Binary package “libsox-fmt-mp3” in ubuntu precise

SoX MP3 format library

 SoX is the swiss army knife of sound processing.
 .
 This package contains the SoX MP3 format library.
 Read support by libmad. Write support by libmp3lame.
 .
 libmad: http://www.underbit.com/products/mad/
 lame: http://lame.sourceforge.net/