A lot how convert to mp3.
-*- outline -*-
* Suitable convertors?
$ sudo apt-get install ffmpeg
or
$ sudo apt-get install sox
* List of sox supported format.
See sox(1).
* List of ffmpeg supported format.
$ ffmpeg -formats
* How convert amr to ogg/mp3?
$
* How easy convert between mp3/wav/ogg?
$ sox in.mp3 out.ogg
$ sox in.ogg out.wav
... etc
* How convert flac to mp3?
$ flac -c -d $file.flac | lame -m j -q 0 -V 0 -s 44.1 - $file.mp3
* How convert wma to mp3?
$ mplayer -vo null -vc dummy -af resample=44100 -ao pcm:waveheader $file.wma
$ lame -m s audiodump.wav -o "$file.mp3
$ rm audiodump.wav
* How convert m4a to mp3?
$ faad -o - $file.m4a | lame -V 0 - $file.mp3