Linux audio

GUI Audio Conversion

Nautilus Audio Converter

Install with

sudo apt-get install wavpack mppenc libmpcdec3 faac flac vorbis-tools faad lame nautilus-script-audio-convert

CLI Audio Conversion

Decoding FLAC

flac -d source.flac -o output.wav
flac -d source.flac -c                 # Write output to stdout

Encoding MP3

lame -m auto --preset standard input.wav output.mp3
lame -m auto --preset extreme input.wav output.mp3
lame -m auto --preset insane input.wav output.mp3