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The space-consuming analog video signal of a LaserDisc limited playback duration to 30/36 minutes (CAV NTSC/PAL) or 60/64 minutes (CLV NTSC/PAL) per side, because of the hardware manufacturer's refusal to reduce line count and bandwidth for increased playtime, (as was done in VHS; VHS tapes had a 3 MHz video bandwidth, while LaserDisc preserves ...
"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 ...
Videodisc and VHS Cassette. Videodisc (or video disc) is a general term for a laser- or stylus-readable random-access disc that contains both audio and analog video signals recorded in an analog form. Typically, it is a reference to any such media that predates the mainstream popularity of the DVD format.
CED players, from an early point in their life, appealed to a lower-income market more than VHS, Betamax, and LaserDisc. The video quality (approximately 3 MHz of luma bandwidth for CED [1]) was comparable to or better than a VHS-SP or Betamax-II video, but sub-par compared to LaserDisc (about 5 MHz of luma bandwidth).
JVC VHS vs. Sony Betamax vs. Philips Video 2000, the analog video videotape format war. The competition started in 1976 and by 1980, VHS controlled 70% of the North American market. VHS's main advantage was its longer recording time. From the consumer perspective, VHS blank media held more hours and therefore was less expensive.
The LaserDisc provided picture quality nearly double that of VHS tape and analog audio quality far superior to cheap mono VHS recorders (although the difference to the more expensive VHS HiFi stereo recorders was minuscule). Philips later teamed up with Sony to develop a new type of disc, the compact disc or CD.
Video High Density (VHD) was an analog video disc format storing up to 60 minutes per side, predominantly marketed by JVC in Japan.In contrast to the optical LaserDisc format, the VHD format was read with a physical stylus.
The LaserDisc format stored analog video signals for the distribution of home video, but commercially lost to the VHS videocassette format, due mainly to its high cost and non-re-recordability; other first-generation disc formats were designed only to store digital data and were not initially capable of use as a digital video medium.
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