Useful apps for 220a name GUI if any command line [example use, if any] Envy24 Control Applications : Sound and Video : envy24control & Qjackctl Applications : Planet CCRMA : jack : qjackctl & Audacity Applications : Planet CCRMA : editors : audacity & miniAudicle miniAudicle & sox sox [convert to 48kHz] sox xxx.wav -r 48000 xxx48.wav polyphase sndfile-info sndfile-info sndfile-play sndfile-play