arecord -l

returns:

**** List of CAPTURE Hardware Devices ****
card 0: Generic [HD-Audio Generic], device 0: ALC1220 Analog [ALC1220 Analog]
  Subdevices: 1/1
  Subdevice #0: subdevice #0
card 0: Generic [HD-Audio Generic], device 2: ALC1220 Alt Analog [ALC1220 Alt Analog]
  Subdevices: 1/1
  Subdevice #0: subdevice #0

arecord -c 2 -r 44100 -f S32_LE -d 10 --device="hw:0,0" /tmp/test-mic.wav

Recorded audio via microphone specified by –device=“hw:0,0” as in card 0 and device 0 from the arecord -l output in the previous step.

arecord -d 10 -f cd -t wav /tmp/test-mic1.wav

aplay /tmp/test-mic1.wav