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Psychtoolbox-3 - PsychPortAudio
http://psychtoolbox.org/docs/PsychPortAudio
Psychtoolbox-3 - PsychPortAudio. Psychtoolbox-3. Psychophysics Toolbox Version 3 (PTB-3) is a free set of Matlaband GNU Octavefunctions for vision and neuroscience research. It makes it easy to synthesize and show accurately controlled visual and auditory stimuli and interact with the observer. A subset of its functionality is also available as part of Python …
Psychtoolbox-3 - PsychPortAudio(‘Open’)
http://psychtoolbox.org/docs/PsychPortAudio-Open
Psychophysics Toolbox Version 3 (PTB-3) is a free set of Matlaband GNU Octavefunctions for vision and neuroscience research. It makes it easy to synthesize and show accurately controlled visual and auditory stimuli and interact with the observer. A subset of its functionality is also available as part of Python based toolkits like PsychoPy. For commercial …
MAPLE Lab - Auditory Stimulus Timing in MATLAB
https://www.lrdc.pitt.edu/maplelab/matlab_audio.html
InitializePsychSound(1); pahandle = PsychPortAudio('Open', [], 1, [], FREQUENCY, CHANNELS, [], 0.015); The first line sets up the sound driver, in general. The second line opens up a sound channel—a line of communication between your experiment and your sound card.
PsychPortAudio('GetAudioData'...) not returning timestamps ...
https://psychtoolbox.discourse.group/t/psychportaudio-getaudiodata-not-returning-timestamps/3197
Hello, I’ve just started using Psychtoolbox last week. I’m having an issue where the call to PsychPortAudio with ‘GetAudioData’ is returning bad data. If I run SimpleVoiceTriggerDemo.m, line 110: [audiodata offset overflow tCaptureStart]= PsychPortAudio('GetAudioData', pahandle); …the variables offset, overflow, and tCaptureStart …
PsychPortAudio('Fillbuffer') for continous stream paradigm ...
https://psychtoolbox.discourse.group/t/psychportaudio-fillbuffer-for-continous-stream-paradigm-please-help/3376
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', pahandle, [myBeep silence myBeep silence …
PortAudio - an Open-Source Cross-Platform Audio API
PortAudio - an Open-Source Cross-Platform Audio API. PortAudio is a free, cross-platform, open-source , audio I/O library. It lets you write simple audio programs in 'C' or C++ that will compile and run on many platforms including Windows, Macintosh OS X, and Unix (OSS/ALSA). It is intended to promote the exchange of audio software between developers on different platforms.
Releases · Psychtoolbox-3/Psychtoolbox-3 · GitHub
https://github.com/Psychtoolbox-3/Psychtoolbox-3/releases
PsychPortAudio robustness improvements for some exotic sound hardware that provides/requires/uses variable buffersize audio hostbuffers, instead of the more common fixed size audio hostbuffers. Should help on Windows, macOS and Linux in such cases to avoid audio artifacts during recording or playback under such conditions.
Psychtoolbox-3/InitializePsychSound.m at master ... - …
https://github.com/Psychtoolbox-3/Psychtoolbox-3/blob/master/Psychtoolbox/PsychSound/InitializePsychSound.m
% On MacOS/X and GNU/Linux, the PsychPortAudio driver will just work with % low latency and highest timing precision after this initialization. % % On Microsoft Windows, things are a bit more complicated: % % PsychPortAudio on Windows supports three different Windows sound systems, % MME, WDM/KS and WASAPI. Only WDM/KS and WASAPI are suitable for research grade
Introduction to PsychToolbox in MATLAB
http://www.jonaskaplan.com/files/psych599/Week6.pptx
startTime = PsychPortAudio('Start', pahandle [, repetitions=1] [, when=0] [, waitForStart=0] [, stopTime=inf] [, resume=0]); Wait until this time to start playing (default is play now) Set to 0 to repeat indefinitely. set a time to stop playing. 0: Ask playback to start and move on. 1: wait for playback to actually begin.
Psychtoolbox-3
PsychPortAudio('RefillBuffer', pahandle [, bufferhandle=0], bufferdata [, startIndex=0]); allows to refill portions of the sound playback buffer while playback is active, for dynamic updating of sound content in situations where the streaming refill via the PsychPortAudio('FillBuffer') command is not applicable.
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