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
Stephen Philips Stephen Philips Stephen Philips is an ambient drone musician who has releases on such major ambient labels as Hypnos, Blue Water Records, Gears of Sand, and his own record label, Dark Duck Records. Philips has been producing and releasing music since 1988 on his own label as well as other indie ambient labels, and also collaborating with many other ambient artists such as Austere, Rigel Orionis, IXOHOXI, Numina, Ben Fleury-Steiner, Isomorph, Palancar, and others. He is also the major contributor to his own Drone Download Project series of online releases which are then put together as CD compilations at the