Psychtoolbox-3

Psychophysics Toolbox Version 3 (PTB-3) is an open-source 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. Some of its functionality is available as part of Python toolkits like PsychoPy. For licenses, commercial support and services visit psychtoolbox.net. Follow us on Mastodon, BlueSky, or Twitter @psychtoolbox

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PR670getsyncfreq

>Psychtoolbox>PsychHardware>PR670Toolbox

PR670getsyncfreq - Measures the frequency of the light source.

Syntax:
syncFreq = PR655getsyncfreq

Output:
syncFreq (scalar) - The frequency of the light source in Hz. Is empty if
PR-670 encounters an error.
errorCode (scalar) - The error code if an error occurs. Is 0 if no
error.

Path   Retrieve current version from GitHub | View changelog
Psychtoolbox/PsychHardware/PR670Toolbox/PR670getsyncfreq.m

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Last updated on July 11, 2025