Chapter 3
DVD-ROM: the foundation of DVD
Logical format and UDF file system
All DVD formats – DVD-Video, DVD-Audio and Super Audio CD – are based on the DVD logical format. This is a key point differentiating DVD from the CD family, in which CD-ROM is a separate format from CD-Audio. Every DVD disc is a DVD-ROM disc and can be interpreted as a set of computer-readable files. The corollary of this is that every DVDplayer is, to at least some degree, a computing device capable of reading a file system and performing various actions in response to the data found in the files.
The file system used in DVD is Universal Disc Format (UDF). UDF was designed specifically for optical media and is an evolution of the ISO-9660 format that became a standard ...
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