help='Convert video files to audio-only files (requires ffmpeg or avconv and ffprobe or avprobe)')
postproc.add_option(
'--audio-format', metavar='FORMAT', dest='audioformat', default='best',
- help='Specify audio format: "best", "aac", "vorbis", "mp3", "m4a", "opus", or "wav"; "%default" by default; No effect without -x')
+ help='Specify audio format: "best", "aac", "flac", "mp3", "m4a", "opus", "vorbis", or "wav"; "%default" by default; No effect without -x')
postproc.add_option(
'--audio-quality', metavar='QUALITY',
dest='audioquality', default='5',