tldr/pages/linux/arecord.md

arecord

Sound recorder for ALSA soundcard driver. More information: https://linux.die.net/man/1/arecord.

• Record a snippet in "CD" quality (finish with Ctrl-C when done):

arecord -vv --format=cd {{path/to/file.wav}}

• Record a snippet in "CD" quality, with a fixed duration of 10 seconds:

arecord -vv --format=cd --duration={{10}} {{path/to/file.wav}}

• Record a snippet and save it as mp3 (finish with Ctrl-C when done):

arecord -vv --format=cd --file-type raw | lame -r - {{path/to/file.mp3}}