USB Module Usage

USB Voice Module Usage Tutorial

Command set:

  • arecord -l Identify the card number and device number of the microphone (note card X and device Y)

  • arecord -L List available PCM device names (e.g., plughw:1,0)

  • aplay -l Check speakers/output devices

  • sudo arecord -f S16_LE -r 16000 -c 1 -d 5 /tmp/test_mic.wav // Record 5 seconds with the default device, 16k/mono/16bit:

  • aplay /tmp/test_mic.wav // Play the audio

Terminal example: (ensure the voice module and speaker are properly connected)

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