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Psychtoolbox-3 - PsychPortAudio(‘Open’)
http://psychtoolbox.org/docs/PsychPortAudio-Open
Open a PortAudio audio device and initialize it. Returns a ‘pahandle’ device handle for the device. On most operating systems you can open each physical sound device only once per running session. If you feel the need to call ‘Open’ multiple times on the same audio device, read the section about slave devices and the help ‘PsychPortAudio
Psychtoolbox-3 - PsychPortAudio
http://psychtoolbox.org/docs/PsychPortAudio
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.
PsychPortAudio('open') reports "unanticipated host error ...
https://www.mathworks.com/matlabcentral/answers/493103-psychportaudio-open-reports-unanticipated-host-error-or-invalid-device
PsychPortAudio('open') reports... Learn more about psychtoolbox, psychsound, psychportaudio
Problems with Opening PsychAudioPort multiple times in ...
https://psychtoolbox.discourse.group/t/problems-with-opening-psychaudioport-multiple-times-in-parallel-on-ubuntu/3808
pahandle3 = PsychPortAudio(‘Open’, [], 1, [], [], nrchannels, [], 0.015); Get the following error: PTB-ERROR: Failed to open audio device 3. PortAudio reports this error: Device unavailable PTB-ERROR: Could not open audio device, most likely because it is already in use by a previous call to PTB-ERROR: PsychPortAudio(‘Open’, …).
Psychtoolboxをがんばる：心理学、実験、プログラミン …
https://sites.google.com/site/ptbganba/ptbno-komando-no-setsumei/yin-ting-jue-guan-xi/psychportaudio-open
pahandle = PsychPortAudio('Open' [, deviceid][, mode][, reqlatencyclass][, freq][, channels][, buffersize][, suggestedLatency][, selectchannels][, specialFlags=0]); PortAudio のデバイスを開いて初期化します。返り値は、そのデバイスを扱うためのハンドル（pahandle）です。 すべてのパラメーター（引数）はオプションで、適切な ...
PsychPortAudio on Linux · Issue #4 · HukLab/PLDAPS · …
https://github.com/HukLab/PLDAPS/issues/4
specific description: Failed to open PortAudio audio device due to unsupported combination of audio parameters. module name: PsychPortAudio subfunction call: Open
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