Red Book (CD Standard) - Audio Specifications

Audio Specifications

The basic specifications state that

1. Maximum playing time is 79.8 minutes
2. Minimum duration for a track is 4 seconds (including 2-second pause)
3. Maximum number of tracks is 99
4. Maximum number of index points (subdivisions of a track) is 99 with no maximum time limit
5. International Standard Recording Code (ISRC) should be included