(redirected from high-definition formats)


(1) See also HD DVR.

(2) (High Definition DVD) A short-lived, high-capacity optical disc that held four hours of HD video on a single-sided, single-layer 15GB disk. Sanctioned by the DVD Forum in 2003, it gave way to Blu-ray in 2008.

HD DVD was based on the Advanced Optical Disc (AOD) technology from Toshiba and NEC and used a blue-violet laser that read pits half the size of a DVD on tracks packed tighter together. Like Blu-ray, HD DVD supported 1080p resolution and advanced video codecs (see H.264 and VC-1). An advantage for media manufacturers was that, unlike Blu-ray, traditional DVD stamping machines needed only minor modifications to make HD DVDs.

The first HD DVD drives were sold in the U.S. in 2006, and Microsoft offered the drive as an Xbox option. Despite its features and support, in 2008, the majority of movie studios and retail outlets chose Blu-ray over HD DVD, and the "format war" was over.

HD DVD Formats
Used for commercial movies, HD DVD-ROMs were pressed and read only. HD DVD-Rs were recorded once by the user, and HD DVD-RWs were rewritable. Hybrid HD DVDs were announced with HD DVD on one side and DVD on the other. In an attempt to resolve competition, dual-format HD DVD/Blu-ray players were also developed (see "Blu-ray History" in Blu-ray). See HD formats, DVD and DTV.

FULL-SIZE HD DVD (120mm) CAPACITIESSINGLE SIDED     DOUBLE SIDED HD                HDLayers  Storage  Hours    Storage  HoursSingle15GB    4       30GB     8

 Dual      30GB    8

 Triple    51GB   14
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SuiteVOD(TM) - Hollywood movies, informational programs, and a variety of pay-per-view Video-On-Demand content delivered in standard and high-definition formats
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market in 2006, Blockbuster began offering the high-definition formats on all titles in which it was available through blockbuster.
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HP, itself a major supporter of the Blu-ray format, said its proposal reflects its desire to ensure that customers are not forced to choose between competing high-definition formats for DVDs.
The new HD GVO solution supports 720p, 1035i and 1080i ATSC high-definition formats via software controls, offering operators a great deal of flexibility.
has produced in both high-definition formats in an effort to provide consumer choice, foster mainstream adoption and drive down hardware prices," said Jeff Bewkes, President and Chief Executive Officer, Time Warner Inc.
SuiteVOD(TM) -- Hollywood movies, informational programs, and a variety of pay-per-view Video-On-Demand content delivered in standard and high-definition formats
With a sense of deja vu to the 1980s format war between VHS and Beta, the two high-definition formats that debuted this year, Blu-ray and HD-DVD, will battle it out for the hearts and minds of consumers.
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com/, and will continue to offer both formats at its initial 250 stores that currently carry both high-definition formats.

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