MATLAB can see only 2 channels of sound card(4 channels)

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CG on 18 Dec 2017

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Answered: Star Strider on 18 Dec 2017

I have UMC404HD external sound card. I want to use this card as data acoustion board. The board has 4 channels but when I described the board to matlab, it can see only 2 channels. How can I solve this problem?

AdaptorName: 'winsound' Bits: 16 Coupling: {'AC Coupled'} DeviceName: 'Line (BEHRINGER UMC404HD 192k)' DifferentialIDs: [] Gains: [] ID: '0' InputRanges: [-1 1] MaxSampleRate: 44100 MinSampleRate: 8000 NativeDataType: 'int16' Polarity: {'Bipolar'} SampleType: 'SimultaneousSample' SingleEndedIDs: [1 2] SubsystemType: 'AnalogInput' TotalChannels: 2 VendorDriverDescription: 'Windows Multimedia Driver' VendorDriverVersion: '6.1'

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Answer 1

Star Strider on 18 Dec 2017

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https://in.mathworks.com/matlabcentral/answers/373544-matlab-can-see-only-2-channels-of-sound-card-4-channels#answer_296788

Core MATLAB only supports 2-channel audio. You will probably need to use the Instrument Control Toolbox (link) to do what you want. (I do not have it, so I have no experience with it.)