts to reconstruct the information that was lost or discarded Lossy compression offers data savings of around 10 1 If a voice file was compressed using lossy compression silence would be removed and both high and low frequency data may be lost from the data stream The resultant file could sound different to the original depending on how aggressive the codec was e Lossless compression simply squeezes data into smaller packets of information without permanently discarding any of the data Lossless compression algorithms usually require more computing power to compress and decompress the data stream and do not give the same data savings as lossy compression If a voice file was compressed using lossless compression it could still be encoded in order to reduce the size but no data would be lost The resultant file would sound exactly the same as the original Codecs typic
5. e Setting up QuickLink on page 16 Setting up Livewire M Link on page 20 e Setting up Clipway Store and Forward on page 22 e Setting up the Canon WiFi camera Store and Forward on page 25 e Setting up the Nikon D2H WiFi camera Store and Forward on page 29 In addition you can set up a streaming IP connection in BGAN LaunchPad dedicated to your video conferencing application Refer to Setting up a video broadcast connection in LaunchPad on page 31 3 0 Bal 6 34 Live Video Broadcasting over BGAN Understanding audio video protocols This section explains IP data connections over BGAN data compression algorithms and the data transfer protocols and audio video protocols used to ensure effective audio video solution over BGAN Selecting the right terminal and Quality of Service The BGAN terminal provides two classes of connection standard IP and streaming IP On a standard IP connection traffic throughput varies depending on terminal and network usage Streaming IP differs from standard IP in that it offers a guaranteed consistent connection rate provided network resources are available end to end TIP Inmarsat strongly recommends that you use a streaming IP connection for live audio video applications The streaming rates provided by the BGAN terminals differ as shown in the following table Terminal Standard IP Streaming IP up to HNS 9201 492kbps send 32kbps
6. video standard will be denoted with an N or a P Click the Compress button on the compression window to compress the file On the main window another video displays in blue to indicate that video has been compressed You can now transmit the video To transmit the video click on the Transmit button The transmit window is displayed To configure where to transmit the video click the settings button Pc You can now enter a name for the server and an IP address Select the BGAN radio button and enter one of the following into the Speed Kbits s text box The speed entered here is only to give you an estimate of the transmission time and will not affect the actual throughput of your transfer e 230k for a 256kbps streaming connection e 110k fora 128kbps streaming connection e 56k for a 64kbps streaming connection e Xx for a standard connection Once the settings have been entered press the settings button again to close the screen Click the Transmit button on the transmit window to begin the transfer You can view what the estimated remaining time is by clicking on Connected time to toggle to remaining time The Speed reported is the average over the entire transfer To see current throughput you must view the throughput reported on the server side 9 0 25 34 Live Video Broadcasting over BGAN Note the following e If the connection does not connect make sure that the server side application is open e Clipway supports m
7. 64kbps 28kbps 256kbps Thrane amp Thrane EXPLORER 700 492kbps receive Thrane amp Thrane EXPLORER 500 464 kbps send 32kbps 64kbps 128kbps 448 kbps receive Nera WorldPro 1000 1010 384kbps send 32kbps 64kbps Thrane amp Thrane EXPLORER 300 240kbps receive You can also link your audio video application to a particular streaming class connection To do this you must configure a dedicated streaming IP connection and use a traffic flow template to ensure that only the AV traffic is transmitted over that particular connection All other traffic uses the standard IP connection To set up this connection refer to 1 0 Setting up a video broadcast connection AV connection Last mile connectivity If you want to use BGAN for live video and audio streaming traffic using UDP based applications Inmarsat recommends that you investigate and implement last mile routing arrangements which guarantee end to end QoS This is particularly important for UDP based applications running over a Streaming IP connection on BGAN To maintain throughput and quality it is important that QoS is maintained across the terrestrial last mile link as well as the satellite interface BGAN Distribution Partners and Service Providers can provide details of available interconnect options 3 2 7 34 Live Video Broadcasting over BGAN Dedicated Line fram BRAN OP guaranteed by Inmarsat Guaranteed by BaN DF Last mile connectivity
8. BGAN LaunchPad to switch off packet retransmission for your streaming IP connection before you open the streaming IP connection e Make sure you switch off any windows or MAC auto download while doing live broadcast e Test your solution before take it out in the field e Use a correct format camera that is PAL or NTSC e Configure your decoder with a static IP address that can be accessed from the BGAN terminal e Inmarsat recommends that you do not use any VPN connection for live broadcast as it can add extra VPN overheard of between 10 40 based on your VPN application Setting up Streambox ACT L3 Streambox ACT L3 and Inmarsat BGAN provides the ideal mobile solution for live satellite news gathering The high compression low latency video transport system delivers unrivalled quality over the BGAN network Streambox enables you to deliver live or stored video whenever and wherever it is needed The Streambox BGAN News Gathering solution consists of the following e Streambox Portable Encoder s o Streambox Portable Encoder laptop format o Streambox SBT3 7500 Encoder e Streambox Distribution Server s e Streambox SBT3 Decoder s o Streambox SBT3 5100 Decoder o Streambox SBT3 7100 Decoder e Streambox IFB Client s e Streambox IFB Server s e Streambox Store and Forward The Servers and Decoders are typically located at the studio The Portable Encoders or the SBT3 7500 Encoders are located on the client side The ca
9. BGAN solutions guide Live Video Broadcasting over BGAN Version 01 05 10 06 www inmarsat com bgan Whilst the information has been prepared by Inmarsat in good faith and all reasonable efforts have been made to ensure its accuracy Inmarsat makes no warranty or representation as to the accuracy completeness or fitness for purpose or use of the information Inmarsat shall not be liable for any loss or damage of any kind including indirect or consequential loss arising from use of the information and all warranties and conditions whether express or implied by statute common law or otherwise are hereby excluded to the extent permitted by English law INMARSAT is a trademark of the International Mobile Satellite Organisation Inmarsat LOGO is a trademark of Inmarsat IP Company Limited Both trademarks are licensed to Inmarsat Global Limited Inmarsat Global Limited 2006 All rights reserved DY inmarsat 2 34 Live Video Broadcasting over BGAN Contents 9 0 71 10 0 10 1 10 2 11 0 12 0 Introduction About this guide Other sources of information Introducing audio video over BGAN Introducing broadcasting solutions Setting up and using broadcasting solutions Understanding audio video protocols Selecting the right terminal and Quality of Service Understanding codecs Understanding bit rates Introducing protocols Protocol requirements Introducing broadcast solutions Performance over BGAN General recom
10. Pad allows the configuration of error correction Inmarsat recommends that you disable error correction for UDP applications Refer to BGAN LaunchPad Help for details H 323 The H 323 protocol is defined by the ITU T International Telecommunications Union It describes how real time multimedia communications can be exchanged on packet based networks The standard was drawn up following collaboration between traditional telephony experts and those from the computer communications arena In addition to fully interactive media communications such as video conferencing H 323 also has provisions for other forms of communication such as multi media streaming The complete specification documents can be found at http www itca org During a point to point H 323 call an initial TCP connection is made using default port 1720 Data is exchanged over this connection using Q 931 packets to determine which port will be used for the actual multi media connection Once this port has been decided an H 245 connection is made to the new port The H 245 protocol handles all of the call parameter negotiations such as which codecs to use H 245 also has commands that make UDP connections Once the audio and video codecs and parameters have been negotiated the H 245 session starts the underlying data stream The data stream consists of an RTCP Real Time Transport Connection Protocol connection UDP and the actual data stream which uses the RTP
11. able Connect the laptop to the BGAN terminal using any standard interface such as Ethernet recommended USB and WiFi The video is captured and compressed using Clipway WinMedia 9 codecs optimized for transmission over the BGAN network The studio then receives the file on Clipway server for editing Prerequisites As a minimum you must have the following equipment e DV Camera or Analogue camera with DV converter e Clipway client Windows laptop e BGAN terminal e Clipway server studio room Inmarsat recommends that you use BGAN LaunchPad to interface with the terminal of your choice and that you open your IP data connection using BGAN LaunchPad Setting up the client The following is the main interface of Clipway Exit clipway Delete Attach another file Capture Transmit fart File name StciGiual Video Time Transmission duration View Video Compress Encode To set up Clipway client If you haven t done already connect your DV camera to the PC If the camera is not connected or has not been detected the camera icon will remained greyed out 2 Once the camera is connected to the computer click the capture button This will open up the capture window You can control the video in the capture window by using standard video controls 3 Once you are ready to capture press Play and then press the Record button on the bottom right The button will display a red light to show that it is ac
12. al 26 34 Live Video Broadcasting over BGAN Medium Superfine 2 0MB 2272 x 1704 Fine 1MB Normal 556KB Medium 2 Superfine 1002KB 47 1600 x 1200 Fine 558KB 839 Normal 278KB 1590 Small Superfine 640 x 480 Fine Normal Recommendations e The Canon WiFi Camera only works with Windows XP SP2 at the moment e Inmarsat recommends a standard IP data connection to send images e Use TCP PEP for faster uploads in particular when sending small individual files 9 1 Setting up the Camera You can only connect the Cannon WiFi camera through Wireless connections to HP compatible printers or computers So you also must have a computer connected to the BGAN terminal The camera transfers the images to your computer then a third party application automatically uploads the images over BGAN There are a number of applications that you can buy that will automatically sync files Inmarsat has found two freeware shareware applications e Goodsync available from http www goodsync com e Netdrive available from http www acs uwosh edu novell netdrive htm Currently Goodsync does not support FTP natively However you can use third party software adapters that transform Internet folders into local drives on your computer Inmarsat recommends using the free utility available from Novell Inc called NetDrive To set up this software for use with the camera Download both these pieces of software and install them 2 Conf
13. ally used combine elements of both compression schemes in this way for example silence can be discarded from a voice file but all non silent parts retained and compressed Streaming IP applications over BGAN must therefore choose a codec that will provide the necessary quality of stream whilst reducing the data rate as much as is possible The tested applications described in this document all come with their own coding schemes Some allow you to change various settings which can make a difference in the way the application works over BGAN cae 3 4 8 34 Live Video Broadcasting over BGAN Understanding bit rates Audio Video solutions are designed to use either Constant bit rate or Variable bit rate depending upon the network behaviour BGAN s streaming IP connection is different to ADSL type IP networks as the BGAN network supplies the requested Quality of Service QoS from the time you request the connection until you disconnect It is important to understand the difference between Constant bit rate and Variable bit rate as the quality of the audio video solution over BGAN may vary depending upon whether the solution uses Constant or Variable bit rate Constant Bit Rate Constant bit rate is recommended for use with streaming applications over the BGAN streaming IP service as the output from the codec is sent in a steady stream with a fixed bit rate Since the BGAN streaming IP service is assigned to a specific QoS 32kbps 64kb
14. are detected and from the drop down box select minute Options Good Sync is Application User interface Fal Event log td C Through the specified period i The application automatically checks For file changes at the indicated Frequency The application analyzes the Folders defined For the synchronization job to determine how they have changed Detected changes Jl Default Profile R Gara E SAAE 4 gies ec Z are automatically propagated to the partner synchronization Folder s To minimize the impact of the a General application on system performance choose the largest time interval possible consistent with your Mew Job 1 requirements E Automatic Synchronization When File changes are detected Delay The program constantly monitors the source Folder for both Folders in all way sync mode to detect file changes When any change is detected the application schedules the defined synchronization job to begin after the specified number of minutes elapses Note if a subsequent change in a monitored Folder is detected the synchronization job is rescheduled to execute after the specified wait period So the defined synchronization job does nok execute until no changes in the monitored Folders are detected For the specified number of minutes Due to system limitations this option may not detect file changes on some network devices WV Inclusion and Exclusion Filte g l File Ve
15. e communications is useful but not essential The sections include Introducing audio video over BGAN introduces broadcasting solutions and lists the pre requisites and the tested solutions Understanding audio video protocols lists the terminals and connection types available over BGAN and explains codecs bit rates and IP protocols Introducing broadcast solutions details performance over BGAN and provides general recommendations Setting up Streambox ACT L3 setting up the client and server for Live or Store and Forward broadcasting Setting up Quicklink setting up the client and server for Live or Store and Forward broadcasting Setting up Livewire M Link setting up the client and server for Live or Store and Forward broadcasting Setting up ClipWay setting up the client for Store and Forward broadcasting Setting up the Canon WiFi camera setting up the camera for Store and Forward images Setting up Nikon D2H WiFi camera setting up the camera for store and forward images Setting up a video broadcast connection in LaunchPad describes how to set up a dedicated streaming IP data connection for use with your video broadcasting application 2 Other sources of information This is one of a series of PDF documents that make up the BGAN Solutions Guide The Solutions Guide is designed to help you make the most of your BGAN terminal Other documents in the series are available for download from www
16. er an IP address for the Camera o For the HNS 9201 this must be in the 192 168 128 101 range o For the EXPLORER 700 this must be in the 192 168 0 2 range It is recommended that you use DHCP and check the Obtain Automatically check box e Enter 255 255 255 0 for the subnet mask e Enter the gateway address for the BGAN terminal o For the HNS 9201 enter 192 168 128 100 o For the EXPLORER 700 enter 192 168 0 1 e If you are not using an IP address for you FTP server you must enable DNS and enter a DNS address o For the HNS 9201 open BGAN LaunchPad and from the main menu select Terminal gt IP configuration Enter the address listed in upper field o For the EXPLORER 700 the DNS address is 192 168 0 1 10 2 1 0 31 34 Live Video Broadcasting over BGAN Network Settings FTP Settings e Server Enter the FTP server address that you want to upload the images to e User Enter a username and password for the FTP server e Proxy If you need to connect to the FTP server through a proxy you must enter the details here e Advanced Enter Port information and if you want to use Passive mode check the box next to PASV mode You are now ready to begin taking pictures with automatic transfers As long as you are in range of the BGAN terminal your pictures will be automatically be uploaded to your desired FTP site as you take them NOTE Your BGAN terminal must be set to register and activate a standard IP data connection automat
17. for the recipient server your QuickLink decoder and its IP address 6 3 Making a Live broadcast To make a live broadcast Select the Live Broadcast option The following screen is displayed Speaker Connection Type 256K INMARSAT RSAT 256Kb line with DV preveew vath 132Khz Audio Camera States Ready Sent KSes 0 Received Kb Sec i 2 Select the appropriate Connection Type 3 Select the recipient 4 Click Connect to start your live broadcast You can also send messages to server using the text box at the bottom of the window 5 Once the broadcast is complete click Hangup to disconnect and Close to return to the main screen To receive live broadcasts or video feeds start up the server application QuickLink Live Start 6 4 19 34 Live Video Broadcasting over BGAN QuickLink Live Start is used for live broadcasts and must be active before a broadcast is started from the remote BGAN terminal end The following screen shot shows the interface on the server side BGAN Preview Microphone Speaker Audio Transmit Driver Making a Store and Forward broadcast To store and forward a video to the server you must first either capture a video or import one To import a video simply select Import Video File To capture a video Make sure your camera is connected to the computer 2 Select Capture Video to display the capture window 3 Change the Capture Mode on the main toolbar to Capture in
18. h on the camera The Auto transfer option is only available when you have successfully connected to your chosen SSID Now when you take a picture it is instantly transferred to your computer NOTE Each time you want to use the camera in wireless mode you will need to return to the Wireless menu and connect the camera to the SSID The camera configuration is complete The last thing to do is setup Goodsync for automatic transfer To do this Open up Goodsync 2 Click on Browse and select the local directory that receives the camera images you selected this directory as part of the camera set up process described above 28 34 Live Video Broadcasting over BGAN P DL 10 Ban Good Sync File Edit View Job Language Help 1 a gt Good Sy nce version 4 6 3 gt file synchronization that works gt New Job 1 t t Remote 08 09 2006 22 34 Application started profile default profile Click on the remote Browse button and select the virtual drive that you created at the start of this guide using Netdrive Enter the directory on the FTP server that you want to upload your images to Click on the large green arrow in the centre of the screen Change the radio buttons so that the arrow points from the local to the remote side exclusively From the menu at the top click on view gt gt options From the options page click on Automatic Synchronization Check the box next to When file changes
19. he WT I wireless access point pack 4 Plug in the USB cable remove the protecting rubber cover on the bottom of the camera and secure the locking wheel on the WT I If the VVT I wireless access point is connected properly the Power light on the access point should go green 5 Turn the camera back on and return to the setup menu There will now be a Wireless LAN option in the setup menu 6 Select Wireless LAN and make sure that e The Transceiver is on e Auto send is switched on e You have selected the type of file you want to send NOTE Sending Images as NEF produces very large File sizes which take longer to send Network Settings Camera Wireless Settings You will also need to set up the camera to talk to the HNS 9201 or the Thrane amp Thrane EXPLORER 700 You can do this by going to Network Settings in the Wireless LAN menu 30 34 Live Video Broadcasting over BGAN NOTE Make sure that you have turned on the wireless interface on the BGAN terminal and that you know the SSID To set up the camera wireless settings select the Wireless option and make sure that you e Change the Communication mode to Infrastructure e Change the SSID to the SSID of the BGAN terminal e Enter encryption the information under the Encryption menu if encryption is set on the BGAN terminal You do not need to enter any information under Channel iso QUAL WD uc inna g Network Settings TCP IP Settings e Under IP Address ent
20. ically NOTE As the WT I Access Point draws it power directly from the camera the battery will not last as long as you may be used to Setting up the BGAN terminal This section explains how to set up the BGAN terminal for use with the Nikon D2H WiFi camera Equipment needed e Nikon D2H camera e Nikon WT I Wireless Access Point e HNS 9201 terminal or EXPLORER 700 terminal HNS 9201 Set up the terminal to establish a Standard IP data connection automatically EXPLORER 700 Point and register the terminal on the BGAN network as normal When you take the picture the camera should automatically open a PDP data connection and start to transfer your images This is indicated by the blinking busy light on the WT I access point Setting up a video broadcast connection in LaunchPad Inmarsat recommends that you configure a data connection in BGAN LaunchPad that is dedicated to your video broadcasting application You can then open a video broadcasting connection when required by clicking on an icon in BGAN LaunchPad 32 34 Live Video Broadcasting over BGAN To do this Open BGAN LaunchPad and click on the Data icon A screen similar to the following is displayed Connection contral 2 Disconnect Standard Connect 32 Streaming View Connection status of terminal Connect 64 Streaming R Click on Advanced The following screen is displayed Connections Tab Standard Exist
21. ich is decoded in the QuickLink server ready for a Live ON AIR broadcast The decoding server is capable of receiving multiple streams from multiple BGAN terminals which could be located at a number of locations around the world Setting up the client encoder Before you start make sure that BGAN LaunchPad is installed on the Streambox encoder To set up your QuickLink encoder Connect the camera to the computer and ensure that it is configured properly Start up QuickLink Select the Creation and Transmission Application on the computer Select one of the following options e Capture Video for Store and Forward Captures a video encodes it and then sends it to the server immediately or later Refer to Store and Forward below e Import Video File imports a video file pre encoded from the hard disk and sends it to server e Send View File sends a previously recorded video or enables viewing before sending e Live Broadcast starts a Live broadcast to the server AWN 18 34 Live Video Broadcasting over BGAN 6 2 Setting up a server address Before sending a video or live broadcast you must specify the server address To do this Select Settings gt Connections on the main toolbar The following window is displayed Create or remove connections Entry Recipient Name Address NAB 67 109 1 131 quicklink 161 30 105 196 QUICKLINK Recipient Name Address 2 Add the name
22. igure Netdrive as follows a Launch Netdrive and click on New Site b Enter the information for your FTP Server and select a free Drive letter Netdrive will create a virtual drive on your computer which is your FTP server 3 Configure the camera as described below A description of how to configure Goodsync is given later Configuring the Camera The first time you use the camera to upload data over BGAN you must configure the camera To do this Connect the camera to your computer using the USB cable 2 Turn on the camera in Playback mode 3 Once the camera is turned on press the Menu button on the back of the camera This opens the display menu 27 34 Live Video Broadcasting over BGAN 4 Press the right button labelled Set Flash in the image below to display the wireless menu Print Photo Movie Direct Review Image Viewfinder e Get Mien Self Change Access Set ISO Timer LECO Menu Flash Display 5 In the wireless menu click Reg Target Device This launches the Wireless setup Program on your computer 6 Follow the on screen instructions for setting up your connection Name your connection and enter the SSID of your BGAN device Remember also to select an Infrastructure connection and not an Adhoc connection Also choose a suitable location where the files will be stored on your computer 7 Once this is done the camera s LCD display returns to the wireless menu Select the Auto transfer option and switc
23. include Streambox ACT L3 Live and Store and Forward QuickLink Live and Store and Forward Livewire M Link Live and Store and Forward e Clipway Store and Forward e Canon WiFi Camera Store and Forward Images off the shelf 11 34 Live Video Broadcasting over BGAN e Nikon WiFi Camera Store and Forward Images off the shelf Each of the above applications is described in greater detail in the following sections Performance over BGAN The solutions were all tested to ensure that they work over the BGAN network Then a typical configuration was set up and the application data stream examined to see how much bandwidth is required to run the application TIP All these applications operate more effectively over a streaming IP connection than a standard IP connection Note the following e Ensure that you choose a streaming IP connection that matches the data requirements or settings of your application Leave some capacity for IP overheads when selecting the bandwidth Some of these solutions now have a built in BGAN profile for ease of use e Do not leave the application or the streaming IP connection active when not in use In addition to Live broadcast some of these solutions also offer Store and Forward capability for sending high quality video in highly compressed format without compromising on picture quality File sizes and transmission times The following table shows the typical file size
24. ing connection icons J2 Streaming 64 Connection quality 64 Streay OPM gt Move right Add new connection Hide Remove Cancel 33 34 3 4 Live Video Broadcasting over BGAN Click on Add new connection The Connection Configuration screen is displayed Select Create new Dedicated IP Data connection and click on OK The Dedicated Connection Tab screen is displayed as shown below DedicatedConnection lab Screen Alcon Select icon to represent this application O Application Trattic Flow Template Helect template to define which tra ffic is sent down this IP Pata conn Frp ection L__ CIF Data streaming service Desired Rate 32k wt Minimum Rate L USe error correction From the Icon menu select an icon to associate with your video broadcasting application In the Icon label text box enter a name for this connection e g Quicklink Streambox and so on Select the video broadcasting application you want to associate with this icon and icon label from the Application Traffic Flow Template check box The traffic flow template ensures that only traffic associated with the application can use this dedicated connection NOTE TFTs for Streambox and QuickLink are supplied with BGAN LaunchPad Contact your Service Provider if you require a TFT for any other video broadcasting application Select the Des
25. inmarsat com bgan Click on BGAN support then click on How to guides This Web site also gives further information on the BGAN service including Industry solutions Refer to BGAN LaunchPad Help for details on using BGAN LaunchPad Refer to the documentation supplied with your audio video broadcasting application for details on changing configuration and settings 2 0 pa 4 34 Live Video Broadcasting over BGAN Introducing audio video over BGAN The BGAN service enables remote offices or users to establish audio video communications with company headquarters or business partners anywhere in the world Audio Video solutions are divided into 3 main categories This guide covers Live audio video broadcasting only Each of the other categories is covered by its own Solutions Guide refer to the appropriate guide for details on the other categories e Broadcasting solutions Encoder amp Decoder based o Typically one way broadcast of live audio video from the field o Includes a high quality Store and Forward option for near real time breaking news coverage e Video conferencing solutions Hardware or Software based typically two way video conferencing between remote and fixed office e Remote surveillance solutions Remote IP camera typically a one way JPEG or motion video clip from field to fixed office when motion is detected alternatively the fixed office can access a live video stream remotely IMPORTANT It
26. ired Rate from the drop down list This is the QoS that you want to use for this connection Select the Minimum Rate from the drop down list This is the minimum QoS that you will accept for this connection Inmarsat recommends that you set the Minimum Rate to the same as the Desired Rate to ensure that you are allocated the data rate that you require If required change the error correction setting By default error correction is switched off because UDP applications do not require re transmission 2 0 34 34 Live Video Broadcasting over BGAN 10 Click on OK to save these settings The new icon is displayed in the Data connections screen in BGAN LaunchPad This connection is associated exclusively with your video broadcasting application Your video broadcasting application does not share the connection with any other traffic To open the video broadcasting connection from BGAN LaunchPad click on the icon that you created To close the data connection and the video broadcasting application and therefore your broadcasting call click on the video conferencing icon again NOTE If you close your video broadcasting application only the BGAN data connection remains open NOTE You can also start a video broadcast call by connecting to the BGAN network using one of the pre configured data connections and then opening the video broadcasting application in the normal way However the video broadcasting application has to share
27. is important that you select the correct BGAN terminal and streaming IP quality of service for the solution you want to use Refer to the appropriate Solutions Guide for details Symmetrical QoS over BGAN It is important to note that BGAN streaming IP offers symmetrical QoS For instance 256kbps streaming IP offers 256kbps in the up direction and 256kbps in the down direction Normally broadcast solutions only use the uplink return channel for live broadcast and the downlink forward channel for audio feed from news room studio You can also use BGAN 4K voice channel simultaneously but it is more efficient and cost effective to use BGAN streaming IP channel for both audio and video transmission Introducing broadcasting solutions The arrival of BGAN which utilises Internet Protocol IP and has a bandwidth capacity of up to seven times that of the Inmarsat GAN service has started a revolution in television coverage of breaking news BGAN certainly presents a compelling proposition to the professional broadcaster because the terminals are small and as easily portable as a laptop computer while the BGAN streaming IP service delivers high quality live video back to studio room from anywhere within the satellite foot print Typically BGAN service offers two core options for broadcasters e Live video which is typically transmitted one way from the field using Streaming IP data rates of up to 256Kbit or 64K ISDN e Store and forward video
28. mendations Setting up Streambox ACT L3 Setting up the client for Live broadcast Setting up the IFB client Setting up the client for Store and Forward broadcast Setting up the server Recommendations Optimizations Setting up QuickLink Setting up the client encoder Setting up a server address Making a Live broadcast Making a Store and Forward broadcast Recommendations Optimisation Setting up Livewire M Link Setting up the M Link client encoder Setting up the server Recommendations Optimization Setting up Clipway Store and Forward Setting up the client Setting up the Canon WiFi camera Store and Forward Setting up the Camera Setting up the Nikon D2H WiFi camera Store and Forward Configuring the camera Setting up the BGAN terminal Setting up a video broadcast connection in LaunchPad Support and feedback COPMPN DAU A A W W WZ 3 34 Live Video Broadcasting over BGAN 1 0 Introduction I About this guide This document describes the use of Live audio video broadcasting applications over the BGAN network explains the protocols used and how to optimize them and introduces some common off the shelf and professional solutions It also explains how to set up a dedicated streaming IP connection using BGAN LaunchPad This document is intended for end users Distribution Partners and Service Providers who either want to integrate an existing solution or looking for new audio video solution over BGAN A previous knowledge of satellit
29. mera is connected to the Portable Encoder via a firewire IEEE 1394 cable The SBT3 7500 Encoder features SDI and composite analogue video input The Encoders use any standard user interface to connect with the BGAN terminal for example Ethernet USB or WiFi The video is captured compressed and transported using Streambox s advanced video compression codec ACT L3 which is ideal for transmission over the BGAN network In a simple configuration the studio receives the stream which is decoded by the Streambox Decoder s for live on air broadcast 13 34 Live Video Broadcasting over BGAN __ H Portable iO Encoder BGAN Satellite Terminal gt Internet i DSL IFB Client ji IFB Server Distribution Server ___ UDP Video Audio Stream i Back Channel Connection o Say for Real Time Talkback TV Anch dai SBT3 Decoders News Studio Y On Air Broadcast Streambox end to end configuration The Streambox Distribution Server is capable of receiving multiple streams from multiple BGAN terminals located at separate locations around the world and of delivering video to several Streambox Decoders The Streambox IFB Server is used to provide a real time low latency talkback channel from studio to field reporters using the BGAN back channel Prerequisites To get the highest quality from live streaming Inmarsat recommends that you use a dedicated streaming IP connection directly from the distribution partner t
30. o your Headquarters Global Network Inmarsat only guarantees BGAN streaming connections up to the distribution partners point of presence POP There is no control of quality if the stream is routed over the public Internet For the highest quality video use the 256kbps streaming IP connection which is offered on both the HNS 9201 and the Thrane amp Thrane EXPLORER 700 Inmarsat recommends that you use BGAN LaunchPad to interfacing with the terminal of your choice 4 34 Live Video Broadcasting over BGAN Equipment Required Streambox Portable Encoder MAC or Windows compatible or Streambox STB3 7500 Encoder DV camera for Portable Encoder or Analogue SDI camera for STB3 7500 Encoder BGAN terminal Streambox STB3 5100 or Streambox STB3 7100 Decoder Optional components o Streambox Distribution Server o StreamboxIFB Server o Streambox Store and Forward 5 1 Setting up the client for Live broadcast To set up the client for live broadcast l 2 Install BGAN LaunchPad on the Streambox Encoder Launch the Streambox Encoder Streambox video transport solutions enable you to customize settings This optimises live video streaming over the BGAN streaming class service The recommended settings are usually preloaded as Presets on the Streambox Encoder The chart below lists the recommended settings for optimal quality over the BGAN streaming IP connection Please configure your Streambox Encoder as follows
31. on speed select the BGAN service required and then click on Transmit 5 For Live broadcast a Click on the Live icon b Select your destination c Select the encoding profile and the Streaming IP service at one of the following data rates 32kbps 64kbps 128kbps or 256kbps The available data rates depend on the terminal you are using lek 7 3 8 0 22 34 Live Video Broadcasting over BGAN Setting up the server To receive live broadcasts or video feeds from the remote side you just start up the server side applications Recommendations Optimization Remember to switch off error correction before you establish streaming class connection Setting up Clipway Store and Forward Clipway is a Store and Forward application which has built in capture compress and transfer capability integrated into one streamline application Clipway differs from other off the shelf applications in that it not only works with terrestrial networks and existing satellite products but is also customized for optimal performance over BGAN Inmarsat l 4 t intake Public Fix IP address a ClipWay Public Internet Client A q ClipWay Server ZS ow 8 1 23 34 Live Video Broadcasting over BGAN The solution consists of a server side software application which is kept at the studio and a software encoder which can be loaded onto a laptop at the client side Connect the camera to the software encoder using a firewire c
32. protocols are described below TCP and UDP TCP and UDP are transport protocols that are used to transmit data over IP connections The TCP protocol is configured to deliver data from end to end in a reliable manner It is connection oriented and provides flow control and retransmission of lost packets The UDP protocol is connectionless and designed for speedy delivery but does not guarantee reliability flow control or detection of lost packets 9 34 Live Video Broadcasting over BGAN TCP IP application will be more effective over Standard IP due to the nature of BGAN Standard IP service Typical corporate application i e Email Web browsing FTP etc uses TCP UDP is more suited to Streaming IP because if packets are lost they are ignored and packet transmission continues This may cause a slight loss of quality in the transmission but the transmission is not interrupted If the same packets were lost over a TCP connection TCP would stop delivery of further packets until the lost packets are successfully been retransmitted This would cause an unacceptable break in the flow of the application Therefore UDP thus gives streaming applications greater control over the data flow than TCP These characteristics mean that majority of the audio video applications use a combination of TCP and UDP where needed Typically call set up and data flow control is carried out using TCP The audio and video data is sent using UDP TIP BGAN Launch
33. ps 28kbps and 256kbps depending on the terminal Contact bit rate performs better than Variable bit rate This is because on a defined BGAN channel a Constant bit rate takes advantage of all the capacity of the streaming IP connection Variable Bit Rate Variable bit rate is designed to cope with variable network bandwidth such as that provided by ADSL or the BGAN standard IP connection which adjust audio video quality according to the available bandwidth A Variable bit rate solution has the capability to throttle back when it detects any packet drop or loss which typically occurs when IP traffic travels through a series of Internet routers This throttling back reduces the speed of data transmission and results in loss of video quality Variable bit rate solutions are therefore more suitable for a standard IP connection than a streaming IP connection Introducing protocols Inmarsat recommends that you use a streaming IP connection to send and receive video data A number of protocols can be used alongside the streaming connection to control the data flow and provide additional video broadcasting capabilities The following two transport protocols are for the general transmission of data over IP e TCP e UDP Protocols that are specific to video solutions over IP are relatively new and still evolving The following two main sets of call control protocol are in use by the Internet at the time of publication e H 323 e SIP All these
34. rection before you establish a streaming IP connection Setting up Livewire M Link Livewire M Link solution is based on the latest H 264 AVC codec an industry standard video codec that has seen a steady rise in adoption by companies such as Apple Sony Intel Motorola and Tandberg H 264 AVC is key to the delivery of High Definition TV and offers stunning performance over limited bandwidth connections Livewire has an integral support for establishing the requisite BGAN IP service for Live and Store and forward workflows This provides a simple one click operation through one single M Link user interface Files MPEG 2 p SDI IN Composite Video DV BGAN A Hii Sp SS Internet M Link Exchange Server M Link Voyager Video Camera Livewire M Link end to end configuration The solution consists of a decoder box which is kept at the studio and a software encoder which can be loaded onto a laptop at the client side Connect the camera to the software encoder using a 7 1 21 34 Live Video Broadcasting over BGAN firewire cable Connect the laptop to the BGAN terminal using any standard interface such as Ethernet recommended USB and WiFi The video is captured and compressed using Livewire H 264 AVC codecs optimized for transmission over the BGAN network The studio then receives the stream which is decoded in the Livewire server ready for a Live ON AIR broadcast The decoding server is capable of recei
35. rotocols use different encoding techniques however In addition the applications normally impose a higher level protocol to control the user session For instance whilst Yahoo Messenger and iChat may both use the SIP protocol for audio and video the applications must first initiate a session using their respective Instant Messaging IM protocols with the IM servers In order to use either the H 323 or SIP protocols through a firewall based on your computer or corporate servers the following ports must be open Due to the dynamic nature of the lower protocols it may be necessary to allow the whole application access through the firewall rather than rely on specific port entries Protocol Ports H 323 UDP ports 1718 and 1719 discovery and registration of gatekeepers TCP UDP 1720 call signalling TCP 1300 secure call signalling TCP dynamic port 1024 65535 H 245 UDP dynamic port 1024 65535 RT CP UDP dynamic port 1024 65535 RTP SIP TCP port 5060 SIP UDP dynamic port 1024 65535 RT CP UDP dynamic port 1024 65535 RTP NOTE When using a streaming IP connection from a mobile client to a fixed server the above ports refer to the firewall protecting the fixed server any firewall on the client must be correctly configured for outbound traffic Introducing broadcast solutions This section details the setup of some of the professional broadcast solution tested over the BGAN network The solutions tested over the BGAN network
36. rsioning Policy fel Error Handling FAI An annlication skart Click Apply then OK to finalise the changes Open BGAN LaunchPad and open the required IP data connection You can now start taking pictures Goodsync automatically checks the server and uploads any new images every minute 29 34 Live Video Broadcasting over BGAN 10 0 Setting up the Nikon D2H WiFi camera Store and Forward 10 1 Nikon s Professional D2H SLR camera over BGAN can keep you on top of breaking news with the click of a camera BGANs WiFi connectivity enables you to use the Nikon D2H to transfer images directly from the camera immediately after taking the shot so that you can be among the first to get your images back to the office and into the press As long as you are with in the 300m depending on environmental conditions wireless range of the BGAN terminal you can continue taking pictures knowing that they are automatically getting sent back to headquarters NOTE You must have the Flash card memory in the camera for this solution to work Prerequisites As a minimum you must have the following equipment BGAN terminal with WiFi Nikon D2H camera with WiFi pack Memory card FTP server address Configuring the camera To set up the Nikon D2H WiFi camera Turn on the Nikon Camera and press Menu on the back of the camera 2 Goto the Setup menu select USB and change the USB option to FTP 3 Turn off the camera and connect t
37. s and approximate transmission times of a 250MB minute DV file using different encoding rates Encoding rate Approx Approx transmission time used to compressed over BGAN 256kbps compress file file size connection May vary from solution to solution Note that the actual transmission time is fundamentally determined by a number of factors including data channel rate video sequence length physical signalling overhead Layer 4 transport and transmission protocol overhead i e TCP overhead error checking protocol headers and handshaking negotiation procedures like TCP slow start Also the transmission speed varies between solution to solution due to the different type of compression and transport protocols used General recommendations The following recommendations apply to all video broadcasting solutions over BGAN e Make sure that you have pointed the terminal correctly the terminal must have un obstructed line of sight and maximum possible signal strength before network registration e Make sure you are using a higher streaming IP class QoS for higher quality video e Make sure your Distribution Partner has a dedicated last mile connection to ensure end to end QoS e Use the Ethernet Interface to achieve high transmission speed 5 0 2 34 Live Video Broadcasting over BGAN e Make sure that you have chosen the correct protocol Inmarsat recommends UDP e Make sure that for a UDP based live broadcast you use
38. stead of Preview and click on the red Record button on the video toolbar 4 Once recording is complete click on Stop and exit the window via the File menu on the main toolbar You are now prompted to select the encoding rate for compression 5 Inmarsat recommends 2 MB 2 Pass for general broadcast quality but you can select another option if it is more appropriate 6 Once encoding finishes you are prompted to enter information about the clip as shown below Video Clip Informaton Meta data Type FAL E Hame a L cation Content samples Reporter tasie z Camera Person tester zj Description Additional File a Send E mail E mall Length size Recordad 6 5 7 0 20 34 Live Video Broadcasting over BGAN 7 Complete the required fields and select Continue You are prompted to select the recipient decoder for the video if you want to send it immediately If you want to send it later use the Send View Video option To use this option select the file to be transmitted you can also play it in the viewer to double check and the select the recipient decoder IP address in the Send To option Then simply click Send fa QUICKLINK Send View Video File Send View Video File i i j aiie Satu aan Format CUPCK LINK ira Hughie Fi_adseca Degerlpilon 10_peord_lest3 Marmi Craton Keooded Size Transmite Send To Recommendations Optimisation Remember to switch off error cor
39. stribution Server is beyond the scope of this document Please note that video and audio is sent via the IP UDP port Usually Streambox uses UDP port 1770 for direct 5 5 6 0 16 34 Live Video Broadcasting over BGAN streaming to the Decoder The UDP port range 3700 5100 is used when streaming to the Distribution Server This means that multiple Encoders can send video to a single IP but to different port numbers The Distribution server interface enables you to monitor which Encoder s are sending video and to redirect to the appropriate Decoder s A user friendly web interface is provided for this purpose Recommendations Optimizations e Remember to switch off error correction in BGAN LaunchPad before you open a streaming IP data connection using LaunchPad e Use the 256kbps streaming IP connection if available for the best video quality Setting up QuickLink QuickLink News Broadcaster is the network efficient and cost effective way of transcoding and delivering high quality media for both Live and Store and Forward broadcasts over BGAN The unique design of the Quicklink system when combined with BGAN enables you to choose the functionality and features to meet your precise media encoding transmission requirements Prerequisites As a minimum you must have the following equipment e DV Camera or Analogue camera with DV converter e QuickLink Encoder Windows laptop e BGAN terminal e QuickLink Decoder studio room
40. this connection with other terminal traffic Support and feedback For help with the BGAN service contact Customer_Care inmarsat com For feedback on this document and suggestions for improvement contact Nadeem_Khan inmarsat com
41. tively recording The timers will only work when there is a cassette in the camera 24 34 Live Video Broadcasting over BGAN Once you have finished recording press the Record button again to stop recording The captured file will appear on the main interface window with a filename in green text meaning that it is a raw DV capture You can change the filename by double clicking on it and you can also add a short description of the video Note the following Clipway gives an estimate of the transmission time based on a connection speed of 250kbps you can change this on the transmit screen once the video is encoded compressed To see the estimated size of the file or to see the size of any file or attachment click on the Transmission duration column This will toggle to show the File sizes instead Now that the video is captured it needs to be compressed and encoded To do this Select the raw video that you want to encode and click the Compress button The Compression window is displayed Note the following e Clipway has four compression rates for you to select from depending on your desired quality of service and makes two passes to ensure quality The higher the quality the larger the file will be and the longer it will take to transfer the file The estimated transmission time will adjust accordingly to your selection e Clipway will automatically detect the video standard of the video input i e NTSC PAL the
42. u Make sure that you are using the correct broadcast standard for your camera You can toggle between PAL NTSC and NTSC Japan An inappropriate setting could result in black and white or scrolling video Setting up the IFB client To set up Streambox IFB client l 2 Launch Streambox IFB Client To setup IFB Client for the first time e Click on IFB Server button e Type in the Server s IP address e Type in a password default password is empty word e Click on OK Select the appropriate IFB channel to listen to audio You can select additional audio devices such as USB or Bluetooth from the Audio menu Audio devices drives should be installed separately using Windows or Mac OSX standard procedures Setting up the client for Store and Forward broadcast To set up the client for store and forward Py PR W R Select Store to file from the Encoder s File menu to start recording live video You can use higher bandwidth than 256 Kbps for store and forward recording usually to 3 Mbps bandwidth is used for Full DI Click Stop Recording when the video is captured Open the Streambox File Transfer Tool FTT Select Remote Server IP using the FTT interface Select Recorded File and click Upload to start data transfer Once file is transferred use Playback Remote to play out the video file Refer to the Streambox Store amp Forward User Manual for details Setting up the server The set up of the Streambox Di
43. ultiple input streams simultaneously If the connection fails or needs to be terminated prematurely for whatever reason you can resume the transfer from where you left off e The Clipway server also allows you to play out incomplete or mid transfer files So you can preview a file as it is still coming in or play out the amount of video that has been received This means that a video transmission that fails in the last few seconds does not need to be scrapped it can still be used with full quality Setting up the Canon WiFi camera Store and Forward The combination of the Canon Digital IXUS Wireless camera and BGAN is the ultimate low cost solution for journalists You can take Super High Quality 5 Mega Pixel pictures and transmit them anywhere in the world instantly There is no need to manually FTP or email back to HQ the pictures are automatically uploaded to the destination seconds after you press the shoot button Prerequisites As a minimum you must have the following equipment BGAN terminal with WiFi WiFi 802 1 x compatible computer e Canon camera and memory card Third party auto upload software Resources used over BGAN Inmarsat tested this solution over a Standard IP data connection The cost of transmission depends on the resolution and quality you choose Resolution Quality Approx JPG Approx images on file size 512MB card Large Superfine 2816 x 2112 Fine Normal Wide 16 9 Superfine 2816 x 1584 Fine Norm
44. using Streaming IP ISDN or Standard IP The BGAN IP service allows you to use some of the latest broadcasting compression protocols such as H 264 MPEG 4 and Windows Media 9 for live broadcasting over BGAN The BGAN IP service also plays a bigger role in broadcasting store and forward video giving you the ability to transmit high quality video at a variety of connection rates including standard IP The flexibility of the BGAN service when compared to GAN is another highly attractive feature for video broadcasting On Class terminals such as the HNS 9201 multi user functions allow users to 22 5 34 Live Video Broadcasting over BGAN perform more than one task simultaneously For instance it is possible to send store and forward video via Standard IP while simultaneously using Streaming IP for a live broadcast In this way important footage can be received by the studio and edited ready for broadcast at the earliest opportunity The level of compression determines the quality of picture received at the other end and the time taken to transmit Typical setup requires a laptop based encoder with firewire camera connected to a BGAN terminal over the Ethernet interface Setting up and using broadcasting solutions Audio Video broadcasting solutions introduce additional requirements over the ordinary transfer of data For example latency must be guaranteed to ensure that frames are transmitted in the form of a moving image and sound m
45. ust be synchronized with image Audio video solutions require the following e A large amount of information to be sent simultaneously requiring a consistent bandwidth with guaranteed end to end QoS Typically a BGAN streaming IP connection is required refer to Selecting the right terminal and Quality of Service on page 6 e Some form of data compression refer to Understanding codecs on page 7 e The selection of a bit rate type refer to Understanding bit rates on page 8 e A number of protocols to be used alongside the streaming IP connection to control data flow and provide additional conferencing capabilities refer to section Introducing protocols on page 8 and Protocol requirements on page 10 e End to end QoS for the required data rate This is particularly important for UDP based applications running over Streaming IP connections To maintain throughput and quality it is important that QoS is maintained across the terrestrial last mile link as well as the satellite interface BGAN Distribution Partners and Service Providers can provide details of available interconnect last mile options When these requirements are met you can further optimize your applications based on Inmarsat s recommended settings Refer to Introducing broadcast solutions on page 10 and any of the following sections based on your preferred video broadcasting application Setting up Streambox ACT L3 on page 12
46. ving multiple streams from multiple BGAN terminals which could be located at a number of locations around the world Prerequisites As a minimum you must have the following equipment e DV Camera or Analogue camera with DV converter e Livewire M Link Encoder Windows laptop e BGAN terminal e Livewire Decoder studio room To get the best possible quality from live video streaming Inmarsat recommends that you use an end to end dedicated streaming IP connection directly from your Distribution Partner to your headquarters global network Inmarsat only guarantees streaming connections up to the Distribution Partner s point of presence POP Inmarsat cannot control quality of service if the stream is routed over the public Internet For the highest quality video use the 256kpbs streaming IP connection offered on both the HNS 9201 and the Thrane amp Thrane EXPLORER 700 Inmarsat recommends that you use BGAN LaunchPad to interface with the terminal of your choice Setting up the M Link client encoder To set up your computer and BGAN terminal for M Link Install M Link onto your computer 2 Use a Firewire cable to connect your camera to the computer running M Link 3 The M Link interface detects your BGAN terminal and will automatically register the terminal on the network 4 For Store and Forward a Click on Capture and acquire the video then click on Encode make sure you select correct encoding rate for the transmissi
Download Pdf Manuals
Related Search