DVD Forum finalises HD DVD-RW disc spec
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The DVD Forum moved a step further toward the advent of HD DVD media and drives with the approval of key physical specifications at a meeting of the organisations steering committee last week.
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Company is the latest to pick a side in the battle of high-definition disc formats.
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Asus ha lanciato sul mercato il DRW-1604P, un masterizzatore DVD compatibile con i supporti a doppio strato (DL) e in grado di scrivere i formati DVD+Re DVD-R alla velocitÃ  di 16X. In modalitÃ  double layer
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The DVD+RW Alliance has announced the release of final draft specifications for 8x rewriting on DVD+RW media produced by Hewlett Packard, MKM, Philips, Ricoh, Sony and Yamaha.
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A consortium of Chinese university engineers and government officials, in cooperation with a Chinese video standards group that includes globally recognized manufacturers, plus the DVD Forum, have come to an agreement on a standard specification for a blue-laser disc mechanism and format specifically for the Chinese market. It means China could be producing low-price HD DVD mechanisms by this next summer.
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Will the competing next-generation optical disc standards ever meet in the same device? Not for now, it seems.
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How abstract should your specs be? Column â¦
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Don Reisinger is fed up with the high-def format war and has even stopped caring about which format will come out on top.  Are you in that group too?
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Blue-laser disc format's standard adopts new video codecs.
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Integrated video engine to offer DVD quality on a handheld
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The Forum also approved the format&#39;s logotype, which will now read as &#39;High Density&#39; DVD rather than &#39;High Definition&#39;.
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Rewriteable version of the next-gen DVD format moves closer to mass production.
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(InfoWorld) - It's an interesting contrast: consumers are fast ditching videotape for DVDs and hard disks, but the people who make TV shows are sticking to tape for some cutting edge applications. When it comes to recording broadcast-quality HDTV, today's optical disc systems just can't spin fast enough to keep up with the video -- but that may be about to change. Current optical disc systems are speed-capped at about 10,000 rpm (revolutions per minute.) Spin them any faster and there's a danger the discs will physically disintegrate in the drive leaving nothing but a pile of sharp plastic splinters and data that is gone forever. And even if they don't break apart the disc can begin to wobble making reliable recording a problem. Engineers at the Science and Technical Research Laboratories (STRL) of Japan's public broadcaster, NHK (Nippon Hoso Kyokai), are working on an optical disc recording system based on consumer Blu-ray Disc technology that can spin as fast as 15,000 rpm without these problems and demonstrated it last week. It's needed because broadcast quality HDTV signals of the type NHK records stream at 250MbpsÂ making a fast-spinning optical disc a necessity. A 1X Blu-ray Disc records at 36Mbps so the new system is equivalent to 7X speed. NHK has gotten around the stress problem by making a flexible disc that is just 0.1 millimeters thick. The disc, which was co-developed with Ricoh, is essentially the recording layer from a Blu-ray Disc without the 1.1 millimeter plastic substrate that is used to give the disc rigidity. It won't break apart at higher speeds but is not rigid enough to be useful in a drive at any speed. To solve this second problem a thick stabilizing plate has been added into the drive. When spun, the disc is kept steady by the stabilizer and can be used up to 15,000 rpm, said Daiichi Koide, an engineer at NHK STRL. The set-up is similar to Hitachi Maxell's Stacked Volumetric Optical Disc (SVOD) that wasÂ introduced in prototype formÂ at last year's Ceatec exhibition in Japan and shown again at Cebit in Germany this year. SVOD packs several 0.1 millimeter thick optical discs into a cartridge and holds them against a stabilizer in the drive to keep them steady while in use. However there is a key difference between the two, said Koide. In the NHK drive the stabilizer doesn't rotate. If it did it would be susceptible to the same stresses that as the discs. The result is that NHK can spin the disc up to 15,000 rpm without any mechanical problems. The system is still under development and there's no word on when it will literally be ready for prime time. NHK envisages cartridges stuffed with a number of the thin discs that can replace videotapes. Â
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DECEMBER 01, 2004 (IDG NEWS SERVICE) - TOKYO -- The group supporting the HD-DVD optical disc format for high-definition video has received a boost in its battle against the rival Blu-ray Disc format with pledges of support from a number of Hollywood
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UPDATED - The Roxio division of Sonic Solutions will continue to produce software that supports HD DVD, the parent company told BetaNews today, even while it phases out its HD DVD professional authoring software line.
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Company is the latest to choose sides in the next-generation DVD format battle.
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We test this next-generation DVD technology, and get mixed results.