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Psychtoolbox-3 - PsychPortAudio(‘FillBuffer’)

http://psychtoolbox.org/docs/PsychPortAudio-FillBuffer

[underflow, nextSampleStartIndex, nextSampleETASecs] = PsychPortAudio(‘FillBuffer’, pahandle, bufferdata [, streamingrefill=0][, startIndex=Append]); Fill audio data playback buffer of a PortAudio audio device. ‘pahandle’ is the handle of the device whose buffer is to be filled.

PsychPortAudio('Fillbuffer') for continous stream paradigm ...

https://psychtoolbox.discourse.group/t/psychportaudio-fillbuffer-for-continous-stream-paradigm-please-help/3376

Both contradict each other, so to resolve the conflict, your ‘Stop’ command turns into a PsychPortAudio('Stop', pahandle)without the wait flag. Therefore sound will stop as soon as all three ‘FillBuffer’ commands are done and ‘Stop’ is executed.

Psychtoolbox-3 - PsychPortAudio(‘RefillBuffer’)

http://psychtoolbox.org/docs/PsychPortAudio-RefillBuffer

Psychtoolbox-3. Psychophysics Toolbox Version 3 (PTB-3) is a free set of Matlab and GNU Octave functions for vision and neuroscience research. It makes it easy to synthesize and show accurately controlled visual and auditory stimuli and interact with the observer.

Psychtoolbox-3 - PsychPortAudio

http://psychtoolbox.org/docs/PsychPortAudio

PsychPortAudio is a special sound driver for PTB-3. It is a replacement for all other sound drivers and PTB’s old SND() function. PsychPortAudio provides the following features: Allows instant start of sound playback with a very low onset latency compared to other sound drivers (on well working hardware).

Psychtoolbox-3 - PsychPortAudio(‘Open’)

http://psychtoolbox.org/docs/PsychPortAudio-Open

MAPLE Lab - Auditory Stimulus Timing in MATLAB

https://www.lrdc.pitt.edu/maplelab/matlab_audio.html

Go into the PsychSoundfolder. You should see a file here called libportaudio [some numbers & other stuff]. Copy that file. OK, you have the file. Now you need to put into the right folder: Double-click on your Macintosh HDon the desktop Double-click your account name (in my case it's scottfraundorf) Go into the folder named lib.

Psychtoolbox-3 - PsychPortAudio(‘CreateBuffer’)

http://psychtoolbox.org/docs/PsychPortAudio-CreateBuffer

playback via the PsychPortAudio(‘AddToSchedule’) call. The same buffer can be attached to and used by multiple audio devices simultaneously, or multiple times within one or more playback schedules. ###See also: Open FillBuffer GetStatus. edit and fork this page on GitHub

Introduction to PsychToolbox in MATLAB

http://www.jonaskaplan.com/files/psych599/Week6.pptx

open audio channel with PsychPortAudio('Open') fill audio buffer with PsychPortAudio('FillBuffer') start playing a sound with PsychPortAudio('Start') stop playing a sound with PsychPortAurio('Stop') close the audio channel with PsychPortAudio('Close') Step 2: …

Playing a continuous sound - Programming Help - Psychtoolbox

https://psychtoolbox.discourse.group/t/playing-a-continuous-sound/3107

'FillBuffer' call has an optional 'streamingrefill' flag. If you set it to 1, it allows to "append" sound to the buffer. Technically it doesn't really append, but it refills the parts of the buffer that are already played out, so if you'd refill 1 second of sound, the function would either return immediately if 1 sec of space is fr…

Problems with Opening PsychAudioPort multiple times in ...

https://psychtoolbox.discourse.group/t/problems-with-opening-psychaudioport-multiple-times-in-parallel-on-ubuntu/3808

Unless you want to use three separate physical sound cards simultaneously, that is the wrong approach. Use of audio slave devices (PsychPortAudio OpenSlave?), as described in PTB’s output, is the way to go if you want to use one physical sound card.

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