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The two most optimal ways to view a movie from a home TV come are high-definition (HD) DVD and Blu Ray discs. Both provide outstanding digital images and sound. You cannot go wrong with either viewing standard, but here are some differences to consider. more »
High Definition Digital Versatile Disc (or HD DVD for short) is a high-capacity data storage format designed primarily to hold high definition audio and video. HD DVD was designed by Toshiba and heralded on arrival as the next step in DVD technology. The format soon engaged in a war for domination of the market with a similar high... more »
Some video playback programs on a computer do not recognize all type of video formats. If this happens, it will be necessary to convert those unreadable video files into a more recognized format. An HD DVD video will be formatted in a .VOB file extension. If a user wanted to create and save a video file of his HD DVD to his computer,... more »
Both HD-DVD and Blu-ray are DVD formats designed to provide high definition video output on dedicated players. (The formats can also be used for data storage.) With the rise of the HDTV, DVD manufacturers had to develop disc formats that would provide video quality to match the HDTV's capabilities. HD-DVD was launched in the United... more »
The DVD--Digital Versatile Disc or Digital Video Disc--is a media format that offers high-quality video and audio for home video use and video games as well as high-capacity data storage for computers. The technology has evolved into a variety of specific types for different uses. more »
Interested in getting a Blu-ray DVD player or some Blu-ray DVDs for your home theater? If so,...
You can throw away that old Betamax now. Oh you already have? Well you can also throw away...
HD-DVD is a High Definition format of DVDs and players that hit the market as an upgrade from standard DVD. It provided a sharper, brighter... more »
HD DVDs are known for providing better-quality pictures than traditional DVDs. If you purchase an HD DVD, make sure you have all of the necessary... more »
If you have an HD-DVD you want to be able to put on a portable device or use in other programs, you must get that HD-DVD into a compatible file... more »
While Blu-ray Discs and HD-DVDs have substantial differences, they both function as high-definition video formats. Both offer storage capacity far... more »
With the rapidly increasing changes in entertainment technology, the need to adapt from one such technology to another is essential not only to... more »
not insert the publicly disclosed HD DVD key into this article for the time being.
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HD DVD (short for High-Definition/Density DVD) was a high-density optical disc format for storing data and high-definition video."No_Refunds">
Supported principally by Toshiba, HD DVD was envisaged to be the successor to the standard DVD format. However, in February 2008, after a protracted high definition optical disc format war with rival Blu-ray, Toshiba abandoned the format, announcing it would no longer develop or manufacture HD DVD players or drives."No_Refunds"/> The HD DVD Promotion Group was dissolved on March 28, 2008. (Engadget, March 28, 2008)
Since all variants except 3× DVD and HD REC employed a blue laser with a shorter wavelength, HD DVD could store about 3¼ times as much data per layer as its predecessor (maximum capacity: 15 GB per layer instead of 4.7 GB per layer).
History
In the mid 1990s, commercial HDTV sets started to enter a larger market. However, there was no cheap way to record or play back HD content. There was no cheap storage medium that could store that amount of data, except JVCs D-VHS and Sonys HDCAM, neither of which were popular or even well-known. However, it was well known that using lasers with shorter wavelengths would yield optical storage with higher density. When Shuji Nakamura invented practical blue laser diodes, it was a sensation, although a lengthy patent lawsuit delayed commercial introduction.
Origins and competition from Blu-ray Disc
Sony started two projects applying the new diodes: UDO (Ultra Dens read more at » http://en.wikipedia.org/wiki/HD+DVD
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