m4a to mp3

#!/bin/bash
#
# Dump m4a to mp3

for i in *.m4a
do
if [ -f $i ]; then
rm -f "$i.wav"
mkfifo "$i.wav"
mplayer -ao pcm "$i" -aofile "$i.wav" &
dest=`echo "$i"|sed -e 's/m4a$/mp3/'`
lame "$i.wav" "$dest"
fi
done


FAAD

# m4a to wav
for i in *.m4a
do
faad "$i"
x=`echo "$i"|sed -e 's/.m4a/.wav/'`
y=`echo "$i"|sed -e 's/.m4a/.mp3/'`
lame -h -b 192 "$x" "$y"
rm "$x"
done