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- Media type: Optical disc
- Capacity: 4.7 GB (single-sided single-layer), 8.54 GB (single-sided double-layer)
- Read mechanism: 650 nm laser, 1350 kB/s (1×)
- Write mechanism: 1350 kB/s (1×)
- Usage: Data storage, video, audio, games
- Introduced for sale in 1995
- Stands for "Digital Versatile Disc" or "Digital Video Disc"
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DVD is the currently the most popular home video format. Higher-resolution formats include Sony's Blu-Ray technology and Toshiba's HD-DVD system. DVDs are able to store more than six times as much information as a standard compact disc. Primary usage of DVDs include movies, music, games, and storage of data.
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History
Two high-density optical storage formats were created in 1993. These were the MultiMedia Compact Disc (MMCD) and the Super Density (SD) disc. The Technical Working Group (made up of several computer companies) was formed to boycott both formats unless the two converged into one single standard. The warring companies soon agreed to converge and the single DVD format was created. Major electronics and computer companies soon adopted the DVD format. Movies began to be converted to DVD to replace VHS tapes. VHS was discontinued in 2006. -
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DVD Questions
Can anyone recommend a good DVD ripper? Preferrably for Mac but PC ok. 2 AnswersThere are two highly acclaimed rippers on the Mac. One is MacTheRipper & the other is Handbrake. According to the podcasts I listen to (cnet, Leo Laporte th... read more
Anyone know how to fix a skipping dvd? 1 Answer1. Try to clean it with some water and soap. If that doesn't work, 2. Try to read it in several PC's and if one works fine, use it to copy it to a new blank DVD... read more
I wanna know the difference between Dvd-R and Dvd+R. Can someone tell me? And does it matter? 1 AnswerThe simple answer is error correction. DVD +R has a SLIGHT advantage over DVD -R, but the difference is really unnoticeable to the end user. DVD -R also has a... read more
Can anyone recommend a good DVD copy software that's free? 2 AnswersFor DVD copying, I would use DVDShrink, because with it, you can back up your dvd's, but you can also remove parts. What if you don't like menus and think that... read more




