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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]
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 LV-ROM is a specialized variation of the CAV Laserdisc. LV-ROM is an initialism for "LaserVision Read-Only Memory". Like Laserdisc, LV-ROM discs store analog audio and video by encoding it in pulse-width modulation. However, LV-ROM also stores computer files via the Advanced Disc Filing System, which is the file system used by Acorn Computers.
There are numerous formats of recordable optical direct to disk on the market, all of which are based on using a laser to change the reflectivity of the digital recording medium in order to duplicate the effects of the pits and lands created when a commercial optical disc is pressed.
The same year, Sony demonstrated a LaserDisc data storage format, with a larger data capacity of 3.28 GB. [20] In the late 1980s and early 1990s, Optex, Inc. of Rockville, MD, built an erasable optical digital video disc system U.S. patent 5,113,387 using Electron Trapping Optical Media (ETOM) U.S. patent 5,128,849. Although this technology was ...
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.
New consumer digital cameras with CCD sensors stopped being released in the early 2010s, and the few that offered USB charging only supported it via a non-standard cable. [42] Proprietary cables , chargers, and batteries can be difficult to come by, especially when discontinued, which makes support for standard AA or AAA batteries (especially ...
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.