Black Book (non-standard disc format)
|This article does not cite any references or sources. (October 2011)|
Black Book is an unofficial designation of optical disc (OD) formats that defy official standards for CD, DVD, HD DVD and Blu-ray Discs. Most formats considered Black Book are formats used for video games or Digital Rights Management.
Black Book disc examples:
- The audio side of a DualDisc (the video side is a standard DVD)