m4a into mp3

#!/bin/bash
#
# Dump m4a to wav (first step in conversion)

for i in *.m4a
do
mplayer -ao pcm "$i" -ao pcm:file="$i.wav"
done

#Second step... use lame to convert into .mp3

for i in *.wav
do
lame -h -b 192 "$i" "$i.mp3"
done

# Remove extrenuous extensions.

for i in *.mp3
do
x=`echo "$i"|sed -e 's/m4a.wav.mp3/mp3/'`
mv "$i" "$x"
done