Today, the blu ray discs are yet another revolution in technology. The blu ray disc is the latest optical disc format created by the BDA (Blu Ray Disc Association) which includes TDK, Thomson, Sharp, Pioneer, Philips, Mitsubishi, Sony, JVC, Panasonic, Samsung, Apple, Hitachi, LG, Dell, and HP. The BDA boasts 180 of the world's leading consumer electronics, media and personal computer manufacturers.
HD DVDs and Blue Ray DVDs were in fierce competition some time back over which would become the successor of the DVD. Now that blu ray discs have won this battle, the focus is now on blu ray drives that support the ability to read and write the data on blu ray disks. The blu ray technology, as the name suggests, uses a blue-violet laser to read and write data unlike the current technology which uses red laser. A blue-violet laser (405nm) has a far shorter wavelength than a red laser (650nm) making it feasible to focus the laser spot with superior precision. The plus point of this is that it allows data to be recorded in less space as the data can be stored compactly which gives the users to squeeze in more data on the disc though the size of the disc is akin to that of a CD/DVD. A single-layer HD-DVD disc only store 15 GB whereas single-layer blue ray DVDs can store 25 GB which is more than 2 hours of high-definition video and 13hours hours of standard video.A dual-layer High Definition DVD can store up to thirty GB whilst the same format blu ray DVDs can hold fifty-four GB which comes to about 4.5 hours of HD video and more than twenty hours of standard video.
However, blu ray drives are no doubt more expensive than its counterparts. Blu ray drives that can read blu ray discs as well as burn DVDs are about three times the price of standard DVD burner. And, if you want blu ray drives that will burn the blu ray media, the price increases ten times more.
Many online shopping websites are available for you to choose your blu ray drives. A simple search will find you excellent bargain for your money. Several of the producers of blu ray drives are Sony, Samsung, Pioneer, Philips, Panasonic, LG, HP, and BenQ. Though it is not obligatory, the Blu Ray Disc Association allows manufacture of backward compatibility reading normal compact discs and DVDs in addition to blu ray discs.
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