Here’s a modification of a bash script I made a while back to convert anything that mplayer can play into an mp3 file. Change bitrates and the like to taste.

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#!/bin/bash
#
# any2mp3
#
for i in *.$1; do
mplayer -vc null -vo null -ao pcm:fast "$i" -ao pcm:file="${i%.$1}.wav"
done
for i in *.wav; do
lame -h -V2 --vbr-new "$i" "${i%.wav}.mp3"
done
rm *.wav

Say you are in a directory of m4a files, just run any2mp3.sh m4a and wait.

One Response to “any2mp3”

1. VelvetCache.org » John Hobbs Blog » Blog Archive » m4a2mp3 Says:
   March 18th, 2008 at 7:43 pm

   [...] version to go from anything (that mplayer can play) to mp3 without editing the script. Check it out here. Posted June 4th, 2007 – Permalink Categories: BASH – Computers – Linux – Music – Programming You [...]