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Psychtoolbox-3 - PsychPortAudio
http://psychtoolbox.org/docs/PsychPortAudio
as an example on how to get perfectly synched audio-visual stimulus onsets. Type “PsychPortAudio” for an overview of supported subfunctions and “PsychPortAudio Subfunctionname?” for help on a specific subfunction. CAUTION: You *must* call InitializePsychSound before first invocation of PsychPortAudio()!
Psychtoolbox-3 - PsychPortAudio(‘Open’)
http://psychtoolbox.org/docs/PsychPortAudio-Open
device channel will be used for playback or capture of the i’th PsychPortAudio channel (the i’th row of your sound matrix). Numbering of physical device channels starts with zero! Example: Both, playback and simultaneous recording are requested and ‘channels’ equals 2, ie, two playback channels and two capture channels.
Psychtoolbox-3 - PsychPortAudio(‘GetAudioData’)
http://psychtoolbox.org/docs/PsychPortAudio-GetAudioData
the returned data matrix, assuming that sample zero was the very first recorded sample in this session. The count is reset each time you start a new capture session via call to PsychPortAudio(‘Start’). Each call to this function will return a …
Psychtoolbox-3 - PsychPortAudio(‘FillBuffer’)
http://psychtoolbox.org/docs/PsychPortAudio-FillBuffer
computation time and latency for expensive sample rate conversion, sample format conversion, and bounds checking/clipping. Instead of a matrix, you can also pass in the bufferhandle of an audio buffer as ‘bufferdata’. This buffer must have been created beforehand via PsychPortAudio(‘CreateBuffer’, …). Its content must satisfy the same
Psychtoolbox-3 - PsychDemos
http://psychtoolbox.org/docs/PsychDemos
SimpleVoiceTriggerDemo - Demo of a simple voice trigger with PsychPortAudio. SpriteDemo - Animates an image that follows the mouse. StereoDemo - Drive stereo-displays e.g., CrystalEyes. StereoViewer - A simple viewer for stereo image pairs. TurnTableDemo - Nurture your inner DJ! Some demo of advanced PsychPortAudio use and PowerMate use.
How to change the phase of a sine wave with PsychPortAudio ...
https://psychtoolbox.discourse.group/t/how-to-change-the-phase-of-a-sine-wave-with-psychportaudio-in-realtime/4086
Enable user-controlled delays in the PsychPortAudio output. The delays should be fractions of a single cycle of a sine wave. For example, with a 500 Hz sine wave a single cycle is 2 milliseconds. So, the user-controlled delays would be between 0 and 2 milliseconds.
PsychPortAudio('Fillbuffer') for continous stream paradigm ...
https://psychtoolbox.discourse.group/t/psychportaudio-fillbuffer-for-continous-stream-paradigm-please-help/3376
I attach a minimal example: pahandle = PsychPortAudio('Open', 0, 1, 1, 44100, 1); %deviceID, mode, latency mode, freq, chann, buffersize, suddestedLate, select PsychPortAudio('RunMode', pahandle, 1);% % Make a beep which we will play back to the user myBeep = MakeBeep(500, 1, 44100); silence= zeros(1, 22050) ; PsychPortAudio('FillBuffer', …
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