Blue Book (CD standard) Blue Book (CD standard) The Blue Book is a compact disc standard developed in 1995 by Philips and Sony. It defines the Enhanced Music CD format (E-CD, also known as CD-Extra, CD-Plus and CD+), which combines audio tracks and data tracks on the same disc. The format was created as a way to solve the problem of mixed mode CDs, which were not properly supported by many CD players. The standard is not freely available and must be licensed from Philips. E-CDs are created through the "stamped multisession" technology, which creates two sessions on a disc. The first session of
Philips CD-i Media BV, to French publisher Infogrames in 1997. Dutch eurodance duo 2 Unlimited released a CD-i compilation album in 1994 called "Beyond Limits" which contains standard CD tracks as well as CD-i-exclusive media on the disc. A large number of full motion video titles such as "Dragon's Lair" and "Mad Dog McCree" appeared on the system. One of these, "", is considered one of the stronger CD-i titles and was later ported to PC. The February 1994 issue of "Electronic Gaming Monthly" remarked that the CD-i's full motion video capabilities were its strongest point, and that nearly all of its