Audio Microphone Setting - HelloMirror/MagicMirror GitHub Wiki

Check Mic Card/Device Number

aplay -l

Check Audio Card/Device Number

arecord -l

asoundrc

sudo vi ~/.asoundrc

pcm.!default {
   type asym
   capture.pcm "mic"
   playback.pcm "speaker"
}
pcm.mic {
type plug
   slave {
      pcm "hw:[card number],[device number]"
   }
}
pcm.speaker{
type plug
   slave {
      pcm "hw:[card number],[device number]"
   }
}