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

June 14, 2012, 9:29 a.m.Janos

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.