Convert m4a files to mp3 using faad and lame 

faad -o tmp.wav music.m4a && lame -b 192 tmp.wav music.mp3

June 14, 2012 — bashoneliners

Explanation

  • Step 1: convert m4a to wav using faad
  • Step 2: convert wav to mp3 using lame
  • -b 192 is the bitrate

Limitations

Neither faad nor lame are standard commands.

audio-conversion
lame