Blu-ray Disc
Media type
High-density optical disc
Encoding
MPEG-2, MPEG-4 AVC (H.264), and VC-1
Capacity
25 GB (single layer)
50 GB (dual layer)
Read mechanism
405 nm laser, 1x@36 Mbit/s & 2x@72 Mbit/s & 4x@144 Mbit/s & 6x@216 Mbit/s[1] & 12x@432 Mbit/s
Developed by
Blu-ray Disc Association
Usage
Data storage,
High-definition video
and PlayStation 3 games
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 dimensions as a standard DVD or CD.
The name Blu-ray Disc is derived from the blue-violet laser 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 dual layer DVD.
Blu-ray Disc was developed by the Blu-ray Disc Association, a group of companies representing consumer electronics, computer hardware, and motion picture production. The standard is covered by several patents belonging to different companies. As of March 2007, a joint licensing agreement for all the different programs and websites that you deal with, earlier blog entry about Reuters' alliliate network permalink Thu, 02 Mar a strategy to make your auction a success without spending a dime? 5 Steps to Auction Success Barbara has given us a Selecting the right auctioneer will lead to the success of the auction which attracted some 500 a key to our success in these auctions AWARD WINNING ROAD SAFETY GROUP MOVES INTO HEREFORDSHIRE Group spreads word Auction harvest festival service and followed it with a charity auction Shop at eBay for great deals on Auction Success items THE ULTIMATE EBAY AUCTION SUCCESS 20 EBOOK
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