Impulse Response Measurer audio device

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DavidePiccinini 2023-9-15

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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/2021341-impulse-response-measurer-audio-device

评论： Jimmy Lapierre 2023-9-17

Hi,

the problem concerns ImpulseResponseMeasurer that does not correctly identify the audio devices connected to my mac book.

If I run adiodevinfo:

A=audiodevinfo
ans = 
  struct with fields:
     input: [1×3 struct]
    output: [1×6 struct]
    
A.input.Name
ans =
    'USB AUDIO  CODEC (Core Audio)'
ans =
    'Microfono MacBook Pro (Core Audio)'
ans =
    'Microsoft Teams Audio (Core Audio)'

But in ImpulseResponseMeasurer the only available device is Microsoft Teams Audio

Is there a way to tell to ImpulseResponseMeasurer to use a different I/O device (i.e. USB AUDIO CODEC)?

Thanks in advance

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DavidePiccinini 2023-9-17

在 MATLAB Online 中打开

The USB AUDIO CODEC device is an external sound card built into a small multitrack mixer that I connect to my Mac via USB to record analog instruments.

This is the result of the command:

getAudioDevices(audioPlayerRecorder)
ans =
  1×2 cell array
    {'Default'}    {'Microsoft Teams Audio'}

Jimmy Lapierre 2023-9-17

I'm trying to figure out if that device supports full duplex (simultaneous input and output at a common sample rate). Is the USB AUDIO CODEC showing up in the outputs a different device (ex: DAC)?

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