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How can I test the built-in microphone?

If you are working with an internal PC module, you can test the built-in microphone as follows:

 

  1. Make sure you are in the Windows environment of the internal pc-module.
  2. Go to Sound settings (right click function on the speaker symbol in the lower right corner of the taskbar)
  3. Under the heading "Choose your input device" you can read out the input device: Microphone (3-USB & Audio & cm7001aec+audio)
  4. The function "Test your microphone" is also displayed there.
  5. The result of the VU meter shows whether the microphone receives audio signals.