iDensity help_extended 1.2.4
Contents
1. Rename File InRec 21 02 2012 14 09 42 wav What Is Audiocopy Audiopaste www sonomawireworks com Taking the Copy Paste features in the Apple iPhone software to a new level Sonoma Wire Works has developed AudioCopy and AudioPaste functionality for the iPhone iPod touch iPad www densitygs com e Record audio using any AudioCopy compatible app below e Open the AudioCopy Song Tool within the compatible app e Preview and Copy Audio The audio data captured includes tempo info file format info the name of the app copied from duration and more e Select an app to Paste to from the Compatible Apps List o If owned the app will launch and pasting can be done using that app s AudioPaste Tool o If not owned you ll be taken to the store to purchase first then you ll be able to paste e Clipboard will keep your data until you paste it into your purchased app or until you copy other audio e AudioPaste Clipboard will display the info captured and allow you to choose how many loops to paste e Some apps that support AudioPaste including FourTrack allow you to paste within a particular position in your song NEW Apps that support AudioCopy 1 1 now include a pasteboard history of up to 12 items with audio previews NEW Apps that support AudioCopy 1 1 now include support for Apple s General Pasteboard which means BeatMaker integration Sonoma AudioCopy is used for copying a 44 1 kHz 16 bit PCM mono or stereo audio2. Below example show Parametric Filter popover opened The signal flow is Granulator gt gt Stereo Echo gt gt Output Parametric Filter Center Freq Hz Gain Db For more explanations about the audio digital signal processing please refer to the web http www dspquide com The Record icon circle captures the Output stereo signal after FX chain and creates an OutRec file in the Documents Folder see File Manager V Meters show the iDensity stereo output level and the most right icon loudspeaker it s a software shortcut for the hardware amplitude gain www densitygs com 15 Settings Defaults Settings Settings Global Sampling Rate in Hz 11025 22050 aa 44100 48000 Polyphony overlap grains 50 Play Stop Fade In Out Time In 0 125 secs Out 0 125 secs A A Restore Last Setup On Start Suspend Playback During Recording EN Resolution of Aftertouch Y Second Wave Finger and Accelerometer Dropbox is Linked to Alessandro Petrolati touch icon to un link 3 eel WavePad Scrub Behaviour Absolute Relative Waveform Color and Resolution Res You can set the audio Sampling Rate for full range audio the recommended sampling rate is 44 1 kHz Using a lower rate will reduce the number of samples that iDensity has to calculate thus lightening your iPad s burden but it will also reduce the frequency range If your device is struggling at 44 1
3. Time Scanning Ratio Time Jittering Ms Blackbird mp3 sr 44100 chnis 1 sec 5 538 o M RED Deterministic Granulator Parameters ORANGE Random Granulator Parameters PURPLE FX Chain Echo Ring Modulation Parametric Filter High Shelf Filter Reverb and Dynamic Compressor BLUE WavePad X Y scrub and second finger for the Grain Length X axis scrub file time Y can be associated to one of the Granulator or FX parameters when you are scrubbing the second finger multitouch controls the grain length Granular Parameters In this section we ll examine the Granular Synthesis parameters Please refer to web for more explanations about granular synthesis http Awww dspgquide com Double tapping on sliders you can switch between default last value and the two buttons most left and most right of slider change fine increment decrement A long pressure on them involve a recursive increment or decrement iDensity granulator engine is updated every grain the frequency of grains scattering depends from Grains Density parameter expressed in Hz grains for seconds N B exponential mapping Each granulator parameters is calculated by summing a couple deterministic random The result is used for the granulation the update frequency depends by grains scheduling i e Grain Density in Hz www densitygs com 4 In the example we have the Grains Pitch deterministic value balanced over own Random Pitch thus in the time
4. can copy file by iTunes see Add files to iDensity through iTunes You can recall a snapshot simply selecting item from the list or touch dice icon to select randomly All parameters values will be restored at current snapshot immediately Trash icon allow you to delete all snapshots items in the Snapshot plist file Edit top right allow you to delete or move items on the list The first four snapshots on the list they are employed for Snapshots Pad see later so you can change the order of snapshots in order to assign snapshots to four Pad edges Snapshots Pad drone high drone low P Snapshots Pad The Snapshots Pad goal is to obtain intermediate values between four snapshots corners You can assign corners snapshots from the Snapshots list see above Snapshots Pad performs a snapshots interpolations displays nodes in a 2 dimensional space and calculates the distance from a point The distance factor determine the weight between snapshots interpolation Thus you can modify hundreds of parameters with a single touch motion according to a structure configured by the user This control method is also called Hyper Vectorial Synthesis Snapshots Pad can be showed fullscreen for more fine controls left bottom icon See Density Pulsaret Standalone DSP at www densitygs com Restore defaults All iDensity sliders and knobs recognize double tap gesture double tapping on the slider or knob to reset at default
5. files so if you select a different kind AudioCopy icon will be disabled until you select a valid format How To Video AudioCopy Paste For more details see www sonomawireworks com Dropbox gt v Upload and download files from Dropbox you need a Dropbox account For more details see www dropbox com If you are not logged the first time you upload or download will ask you a user and password You can log out from dropbox and or change accounts through iDensity Settings see later for explanations Play Stop DSP iDensity DSP Digital Signal Processing is triggered by Play Stop toolbar icon When you turn On you will see pause icon and vice versa Every time you turn On Off by clicking on play stop in the tools bar or by scrubbing in wavePad in auto play mode a fade In or Out occurs see Settings for fade time during the fade you will see the pointer flashing and became red During the fade time you will not able to re trigger engine n b iDensity can play also when app is in background so you can mix audio from two or more app Rewind Like a normal player brings the time pointer to start Time Freeze www densitygs com 8 Time Freeze refresh icon is a shortcut for the Time Scanning parameter See Granular Parameters Time Freeze switch between the value 0 frozen and the last value Grab audio from mic Grab Audio Cancel 00 00 08 080 on Touch on mic icon to Start grab audio
6. immediately the icon became minus then touch again to stop recording If you stop before than 250 msecs a warning message will show you no audio will be saved Every time you grab audio a new file will be created named InRec where InRec is the prefix followed by date and time see File Manager for further explanations You can abort grab audio pushing on cancel button and switch on off on After Recording Load File Automatically this is saved on the iDensity Settings see later for explanations n b Depending from device input audio you will see one or two V Meters for the Left Right channels it means you will record a mono or stereo file in wav format 16 bit 44 1 kHz Snapshots in Snapshots plist Edit In Documents Folder alea 1 ddof AA N ore 00 44 A pad 11 51 02 B pad drone high 002 12 03 2012 09 04 18 C pad drone low 2 09 04 19 D pad lt unnamed gt 0 004 12 03 lt unnamed gt sk 1 WU 12 03 2012 The first four items are assigned to the corners of the pad edit to change order or delete A snapshot is a photo of all parameters Granulator and FX values www densitygs com 9 When you ve found an interesting sound you can take a snapshot touching on the plus icon in the Snapshot popover A new item will be added to Snapshots plist file As File Manager you can move delete or rename items Snapshots plist file is placed on the Documents folder you
7. twice tempo time compressing 0 freezes playback at the current location negative values rate backwards play Time Jittering Ms randomly moves the time pointer around the current value scanning or scrubbing the value is expressed in milliseconds www densitygs com 5 Tools Bar From left to right we have File manager folder icon Play Stop DSP play icon Rewind rewind icon Grab audio from mic mic Snapshots camera Time Freeze refresh Restore defaults safe Envelope select On the most right we have Settings and About home icon File Manager mb_sticks mp3 mb_piano_coin_drop mp3 mb_noise_and_perc mp3 mb_water_bowls mp3 Feedback_tema mp3 Blackbird mp3 TimeAgo wav Fernando mp3 Piano_Tuning mp3 ExOedipo mp3 Fa sanRocco wav InRec 09 03 201 2 00 07 51 1 1 wav InRec 09 03 2012 00 07 51 1 2 wav You can load one of 10 built in audio samples and read write Documents folder Copy and Paste audio from to Sonoma Wire MAPI ACP see later Add files to iDensity through iTunes Launch iTunes Connect your iPad to your computer with the USB dock cable Select your iPad from the Devices list in the iTunes Library column then click the Apps tab Now scroll to the bottom of the iTunes window to see the File Sharing area www densitygs com e Apps on your iPad that support file transfers appear in the Apps list Selecting iDensity icon tells iTunes which app you wa
8. WavePad scrub now turning right or left device you can scanning the time of Wave file You can set the gravity amount for the Accelerometer by the iDensity Settings see Resolution of Aftertouch Y Second Wave Finger and Accelerometer Normalize Wave Amplitude 1 00 scales the audio samples in the wavePad so the highest peak matches the value given by the argument This can cause either amplification or attenuation of the audio but in either case every value is scaled When you load a sound file Normalize value is by default the sound file peak Normalize Wave Amplitude n b normalizing at O value i e 0 001 amplitude gain 60 db www densitygs com 14 Effects Chain From left to right we have Stereo Echo Ring Modulation Parametric Filter High Shelf Filter Reverb Dynamic Compressor All FX parameters are Knobs as the Sliders by double tap on them you can switch between default last value and the two buttons most left and most right of slider change fine increment decrement A long pressure on them involve a recursive increment or decrement The first effect of the chain is Stereo Echo it receive signal from Granulator Engine If Stereo Echo is enabled the processed signal is passed to the next effect in the chain Ring Modulation or bypassed if disabled You will see enabled effects by toolbar icons orange colored you can switch between popovers effects and move parameters while scrubbing in WavePad
9. X axis the pitch mask changes from 80 to 5 and finally 80 pitch_result pitch birnd rnd_pitch pitch 2 Where birand is bipolar random generator The random range is expressed in therefore 0 it means only deterministic value 100 it means the pitch_result can vary in all the range pitch_result pitch pitch 2 rnd_pitch 5 In the example rnd_pitch green frame starts from 80 to arrive at 5 in the middle then go up again With an high rnd_pitch every grain can have an high random pitch deviation range Carrying rnd_pitch toward lowest values the random pitch mask is reduced until 0 which means no random pitch grain scattering Grains Amplitude Db grains amplitude expressed in decibel Stereo Width grains spread randomic distributions on the stereo field Grains Length Ms grain duration in milliseconds N B exponential mapping Random Length random range deviation in of Grains length Grains Density Hz grain for seconds in Hz or gps i e grains for second Random Density random range deviation in of Grains Density Grains Pitch Semitones detune factor value 1 original pitch value 0 5 octave down 2 octave up Random Pitch Semitones random range deviation 0 no pitch deviation 12 one octave range deviation i e one octave 12 semitones Time Scanning Ratio playback scanning ratio value 1 original time value 0 5 half tempo time stretching 2
10. eta testings and some Built In Samples Audio Copy and Paste by Sonoma Wire Works MAPI ACP SDK www sonomawireworks com AudioDrome C ToolKit by Alessandro Petrolati for the Granulator Engine www alessandro petrolati it The Author Alessandro Petrolati densitygs All rights reserved 2011 12 ape kagi com www densitygs com www densitygs com
11. iDensity granular synthesis for iPad user manual v 1 3 Alessandro Petrolati www densitygs com Control and shape grains anytime anywhere with iDensity for iPad 2 Requirements Compatible with iPad iPod and iPhone Requires iOs 6 0 or later About the project First Density standalone windows 2001 release was developed in Csound language and based on Eugenio Giordani s GSC4 Granular Synthesis for Csound GSC4 implements the Barry Truax model iDensity can generate thousands of grains dynamically rather than a fixed number of voices oscillators or granular streams So the maximum overlapping limit depends by the CPU power Below an easy granulation model grano interrupt ims ai segnale TPE LELLILLAILAL LLL LLL LLL LLL LLL snl Transfer audis Signal hrowgh globe SHES SAS SSSSSSSHSHSHESSE SS nnn NEEE iDensity for iPad brings all the powerful Density Pulsaret Mac Win standalone Granular Synthesis tools to the world s most popular tablet You can find more details about granular synthesis on the wiki http en wikipedia org wiki Granular_synthesis You can download Mac Win standalone demo here www densitygs com www densitygs com 3 Ul User Interface wE gt a imines Grains Amplitude Db Stereo Width Grains Density Hz Random Density Grains Length Ms Random Length Grains Pitch Semitones Random Pitch Semitones
12. ition when you push down finger on wavePad Scrubbing on the wavePad left right you will move pointer in relation to that relative position Waveform Color and resolution sets wave aspects and draw resolution for the long samples you should decrease draw resolution avoiding cpu overhead when zooming You can personalize waveform color by touching RGB button this will open a Color Piker popover Cancel Waveform Color Done Release History iDensity 1 3 Update to iOs 6 iPhone iPad universal app Exponential Slider for Density and Grano Length SnapshotsPad more fast speed limit update Some Ul improvements FileManager and Dropbox Waveform rotation size bug fixed Accelerometer for the Wave Scrub iDensity 1 2 4 Dropbox Supports Snapshot Pad Echo Gain bug fixed iDensity 1 2 Background Audio FX chain Echo Ring Modulation Parametric and High Shelf filters Reverb and Dynamic Compressor Independent Y scrubbing and X scrubbing at the same time for grains density length Time limit of samples removed you could load files as big as your free iPad RAM New wavePad pinch gesture ZOOM for long samples www densitygs com 17 Sliders and Knobs could switch to Default Last values Fine increment decrement mode in Sliders and Knobs behavior New Rewind button in toolbar for quick jump at the start time position Preferences waveform color and resolution are customizable Prefere
13. kHz you should try a lower rate Polyphony change the grains overlapping factor maximum numbers of simultaneous grains Default is 50 the max value allowed is 100 actually the granulator engine have not a limits but 100 grains is a good compromise Fade In Out When Play Stop every time you turn On Off iDensity engine by clicking on play stop in the tools bar or by scrubbing in wavePad only in auto play mode a fade In or Out occurs You can disable the fade by setting time nearly to zero i e minimum value allowed is one millisecond Defaults values are 125 milliseconds while the maximum time is one seconds n b when a fade occurs you will see pointer flash became red n b during the fade you will not able to re trigger engine Suspend Playback if is playing During Recording iDensity allow you to record a sound directly from the iPad mic You can chose to temporally disable playback if is playing during the recording Restore last Setup On Start when you start application restore all Granulator and Fx Parameters www densitygs com 16 Resolution of Y axis and second finger sets the step increment relatively Grain Length Second finger and Y axis scrub Dropbox sign in out you can login or logout from Dropbox accounts here see FileManager section WavePad Scrub Behavior you can sets the scrub mode in Absolute default mode will automatically jump directly to the finger wavePad location or Relative mode keeps it pos
14. nces Y and second finger step resolution are customizable Preferences and last UI state is stored Auto load audio after recorded on off Stereo Input audio recorder if device is stereo Sound File and Snapshots rename Quick Help embedded iDensity 1 1 4 some bugs fixed sliders parameters double tap switch to default last_ value iDensity 1 1 2 iOs 5 deployments target update iDensity 1 1 1 Sonoma Audio Copy and Paste Snapshots presets Play Stop fade In Out iDensity 1 0 8 Improvement of audio quality Improvement of granulator engine now is more fast 60 Polyphony Grains Overlapping in the settings Long time sample scanning bug fixed CPU average monitor Auto Play Stop scrub iDensity 1 0 nine built in sound samples record audio directly with iPad mic add WAV AIFF CAF MP3 M4A or MP3 files via iTunes capture audio output up to eight shapes for the grain envelope record the granulation audio output wavePad zoom selection wavePad scrub wavePad peak normalize etc Acknowledgments Antonio De Luca for the app icon Ernesto Cecco D Ortona for the graphics project Toolbar Icons by Darran Morris www app bits com and by Glyphish glyphish com Carmine Emanuele Cella for the help in DSP programming Silvia Sisi for the help in the english translation www densitygs com 18 A special thanks to Felix Petrescu www facebook com makunouchibento for b
15. nt to transfer files for e Click Add at the bottom of the Documents pane to find the documents you want to copy to your iPad e Now click Sync to copy the documents to your iPad You can also select files in the Documents list to copy them to your computer This is a fairly easy way to make sure the files you create on your iPad find their way to your desktop or laptop machine In the above example we have three files in Documents folder in the example all files are created by iDensity Observing the prefix you will see the file origin followed by date and time AudioPaste date time InRec date time OutRec date time Every time you grab audio from Mic see later you will create a new file called InRec in the same way when you record the output signal Master you will create OutRec and at the end you will create an AudioPaste See later prefixed file pasting from Sonoma Wire You can edit File manager contents and delete files as you see you cannot delete built in sounds n b It s a destructive action n b File manager can read only audio files supported if you have unsupported files in the Documents folder you won t able to see on the file manager popover Fa sanRocco wav j i InRec 09 03 2012 00 07 51 1 1 wav i 1 InRec 09 03 2012 00 07 51 1 2 wav FS You can also rename files in Documents Folder just touch pencil icon on the right of each file
16. value and double tap again to jump at last position value so you can easy switch between default www densitygs com amp last values Naturally you can reset all parameters at defaults values by touching the toolbar icon safe a popover warning message will be displayed Grains Envelope iDensity provides eight built in shape envelopes Grains envelope is used for smoothing the grain amplitude A Grain Envelope Hanning AAA a 4 amp EE Eight grain envelopes from left to right Gaussian Black Harris Hanning Barlett triangoular Sync Hamming Blackmann Ape Rectangular Restoring the defaults values safe icon the Hanning window envelope will be selected as default www densitygs com 11 Wave Pad WavePad is the audio buffer used to load audio files iDensity is compatible with most audio files WAV AIFF CAF MP3 M4A amp many more See Settings for more explanations about wave pad time limits and other settings You can select the WavePad interaction mode from left to right scrub scrub_and_play and zoom You have two scrub modes scrub and scrub_and_play the last turn on off DSP digital signal processing every time you touch down up WavePad See Tools Bar for more details You can also set the scrub behave in Absolute or Relative see iDensity Settings WavePad scrub mode n b although you can automatically scan WavePad see Time Scanning in the Granular Parameters section when you touch do
17. wn finger WavePad will disable temporally automatic scanning as soon as you touch down Automatic playback scanning it will be resumed at the current position when you release finger In auto play scrub middle you will turn on granulator engine when touch down and turn off when touch up iDensity WavePad supports multitouch now you can move through the time scrub employing second finger to changing Grains Length Scrubbing with one finger on WavePad in horizontal X axis you can scan sound sample time www densitygs com 12 While in Y vertical axis you can move one of the Granulator or Effects Chain parameters you need before associate parameter trough the Scrub Y Assign menu Grains Amplitude Stereo Width Random Length Grains Density Random Density Grains Pitch Random Pitch Echo Left Delay Echo Left Gain Echo Right Delay Echo Right Gain You can change the Length of grains while scrub on the WavePad with second finger See iDensity Settings in order to change step Resolution of Y axis and Second Finger www densitygs com 13 In Zoom mode magnifying glass icon you can select a region of sound file the selected part will be looped cyclically when you red samples in automatic scanning Naturally you can scrub only over the selected part Pinch to zoom and move selection n b double tap on waveform to full zoom out The rightmost toggle enable iPhone iPad accelerometer for
Download Pdf Manuals
Related Search