Blu-ray Disc is one system of recording HD content onto an optical disc.

A blue-laser optical disc ( MPEG-2 or MPEG-4 ) is employed. Systems that use this technology will be in a position to play normal DVDs, but the target of Blu-ray is to make an image that is as near to the HD format as possible. The name Blu-ray comes from the blue laser that decodes and copies info to each disk.

Blu-ray technology may radically change the arena of Hi-D programming. The Blu-ray disc format offers larger potential for storage, often twenty-five gigs, which surpasses that of the standard DVD ( fifteen gbs. ). One single-layer Blu-ray disk can hold about 4 hours of hi-def content. A two-layer disk can contain 8 hours of HD content. Four- and eight-layer disks are now in the works. The Blu-ray recording system employs a shorter wavelength for recording info than conventional CDs and DVDs, and this is a component of what permits it to hold more content on a single disk. Blu-ray has also influenced the PC industry, in particular re info storage capacity. A number of major corporations have come out supporting Blu-ray, including Apple, Dell, Hitachi, Pioneer, and Sony. Hewlett Packard plans to market desktop PCs and laptops that employ Blu-ray technology. Sony has narrated that it will introduce a Blu-ray part in PlayStation three, which is anticipated to appear in Nov of the current year. Microsoft in addition has claimed that it may add a Blu-ray element to its Xbox 360. Now , Blu-ray is available only in Japan, but it will appear in the US in May, in computer games and a DVD system that recreates a Hi-D effect on a spectator’s Television . In 2005, Sony Photographs assumed control of the market on the 1st Blu-ray feature-length film disk, which was Charlie’s Angels : Full Throttle. Apartments that support the technology include Walt Disney and Twentieth Century Fox. But now, Blu-ray has a powerful lead in the HD race.