[Trisquel-users] Re : SoundConverter won't convert .wma to .mp3

[pierrefalek]

My only regret with avconv is you can't do some intresting graphical features  
with audio files that FFmpeg allows and that can be very usful for cevral  
purposes.

This video extract shows it all.
https://youtu.be/M58rc7cxl_s?t=9m15s
This is quite brillant !