Description of the mp3directory generator
Following extra attributes added to valid MP3 files:
- frequency : the frequency of the MP3 file in KHz (most common: 44.1)
- bitrate : the bitrate of the MP3 file in Kbit, from 8 to 448.
- mode : the mode of the MP3 file, one of the following: Stereo, Joint stereo, Dual channel, Single channel.
- variable-rate (optional) : value is "yes" if VBR header is detected.
- title, artitst, album, year, comment, track, genre (all optional) : values obtained from MP3 ID3 tag.