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Dolby Digital (also called AC-3) and DTS, which are now common on DVD releases, first became available on LaserDisc, and Star Wars: Episode I – The Phantom Menace (1999) which was released on LaserDisc in Japan, was among the first home video releases ever to include 6.1 channel Dolby Digital EX Surround (along with a few other late-life ...
The Compact Disc (CD), which is based on MCA/Philips Laserdisc technology, was developed by a taskforce of Sony and Philips in 1979–1980. Toshi Doi and Kees Schouhamer Immink created the digital technologies that turned the analog Laserdisc into a high-density low-cost digital audio disc. [14]
MCA DiscoVision, Inc. was a division of entertainment giant MCA (Music Corporation of America), established in 1969 to develop and sell an optical videodisc system. MCA released discs pressed in Carson and Costa Mesa, California on the DiscoVision label from the format's Atlanta, Georgia launch in 1978 to 1982 and the release of the film, The Four Seasons.
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A LaserDisc player is a device designed to play video and audio (analog or digital) stored on LaserDisc. LaserDisc was the first optical disc format marketed to consumers; it was introduced by MCA DiscoVision in 1978. From 1978 until 1984, all LaserDisc player models read discs by using a helium–neon laser.
The system competed with Laserdisc for a few years, before being abandoned in 1984. Although, movie studios continued releasing titles in the format until 1986. JVC produced a system very similar to CED called Video High Density (VHD). It was launched in 1983 and marketed predominantly in Japan.
David Paul Gregg (March 11, 1923 – November 8, 2001) was an American engineer. He was the inventor of the optical disc (disk). Gregg was inspired to create the optical disc in 1958 while working at California electronics company Westrex, a part of Western Electric.
The so-called program area that contains the data commonly starts 25 millimetres away from the center point. [3] A typical disc is about 1.2 mm (0.047 in) thick, while the track pitch (distance from the center of one track to the center of the next) ranges from 1.6 μm (for CDs) to 320 nm (for Blu-ray discs ).