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v. t. e. 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).
CBHD Based on HD DVD format. Comparison of high definition optical disc formats. Digital rights management. HD DVD. HD NVD. High definition optical disc format war. Optical disc. PlayStation 3. PlayStation 4.
t. e. Ultra HD Blu-ray (4K Ultra HD, UHD-BD, or 4K Blu-ray) [ 2 ][ 3 ] is a digital optical disc data storage format that is an enhanced variant of Blu-ray. [ 4 ] Ultra HD Blu-ray supports 4K UHD (3840 × 2160 pixel resolution) video at frame rates up to 60 progressive frames per second, [ 4 ] encoded using High-Efficiency Video Coding. [ 4 ]
M-DISC's design is intended to provide archival media longevity. [3] [4] M-Disc claims that properly stored M-DISC DVD recordings will last up to 1000 years. [5]The M-DISC DVD looks like a standard disc, except it is slightly thicker [by how much?] and almost transparent with later DVD and BD-R M-Disks having standard and inkjet printable labels.
Commercial HD DVDs and Blu-ray discs integrate copy protection technology specified by the AACS LA. There are several interlocking encryption mechanisms, such that cracking one part of the system does not necessarily crack other parts. Therefore, the "09 F9" key is only one of many parts that are needed to play a disc on an unlicensed player.
Whether or not you actually watch your DVDs anymore, you likely have a bunch lying around -- and depending on what they are, they could fetch you some extra cash if you're interested in selling them.
CD+G (also known as CD-G, CD+Graphics and TV-Graphics[1]) is an extension of the compact disc standard that can present low-resolution graphics alongside the audio data on the disc when played on a compatible device. CD+G discs are often used for karaoke machines, which use this functionality to present on-screen lyrics for the song contained ...
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