Converting from m4a to mp3

Converting from m4a to mp3 on a whole bunch of files recursively

 

Convert to wav first:

find . -name \*.[Mm]4[Aa] -exec faad {} \;

Clean up the m4a's:

find . -name \*.[Mm]4[Aa] -exec rm -rf {} \;

Convert to mp3
find . -name \*.[Ww][Aa][Vv] -exec lame {}  \;