Matlab is unable to detect the sampling frequency of Audio Interface
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I have an ASIO audio interface. It is running at 48000Hz. When I check rate using playrec('getDevices'), I see the default sampling rate as 44100Hz. I tried changing the sampling frequency on the device, however Matlab reads the same 44100 Hz.
Is there any way to resolve this issue?
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Daniel Shub
el 9 de Dic. de 2011
One of the points of playrec, and other port audio interfaces, is to bypass the Microsoft Windows mixer. You need to set the sample rate with playrec, not with the Microsoft Windows mixer.
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Daniel Shub
el 13 de Dic. de 2011
I am not sure if a loop back will let you validate the sample rate. I am pretty sure you need either a known signal or a known recording. If it is the start latency that you are worried about, I think the psychtoolbox port audio implementation is the lowest latency implementation that I have seen.
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