Does matlab support USB audio devices that have 4 microphones?

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JD Ritchey
JD Ritchey on 3 Nov 2017
Commented: Gene Goff on 10 Oct 2018
I'm having trouble finding a mechanism to record audio from a usb 4 channel audio device. I have found examples scripts that record stereo (2 channel) audio from a usb device, but not 4. Any help would be greatly appreciated.

Accepted Answer

Walter Roberson
Walter Roberson on 3 Nov 2017
You need either the DSP toolbox or the Audio Systems Toolbox or (interfacing a different way) the Data Acquisition Toolbox for this to work.
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More Answers (1)

Gabriele Bunkheila
Gabriele Bunkheila on 6 Nov 2017
Hi JD,
I work with the Audio System Toolbox team at MathWorks and after seeing this I thought I'd drop a more precise note on the topic.
It looks like your board is recognized by Windows as a standard audio device, leveraging generic DirectSound drivers.
To record more than 2 channels from anything seen by your OS as an audio device (e.g. working with DirectSound, WASAPI, ASIO, ALSA or CoreAudio drivers), you should look at audioDeviceReader in Audio System Toolbox.
I hope this helps.
Regards,
Gabriele.
  4 Comments
Gene Goff
Gene Goff on 10 Oct 2018
Never mind - this does work now. I had the wrong driver settings in Adobe Audition to monitor the audio that Matlab recorded.

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