It used much larger discs than the later formats. A consumer optical disc data format known as the LaserDisc was developed in the United States, and first came to market in Atlanta, Georgia in December 1978.
Optical recording technology was invented by David Paul Gregg and James Russell in 1963 and first patented in 1968. There were several formats developed for recording video on optical discs before the DVD. Kees Schouhamer Immink received a personal technical Emmy award for his contributions to DVD and Blu-ray disc. "Digital versatile disc" is the explanation provided in a DVD Forum Primer from 2000 Īnd in the DVD Forum's mission statement. Toshiba had been using the name 'digital video disc', but that was switched to 'digital versatile disc' after computer companies complained that it left out their applications." The Oxford English Dictionary comments that, "In 1995, rival manufacturers of the product initially named digital video disc agreed that, in order to emphasize the flexibility of the format for multimedia applications, the preferred abbreviation DVD would be understood to denote digital versatile disc." The OED also states that in 1995, "The companies said the official name of the format will simply be DVD. DVDs containing other types of information may be referred to as DVD data discs. Rewritable DVDs ( DVD-RW, DVD+RW, and DVD-RAM) can be recorded and erased many times.ĭVDs 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). Blank recordable DVD discs ( DVD-R and DVD+R) can be recorded once using a DVD recorder and then function as a DVD-ROM. Such discs are a form of DVD-ROM because data can only be read and not written or erased. Prerecorded DVDs are mass-produced using molding machines that physically stamp data onto the DVD.
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However, as with CDs, the information and data storage will begin to degrade over time with most standard DVDs lasting up to 30 years depending the type of environment they are stored and whether they are full with data. DVDs offer higher storage capacity than compact discs while having the same dimensions.
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Currently allowing up to 17.08 GB of storage, the medium can store any kind of digital data and was widely used for software and other computer files as well as video programs watched using DVD players. The DVD (common abbreviation for Digital Video Disc or Digital Versatile Disc) is a digital optical disc data storage format invented and developed in 1995 and released in late 1996.