Overview of the DVD video format

Video: MPEG-2, MPEG-1 Audio: AC-3 (Dolby Digital), MP2, PCM, DTS Subtitles: proprietary; series of 4-colour bitmaps Program: proprietary virtual machine Metadata: proprietary
MPEG-2 program stream
UDF "bridge" filesystem
DVD-ROM / DVD-R / DVD-RW / DVD+R / DVD+RW