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In addition, there were several more minor "format wars" between the various brands using various speeds ranging from 72 to 96 rpm, as well as needle or stylus radii varying from 0.0018 to 0.004 inches (0.046 to 0.102 mm) – the current 0.003-inch (0.076 mm) radius needle or stylus is a compromise as no company actually used this size.
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 ...
"VCR"-format cassettes in case (left) and on own (right). A full-size CD is shown for scale. Size comparison between a Betamax cassette (top) and a VHS cassette (bottom) The videotape format war was a period of competition or "format war" of incompatible models of consumer-level analog video videocassette and video cassette recorders (VCR) in the late 1970s and the 1980s, mainly involving the ...
HD DVD is the only high-def disc format that can decode 1080p25 while Blu-ray and HD DVD can both decode 1080p24 and 1080p30. 1080p25 content can only be presented on Blu-ray as 1080i50. ^ h Linear PCM is the only lossless audio codec that is mandatory for both HD DVD and Blu-ray disc players, only HD DVD players are required to decode two ...
The Blu-ray/HD DVD conflict resembled the earlier videotape format war between VHS and Betamax, partly because of Sony's strong involvement in both episodes. These format wars have often proved destructive to both camps because consumers, afraid of committing to a losing standard, would refrain from purchasing either. [3]
The format was commonly known as "videodisc", leading to much confusion with the contemporaneous LaserDisc format. LaserDiscs are read optically with a laser beam, whereas CED discs are read physically with a stylus (similar to a conventional phonograph record). The two systems are mutually incompatible.
The last-minute adoption of the hybrid DVD format was agreed to by all three companies in an effort to avoid a damaging format war, similar to that between Beta and VHS in the 1970s and 1980s. Toshiba failed to reach a similar compromise agreement with Sony in the race to develop a high-definition optical video disc format in the 2000s.
Star Wars: Episode III – Revenge of the Sith ... LaserDisc. This is a list of the best-selling LaserDisc ... (UMD) format for the PlayStation Portable ...