explain about blue ray disk
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Blu-ray or Blu-ray Disc is a digital optical disc data storage format.
It was designed to supersede the DVD format, and is capable of storing several hours of video in high-definition and ultra high-definition resolution.
Dimensions: 120 mm (4.7 in) diameter; 1.2 mm thickness
Write mechanism: 405 nm diode laser at a speed of 16X media rate (as of July-2017)
Developed by: Blu-ray Disc Association
Block size: 2 KB sector, 64 KB ECC-block.
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- : Blue ray disk : -
→Blu-ray (not Blue-ray) also known as Blu-ray Disc (BD), is the name of a new optical disc format jointly developed by the Blu-ray Disc Association (BDA), a group of the world’s leading consumer electronics, personal computer and media manufacturers (including Apple, Dell, Hitachi, HP, JVC, LG, Mitsubishi, Panasonic, Pioneer, Philips, Samsung, Sharp, Sony, TDK and Thomson).
→The format was developed to enable recording, rewriting and playback of high-definition video (HD), as well as storing large amounts of data.
→The format offers more than five times the storage capacity of traditional DVDs and can hold up to 25GB on a single-layer disc and 50GB on a dual-layer disc.
→This extra capacity combined with the use of advanced video and audio codecs will offer consumers an unprecedented HD experience