HD DVD

HD-DVDhigh definition3× DVDHDHD DVD Computer DriveHD DVD moviesHD-DVD-RHigh-Definition Digital Versatile DiscHome HD DVD players
HD DVD (short for High Definition Digital Versatile Disc) is an obsolete high-density optical disc format for storing data and playback of high-definition video.wikipedia
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High-definition optical disc format war

high definition optical disc format warformat waradvocates of the rival formats
On February 19, 2008, after a protracted format war with rival Blu-ray, Toshiba abandoned the format, announcing it would no longer manufacture HD DVD players and drives.
The high-definition optical disc format war was between the Blu-ray and HD DVD optical disc standards for storing high-definition video and audio; it took place between 2006 and 2008 and was won by Blu-ray Disc.

China Blue High-definition Disc

CBHDCH-DVD
The HD DVD physical disc specifications (but not the codecs) were used as the basis for the China Blue High-definition Disc (CBHD) formerly called CH-DVD.
The format is a derivative of the HD DVD, a medium created by the DVD Forum designed to succeed regular DVDs.

DVD Forum

DVD Consortium
The DVD Forum (chaired by Sony) was deeply split over whether to go with the more expensive blue lasers or not.
The DVD Forum is an international organization composed of hardware, software, media and production companies that use and develop the DVD and formerly HD DVD formats.

Toshiba

Toshiba CorporationToshiba Heavy IndustriesToshiba Records
Supported principally by Toshiba, HD DVD was envisioned to be the successor to the standard DVD format.
Toshiba is responsible for a number of Japanese firsts, including radar (1912), the TAC digital computer (1954), transistor television and microwave oven (1959), color video phone (1971), Japanese word processor (1978), MRI system (1982), laptop personal computer (1986), NAND EEPROM (1991), DVD (1995), the Libretto sub-notebook personal computer (1996) and HD DVD (2005).

High-definition video

HDhigh definitionhigh-definition
HD DVD (short for High Definition Digital Versatile Disc) is an obsolete high-density optical disc format for storing data and playback of high-definition video.

Optical disc

optical mediaoptical data storageoptical discs
HD DVD (short for High Definition Digital Versatile Disc) is an obsolete high-density optical disc format for storing data and playback of high-definition video.
Blu-ray eventually prevailed in a high definition optical disc format war over a competing format, the HD DVD.

Sony

Sony CorporationSony ElectronicsSony Corp.
JVC's D-VHS and Sony's HDCAM formats could store that amount of data, but were neither popular nor well-known.
The format emerged as the standard for HD media over the competing format, Toshiba's HD DVD, after a two-year-long high-definition optical disc format war.

Sanyo

Sanyo ElectricSanyo Electric Co., Ltd.Sanyo Bussan
Its members comprised Toshiba as the Chair Company and Secretary, Memory-Tech Corporation and NEC as Vice-Chair companies, and Sanyo Electric as Auditors; there were 61 general members and 72 associate members in total.
More recently, though, Sanyo decided against supporting Sony's format, the Blu-ray Disc, and instead gave its backing to Toshiba's HD DVD.

Enhanced VOB

EVO.evo
In this file system, multiplexed audio and video streams are stored in EVO container format.
Enhanced Video Object, also known as Enhanced VOB, EVOB or EVO, is a container format for HD DVD video media.

Shuji Nakamura

Nakamura, ShujiS. NakamuraShūji Nakamura
Shuji Nakamura invented practical blue laser diodes, but a lengthy patent lawsuit delayed commercial introduction.
Nakamura has also worked on green LEDs, and is responsible for creating the white LED and blue laser diodes used in Blu-ray Discs and HD DVDs.

Blu-ray Disc Association

BDAB.D.A.Blu-ray Disc Foundation
In February 2002, the project was officially announced as Blu-ray Disc, and the Blu-ray Disc Association was founded by the nine initial members.

One Six Right

One Six Right: The Romance of Flying
The first independent HD film released on HD DVD was One Six Right.
Filmed entirely in high definition, One Six Right took an industry leading position as the first independently financed and produced film shot in high definition and distributed on DVD in both SD and HD formats.

Warner Home Video

Warner Bros. Home EntertainmentWarner Bros. Home VideoWarner Home Entertainment
They were The Last Samurai, Million Dollar Baby, and The Phantom of the Opera by Warner Home Video and Serenity by Universal Studios.
On September 26, 2006, Warner Home Video became the first company to release a title in three formats on the same day and date with the home release of The Lake House on DVD, Blu-ray and HD DVD.

DVD

DVD-ROMDVDsDVD-9
Supported principally by Toshiba, HD DVD was envisioned to be the successor to the standard DVD format. In March 2002, the forum voted to approve a proposal endorsed by Warner Bros. and other motion picture studios that involved compressing HD content onto dual-layer DVD-9 discs.
In 2006, two new formats called HD DVD and Blu-ray Disc were released as the successor to DVD.

Universal Disk Format

UDFUDF (Universal Disk Format).udf format
As with previous optical disc formats, HD DVD supports several file systems, such as ISO 9660 and Universal Disk Format (UDF).

VC-1

SMPTE VC1VC-1/WMV3VC1
HD DVD video can be encoded using VC-1, H.264/MPEG-4 AVC, or H.262/MPEG-2 Part 2.
VC-1 is supported in the now deprecated Microsoft Silverlight framework, the now discontinued HD DVD, and in the Blu-ray Disc.

Blue laser

blue laser diodeblue laser diodesBlue Lasers
Shuji Nakamura invented practical blue laser diodes, but a lengthy patent lawsuit delayed commercial introduction. Because all variants except 3× DVD and HD REC employed a blue laser with a shorter wavelength, HD DVD stored about 3.2 times as much data per layer as its predecessor (maximum capacity: 15 GB per layer compared to 4.7 GB per layer).
The new invention enabled the development of small, convenient and low-priced blue, violet, and ultraviolet (UV) lasers, which had not been available before, and opened the way for applications such as high-density HD DVD data storage and Blu-ray discs.

Serenity (2005 film)

SerenityR. Tam sessionsfilm
They were The Last Samurai, Million Dollar Baby, and The Phantom of the Opera by Warner Home Video and Serenity by Universal Studios.
Serenity was released on HD DVD on April 18, 2006 and was the first Universal Studios film to be released on the format.

Advanced Access Content System

AACSVolume IDAdvanced Access Copy System
If a publisher wishes to restrict use of its HD DVD content, it may use the Advanced Access Content System (AACS) although this is not required for normal disc playback.
The specification was publicly released in April 2005 and the standard has been adopted as the access restriction scheme for HD DVD and Blu-ray Disc (BD).

Pan's Labyrinth

Pan's Labyrinth (El laberinto del fauno)El laberinto del faunoPan's Labyrinth''' (El laberinto del fauno)
Pan's Labyrinth is also notable for being New Line Cinema's only film to ever be released on HD DVD, as they quickly shifted to Blu-ray.
High definition versions of Pan's Labyrinth were released in December 2007 on both Blu-ray Disc and HD DVD formats.

D-VHS

D-TheaterDigital-VHS (D-VHS)
JVC's D-VHS and Sony's HDCAM formats could store that amount of data, but were neither popular nor well-known.

Warner Bros.

Warner BrothersWarner Bros. PicturesWarner Bros
In March 2002, the forum voted to approve a proposal endorsed by Warner Bros. and other motion picture studios that involved compressing HD content onto dual-layer DVD-9 discs.
Warner Bros. played a large part in the discontinuation of the HD DVD format.

Blade Runner

Blade Runner: The Final CutVoight-Kampff machineBlade Runner 1: A Story of the Future
Multi-disc sets were exchangeable at a discount, e.g., $14.95 for the 5-disc Blade Runner release, rather than $24.75.
Scott's The Final Cut (2007, 117 minutes) was released by Warner Bros. theatrically on October 5, 2007, and subsequently released on DVD, HD DVD, and Blu-ray Disc in December 2007.

Best Buy

BestBuyBest Buy CanadaBest Buy Co
This was followed by news of Netflix phasing out support for the format, and Best Buy's decision to recommend Blu-ray Disc over HD DVD in its retail locations and to remove HD DVD players as part of its ongoing "HDTV advantage" promotion.
Also in March, the company began promoting the Blu-ray optical-disc format over the HD DVD format, a move which ultimately contributed to Toshiba's decision to drop HD DVD.

Videotape format war

format warformat warsBeta
Much like the VHS vs. Betamax videotape format war during the late 1970s and early 1980s, HD DVD was competing with a rival format—in this case, Blu-ray Disc.
A later format war resulted from a failure to agree on a single standard for DVD's high-definition successor (HD DVD) in May 2005.