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  1. REDIRECT

DVD ( "digital versatile disc"<ref>Popular Mechanics, June 1997, p. 69;</ref><ref>Jim Taylor, DVD demystified, McGraw Hill, 1998, 1st edition, p. 405</ref> or "digital video disc"<ref>{{#invoke:citation/CS1|citation |CitationClass=web }}</ref>) is a digital optical disc storage format invented and developed by Philips, Sony, Toshiba, and Panasonic in 1995. The medium can store any kind of digital data and is widely used for software and other computer files as well as video programs watched using DVD players. DVDs offer higher storage capacity than compact discs while having the same dimensions.

Pre-recorded DVDs are mass-produced using molding machines that physically stamp data onto the DVD. Such discs are known as 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 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.


DVD sections
Intro   Etymology    History    Specifications    DVD recordable and rewritable    Capacity   DVD drives and players   DVD-Video    DVD-Audio    Successors    Longevity    See also    References    Further reading    External links   

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