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Blu-ray (Blu-ray Disc or BD) is a digital optical disc data storage format designed to supersede the DVD format. It was invented and developed in 2005 and released worldwide on June 20, 2006, capable of storing several hours of high-definition video (HDTV 720p and 1080p).
HD DVD is the only high-def disc format that can decode 1080p25 while Blu-ray and HD DVD can both decode 1080p24 and 1080p30. 1080p25 content can only be presented on Blu-ray as 1080i50. ^ h Linear PCM is the only lossless audio codec that is mandatory for both HD DVD and Blu-ray disc players, only HD DVD players are required to decode two ...
For Blu-ray discs, 1× speed is defined as 36 megabits per second (Mbit/s), which is equal to 4.5 megabytes per second (MB/s). [7] However, as the minimum required data transfer rate for Blu-ray movie discs is 54 Mbit/s, the minimum speed for a Blu-ray drive intended for commercial movie playback should be 2×. The fastest Blu-ray speed is 16×.
Typically, the M-Discs cost 1.5–3x the price of standard Blu-Ray discs with DVD M-Discs now having sparse availability. With the first-generation DVD M-DISCs, it was difficult to determine which was the writable side of the disc due to being near fully translucent, until coloring and later labels similar to that on standard DVD discs was ...
At the time of the report, upconverting DVD players cost around $70 versus $300 for Blu-ray players. [75] But in spring 2009, the number of Blu-ray players nearly doubled its year to date 2009 sales over the same period 2008: about 9 million high-definition units sold in the U.S. from January through March, up from the 4.8 million that sold ...
This is a list of the best-selling video titles sold on physical media (including VHS, DVD and Blu-ray) in the United States by year. 1984–1985 Best ...
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