Format
DVD data file and backup data file
Summary
- Name
- DVD data file and backup data file
- Identifiers
- PUID: x-fmt/419
- Description
- IFO files contain DVD-Video Disc Information including headers that tell the DVD player what screen to show at startup, where each chapter starts, where audio tracks are located on the disc, etc. IFO files are accompanied by BUP files which are backups of the IFO files and therefore completely identical.
- File extensions
-
ifo,bup - Source
- Digital Preservation Department / The National Archives
Internal signatures
IFO/BUP
- Note
- BOF in ASCII 'DVDVIDEO-VTS' (VTS = Video Title Set) or 'DVDVIDEO-VMG' (VMG= Video Manager)
Byte sequences
- Min Frag Length
- Absolute from BOF
- Offset
- 0
- Max offset
- None
- Byte Sequence
445644564944454F2D56(4D47|5453)- Endianness
- None