What (who) is Digital Versatile Disc - definition

OPTICAL DISC FORMAT FOR THE STORAGE AND PLAYBACK OF DIGITAL VIDEO AND OTHER DIGITAL DATA

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Digital Versatile Disc

<storage> (DVD, formerly "Digital Video Disc") An optical storage medium with improved capacity and bandwidth compared with the Compact Disc. DVD, like CD, was initally marketed for entertainment and later for computer users. [When was it first available?] A DVD can hold a full-length film with up to 133 minutes of high quality video, in MPEG-2 format, and audio. The first DVD drives for computers were read-only drives ("DVD-ROM"). These can store 4.7 GBytes - over seven times the storage capacity of CD-ROM. DVD-ROM drives read existing CD-ROMs and music CDs and are compatible with installed sound and video boards. Additionally, the DVD-ROM drive can read DVD films and modern computers can decode them in software in real-time. The DVD video standard was announced in November 1995. Matshusita did much of the early development but Philips made the first DVD player, which appeared in Japan in November 1996. In May 2004, Sony released the first dual-layer drive, which increased the disc capacity to 8.5 GB. Double-sided, dual-layer discs will eventually increase the capacity to 17 GB. Write-once DVD-R ("recordable") drives record a 3.9GB DVD-R disc that can be read on a DVD-ROM drive. Pioneer released the first DVD-R drive on 1997-09-29. By March 1997, Hitachi had released a rewritable DVD-RAM drive (by false analogy with random-access memory). DVD-RAM drives read and write to a 2.6 GB DVD-RAM disc, read and write-once to a 3.9GB DVD-R disc, and read a 4.7 GB or 8.5 GB DVD-ROM. Later, DVD-RAM discs could be read on DVD-R and DVD-ROM drives. Background (http://tacmar.com/dvd_background.htm). {RCA home (http://imagematrix.com/DVD/home.html)}. (2006-01-07)

DVD

Digital Versatile Disc

DVD-ROM

Digital Versatile Disc

Wikipedia

DVD

The DVD (common abbreviation for Digital Video Disc or Digital Versatile Disc) is a digital optical disc data storage format. It was invented and developed in 1995 and first released on November 1, 1996, in Japan. The medium can store any kind of digital data and has been widely used for video programs (watched using DVD players) or formerly for storing software and other computer files as well. DVDs offer significantly higher storage capacity than compact discs (CD) while having the same dimensions. A standard DVD can store up to 4.7 GB of storage, while variants can store up to a maximum of 17.08 GB.

Prerecorded DVDs are mass-produced using molding machines that physically stamp data onto the DVD. Such discs are a form of DVD-ROM because data can only be read and not written or erased. Blank recordable DVD discs (DVD-R and DVD+R) can be recorded once using a DVD recorder and then function as a DVD-ROM. Rewritable DVDs (DVD-RW, DVD+RW, and DVD-RAM) can be recorded and erased many times.

DVDs are used in DVD-Video consumer digital video format and less commonly in DVD-Audio consumer digital audio format, as well as for authoring DVD discs written in a special AVCHD format to hold high definition material (often in conjunction with AVCHD format camcorders). DVDs containing other types of information may be referred to as DVD data discs.

https://en.wikipedia.org/wiki/DVD

Examples of use of Digital Versatile Disc

1. Its full name is the Digital Versatile Disc, and it certainly lives up to the billing.

2. The compact disc and its cousin, the digital versatile disc (DVD), have changed how we listen to music, play games, and watch television and movies.

3. They begin with the now ubiquitous digital versatile disc (DVD) player, continue with next year‘s high–definition DVD players, and may end with no special player at all – your content will be stored digitally on a hard drive or online.

4. Examples of what Sundance can achieve abound.'4; To take just two: In January 2005, audiences at Sundance saw Murderball unfold, and awarded it their trophy for best documentary at the festival.'4; It focused on rugby as played by a tough, competitive group of paraplegic athletes, tracing their journey from local gyms in the American heartland to the Paralympics in Athens, Greece.'4; As it has been described, it‘s "a film about standing up, even after your spirit –– and your spine –– has been crushed."'4; Popular in American movie theaters, it now is available as a digital versatile disc.