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3D Technology

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DreamWorks Animation

 

 

 

S-VHS

 

S-VHS the common initialism for Super VHS, is an improved version of the VHS standard for consumer-level video recording. Victor Company of Japan introduced S-VHS in Japan in April 1987 with their JVC-branded HR-S7000 VCR, and in certain overseas markets soon afterward.
As an added bonus, due to the increased bandwidth of S-VHS, teletext data (PAL) signals can be recorded along with the normal video signal. As a result, this teletext data is also able to be decoded and displayed on-screen as an overlay of the conventional TV picture (though not on standard VHS machines). A suitably teletext-equipped receiver/decoder (TV, PC card, etc.) displays the recorded teletext data information as if the video were being viewed as a real-time live broadcast.
In order to take advantage of the enhanced capabilities of the S-VHS system, i.e., for the best recordings and playback, an S-VHS VCR requires S-VHS video tape cassettes. These have a different oxide media formulation for higher magnetic coercivity. S-VHS video cassettes are sensed and identified by the video cassette recorder via a specific internal profile within a hole in the underside of the S-VHS video cassette body.
Despite its designation as the logical successor to VHS, S-VHS did not come close to replacing VHS. In the home market, S-VHS failed to gain significant market share. For various reasons, consumers were not interested in paying more for an improved picture. Likewise, S-VHS rentals and movie sales did very poorly. A few pre-recorded movies were released to S-VHS, but poor market acceptance prompted studios to transition their high-end product from S-VHS to Laserdisc, and then onto DVD.
As of 2007, consumer S-VHS VCRs were still available, but difficult to find in retail outlets. The largest VCR manufacturers, such as Matsushita (Panasonic) and Mitsubishi, gradually moved to DVD recorders, and hard-disk based digital video recorders (DVRs). Combination DVD/VCR units rarely offered S-VHS format standard, only VHS. In the mainstream consumer camcorder market, miniDV, DVD, and—eventually—solid state memory-based camcorders replaced S-VHS-C camcorders. Digital camcorders generally outperform S-VHS-C units in most technical aspects: audio/video quality, recording time, lossless duplication, and form-factor. The videotapes themselves are available, mostly by mail order or online, but are vanishingly rare in retail channels, and substantially more expensive than high-quality standard VHS media.
In the U.S. market, the mainstream consumer market had largely ignored the release of S-VHS. With the Betamax market already in sharp decline, a "format war" for the next generation of video simply did not materialize. Sony discontinued the ED-Beta product line in the U.S. market after less than two years, handing S-VHS a victory by default, if it can even be called that. (VHS decks continued to outsell S-VHS decks until the end of the VCR product life cycle.)
It is not unusual to see the term S-VHS incorrectly used to refer to S-Video connectors (also called Y/C connectors), even in printed material. This may be due to S-VHS having been one of the more common consumer video products equipped with the S-Video connector. However, S-Video connectors became common on many other video devices: DVD players and recorders, MiniDV and Hi8 camcorders, cable/satellite set-top boxes, TV-compatible video outputs on computers and video game consoles, and inputs on TV sets themselves. Where the S- in S-VHS means "super", the S- in S-Video refers to the "separated" luminance and chrominance signals.