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

SoX MP2 and MP3 format library

 SoX is the swiss army knife of sound processing.
 .
 This package contains the SoX MP2 and MP3 format library.
 Read support by libmad. MP2 and MP3 write support by libtwolame and
 libmp3lame respectively.
 .
 libmad: https://www.underbit.com/products/mad/
 lame: https://lame.sourceforge.io