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Blu-ray Disc (BD-R/BD-RE) Media |
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| Blu-ray Disc is the next-generation optical disc format, developed to enable recording and playback of high-definition (HD) video, as well as storing ....details |
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| Blu-ray Disc is the next-generation optical disc format, developed to enable recording and playback of high-definition (HD) video, as well as storing ....details |
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Blu-ray Disc (also known as Blu-ray or BD) is an optical disc storage media format. Its main uses are high-definition video and data storage. The disc has the same physical dimensions as a standard DVD or CD.
The name Blu-ray Disc is derived from the blue laser (violet colored) used to read and write this type of disc. Because of its shorter wavelength (405 nm), substantially more data can be stored on a Blu-ray Disc than on the DVD format, which uses a red (650 nm) laser. A dual layer Blu-ray Disc can store 50 GB, almost six times the capacity of a double-dual layer DVD (or more than 10 times if single-layer).
During the high definition optical disc format war, Blu-ray Disc competed with the HD DVD format. On February 19, 2008, Toshiba the main company supporting HD DVD announced it would no longer develop, manufacture, and market HD DVD players and recorders, leading almost all other HD DVD companies to follow suit, effectively ending the format war.
Blu-ray Disc was developed by the Blu-ray Disc Association, a group representing consumer electronics, computer hardware, and motion picture production. As of September 20, 2008 more than 850 Blu-ray Disc titles have been released in the United States and more than 500 Blu-ray Disc titles have been released in Japan. There are expected to be over 1500 Blu-ray Disc titles released in the United States by the end of 2008.
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