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DVD

DVD Definition

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Definition

DVD: Officially known as the Digital Versatile Disc, though it is commonly referred to as a Digital Video Disc. DVD uses a 5-inch disc with anywhere from 4.5 Gb (single layer, single-sided) to 17 Gb storage capacity (double-layer, double sided). Can act as a disk for audio, video, data or a mixture of them all.

Types of DVDs

DVD-ADigital Versatile Disc-Audio. Enhanced audio format with up to six channels of high-resolution, 24-bit/96-kHz audio encoded onto a DVD, usually using MLP lossless encoding. Requires a DVD-A player and a controller with 6-channel inputs (or a proprietary digital link) for full compatibility.
DVD-RA recordable DVD format similar to CD-R in that it is a write-once medium. Backed by Pioneer, Panasonic, Toshiba, and others.
DVD-RWA recordable DVD format similar to CD-RW in that it is re-recordable medium. Backed by Pioneer, Panasonic, Toshiba, and others.
DVD+RA recordable DVD format similar to CD-R in that it is a write-once medium. Backed by Sony, Philips, Yamaha, HP, and others.
DVD+RWA recordable DVD format similar to CD-RW in that it is re-recordable medium. Backed by Sony, Philips, Yamaha, HP, and others.
DVD-RAMA recordable DVD format similar to DVD-RW in that it is a re-writeable format. Unlike DVD-RW it is capable of being written to and erased over 100,000 times. Backed by Hitachi, Panasonic, Toshiba, and others.

Taken from : http://www.hometheatermag.com/glossary/

Legality of DVDs in Linux

There are many arguments over whether or not having software which plays DVDs in linux is legally, or ethically correct, due to the fact they are only enabled because some programmers managed to break the encryption algorithm which was designed to stop piracy of DVDs.

More infomation is available from: http://cse.stanford.edu/class/cs201/projects-99-00/dvd-css/hacking.htm and Google gives you many places to find more infomation, but beware, this is a subject ridden with flamewars and trolls who love Linux bashing, for whatever reason it may be.

Further reading and tutorials

See also

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Last modified: Sun, 31 Aug 2008 21:19:00 +0000 Hits: 19,596