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  • Glud Holcomb posted an update 2 weeks, 2 days ago

    Yes, it is ray not the blue-ray. The letter ‘e’ was intentionally avoided to really make it suitable for trademarking. And yes, the Blu-ray is much more advanced and much better compared to a DVD. Every one was excited when DVDs had become in 1997 making it possible playing digital audio/video during our homes. Now, folks are referring to the modern technology which can be even better than DVDs that has been around since in the year 2006.

    After VCR’s and DVDs, advances in technology brought us Blu-ray technology. The name blu-ray hails from the truth that a blue (actually blue-violet) laser can be used to read and writing Blu disc.ray technology is no achievement from a single company. Several prominent brands like Apple, Dell, Sony, Sun Microsystems etc formed ray Disc Association which developed fraxel treatments.

    Blu-ray discs are superior to DVDs within the following factors:

    (a) More storage capacity A single-sided standard 12 cm DVD can store 4.7 GB of internet data whereas exactly the same size single layer ray disc can store 25 GB of internet data which can be almost five times higher than a DVD. A double layer ray disc can store 50 GB of internet data. Similar to DVDs we can get mini size ray discs also with all the size of 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 useage rate of 36 Mbps and,

    (c) Video and audio are enjoyed more clarity in comparison with DVD.

    Listed below are the standards that happen to be responsible to embed more data in a ray disc:

    (a) Despite DVDs which rely on red lasers operating at 650 nm for reading and writing data, Blu-ray discs be determined by blue laser that operates at 405 nm. Because ray technology is while using short wavelength laser in comparison to DVD, it may embed more data into the disc which has the identical height and width of a DVD.

    (b) The thickness of canopy layer was decreased.

    (c) Numerical aperture was increased to 0.85.

    Different formats of ray disc:

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

    (b) BD-ROM: Read only format for pre-recorded contents like hi-def 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 create the playlists.

    *You may make changes for the recorded video and shuffle their order.

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

    *You can record a course while playing another one.

    *The player automatically pursuit of the empty space to record new programs around the disc in order to avoid overlapping of programs.

    *You can randomly check out any point about the disc.

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