CD player in 1970. Following litigation, Sony and Philips licensed Russell's patents (then held by a Canadian company, Optical Recording Corp.) in the 1980s. The Compact Disc is an evolution of LaserDisc technology, where a focused laser beam is used that enables the high information density required for high-quality digital audio signals. Prototypes were developed by Philips and Sony independently in the late 1970s. In 1979, Sony and Philips set up a joint task force of engineers to design a new digital audio disc. After a year of experimentation and discussion, the "Red Book" CD-DA standard was published in 1980. After their
Over the Edge Vol. 4: Dick Vaughn's Moribund Music of the '70s 1 - 6 of Disc Two are taken from the "Moribund Music Of The '70s" show, in which Dick Vaughn begins the first-ever "'70s Nostalgia" broadcast, complete with authentic 1970s radio gimmicks, commercials, and the usual Negativland sense of humor. Tracks 7 - 10 of Disc two are all taken from different shows, and feature commentary on the "Moribund" show, another classic Dick Vaughn prank, and a 15 Minute excerpt from the "Dick Is Dead" show. Finally, Tracks 11 & 12 are taken from a live Negativland performance, and includes the complete tape that opens the CD. Originally released in