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

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CG
CG 2017-12-18
回答： Star Strider 2017-12-18
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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Star Strider
Star Strider 2017-12-18
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.)

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