Article by Sammy Jackson
Blu-ray, popularly known as BD or blue-ray discs, is a next-generation optical disc that has been developed by the Blu-ray Disc Association. The group consists of leading patron electronics giants, PC and media makers, like Philips, Samsung, Sony, pointy, HP, Hitachi and Panasonic, to name a couple. The blu ray recorder format enables recording, re-phrasing and playback of high definition video ( HD ). One major advantage the technology has over conventional DVDs is that it allows for more storage capability. It can hold up to 25GB on a single layered disc and 50GB on a dual-layer disc. The technology also incorporates sophisticated video and audio codes for the final high definition viewing experience. The name Blu-ray is employed as the format uses a blue-violet laser, rather than a red laser as in the case of traditional DVDs.
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Another major advantage with Blu-ray format lies in the indisputable fact that the whole technology is backwards compatible. You can now play your old CDs and DVDs through a BD/DVD/CD compatible unit. The blue-violet laser has a shorter wavelength than a red laser, which can enable it to concentrate on a disc area with bigger precision. The info is also packed on the surface of a disc more firmly. This explains the disc’s capacity to store more information, although it is of the same size as a normal CD.
Blu-ray discs have a maximum capacity of 25GB and dual-layer discs can hold up to 50GB – enough for 4 hours of HDTV. Like HD-DVD, Blue laser discs don’t need a caddy and the players and recorders will be able to play current DVD discs. Codecs supported by Blu-ray include the H.264 MPEG-4 codec that may form part of Apple’s QuickTime seven, and the Windows Media 9 based VC-1.
Now that the dual layer Blu-ray disc writers have hit the market, it has certainly heated up the war between Blu ray and DVD writers, and every time you go buying electronic gadgets you will doubtless be advised to buy one of these 2 sorts of products. In fact, to the general public, owning twin layer Blu-ray disc writers would represent a major shift up in technology and with Blu-ray discs offering a lot more storage space, there’s every reason why folks would buy them and so the need will also arise for them to possess twin layer Blu-ray disc writers.
A key reason to think about investing in a Blu-ray player or recorder is to use its high definition capabilities. What good is that 50-inch HD plasma TV if you can not enjoy your movies in all their HD glory? Major movie studios support Blu-ray technology with many now releasing flicks totally in the Blu-ray format. You won’t have to toss your DVD collection either as Blu-ray players are backwards-compatible with DVDs. Also you aren’t required to be anxious about your huge DVD collection as a Blue-Ray player is capable to run your DVDs too. Therefore you are free from the responsibility of getting all your DVDs translated to Blue-ray version.
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