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The CD-ROM was announced in 1984 [7] and introduced by Denon and Sony at the first Japanese COMDEX computer show in 1985. [8] In November 1985, several computer industry participants, including Microsoft, Philips, Sony, Apple and Digital Equipment Corporation, met to create a specification to define a file system format for CD-ROMs. [9]
A Macintosh Quadra 660AV with a caddy-based CD drive. Caddies date at least to the Capacitance Electronic Disc, which used a caddy from 1981 to protect the grooves of the disc. [2] Some early CD-ROM drives used a mechanism where CDs had to be inserted into special cartridges, somewhat similar in appearance to a jewel case. Although the idea ...
The Capacitance Electronic Disc (CED) is an analog video disc playback system developed by Radio Corporation of America (RCA), in which video and audio could be played back on a TV set using a special stylus and high-density groove system similar to phonograph records.
Portable players, more so portable CD players but also some portable DVD players, that invariably include an ASP feature (Anti-Skip-protection), struggle with CD-R/RW, DVD-R/RW and DVD+R/RW discs – due to the ASP feature being enabled. This is due to the limited read capability of such write-yourself media discs over retail pressed discs.
As of 2007 DVD is the de facto standard for pre-recorded movies, and popular storage of data beyond the capacity of CD. With the development of high-definition television , and the popularization of broadband and digital storage of movies, a further format development took place, again giving rise to two camps: HD DVD and Blu-ray , based upon a ...
[citation needed] The meeting report evolved from the Yellow Book CD-ROM standard, which was so open ended it was leading to diversification and creation of many incompatible data storage methods. The High Sierra Group Proposal (HSGP) was released in May 1986, defining a file system for CD-ROMs commonly known as the High Sierra Format.
The CD-i player 100 series, which consisted of the three-unit 180/181/182 professional system, first demonstrated at the CD-ROM Conference in March 1988. The CD-i player 200 series, which includes the 205, 210, and 220 models. Models in the 200 series were designed for general consumption, and were available at major home electronics outlets ...
The first commercial digital disk storage device was the IBM 350 which shipped in 1956 as a part of the IBM 305 RAMAC computing system. The random-access, low-density storage of disks was developed to complement the already used sequential-access, high-density storage provided by tape drives using magnetic tape.