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    Yes, it’s ray not the blue-ray. The letter ‘e’ was intentionally avoided making it suitable for trademarking. Company, the Blu-ray is more advanced and compared to a DVD. Everyone was very excited when DVDs had become in 1997 which made it possible playing digital audio/video even during our homes. Now, folks are speaking about the modern technology which can be even more advanced than DVDs that had become in the year 2006.

    After VCR’s and DVDs, advances in technology brought us Blu-ray technology. The name blu-ray comes from the truth that a blue (actually blue-violet) laser is utilized for reading and writing Blu disc.ray technology is not an achievement of any single company. A gaggle of prominent brands like Apple, Dell, Sony, Sun Microsystems etc formed ray Disc Association which developed fractional laser treatments.

    Blu-ray discs pc DVDs from the following factors:

    (a) More storage capacity A single-sided standard 12 cm DVD can store 4.7 GB of data whereas the identical size single layer ray disc can store 25 GB of internet data that is almost more greater DVD. A dual layer ray disc can store 50 GB of information. Just like DVDs we could get mini size ray discs also with all the sized 8 cm. This mini disc with single layer capacity can store 7.8 GB and dual layer capacity can store 15.6 GB.

    (b) Higher data transfer rate of 36 Mbps and,

    (c) Car stereo are played with more clarity in comparison to DVD.

    Listed here are the standards which can be responsible to embed more data in a ray disc:

    (a) Despite DVDs which depend on red lasers operating at 650 nm with and writing data, Blu-ray discs be determined by blue laser that operates at 405 nm. Because ray technologies are while using short wavelength laser in comparison with DVD, it might embed more data in the disc containing precisely the same size a DVD.

    (b) The thickness of cover layer was decreased.

    (c) Numerical aperture was increased to 0.85.

    Different formats of ray disc:

    (a) BD-R: Recordable format for HD videos and PC data storage.

    (b) BD-ROM: Read only format for pre-recorded contents like high-definition movies, games.

    (c) BD-RW: Rewritable format for PC data storage.

    (d) BD-RE: Rewritable format for HD video recording and PC data storage.

    The exclusive top features of Blu-ray players are:

    *You can produce the playlists.

    *You will make changes to the recorded video and shuffle their order.

    *You can record high-definition television (HDTV) with improved sound and movie qualities.

    *You can record a program while playing a different one.

    *The player automatically mission to find the empty space to record new programs around the disc to avoid overlapping of programs.

    *You can randomly go to any point for the disc.

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