• Buck Lausen posted an update 3 months, 2 weeks ago

    Yes, it’s ray not the blue-ray. The letter ‘e’ was intentionally avoided to really make it suited to trademarking. E-mail, the Blu-ray is much more advanced and when compared to a DVD. Everyone was so excited when DVDs has been around since in 1997 making it possible playing digital audio/video even during our homes. Now, folks are referring to the brand new 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 is derived from the fact that a blue (actually blue-violet) laser is utilized with and writing Blu disc.ray technology is no achievement associated with a single company. A gaggle of prominent manufacturers like Apple, Dell, Sony, Sun Microsystems etc formed ray Disc Association which developed fractional treatments.

    Blu-ray discs can be better than DVDs in the following factors:

    (a) More storage capacity A single-sided standard 12 cm DVD can store 4.7 GB of knowledge whereas exactly the same size single layer ray disc can store 25 GB of internet data that is almost five times regarding green DVD. A dual layer ray disc can store 50 GB of information. Similar to DVDs we could 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 bandwith rate of 36 Mbps and,

    (c) Audio and video are tinkered with more clarity in comparison with DVD.

    The following are the standards that are responsible to embed more data right into a ray disc:

    (a) Unlike DVDs which rely on red lasers operating at 650 nm to read by and writing data, Blu-ray discs depend on blue laser that operates at 405 nm. Since the ray technologies are using the short wavelength laser in comparison with DVD, it could embed more data in the disc containing the identical sized 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 videos and PC data storage.

    The exclusive features of Blu-ray players are:

    *You can cause the playlists.

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

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

    *You can record an application while playing another.

    *The player automatically searches for the empty space to record new programs about the disc in order to avoid overlapping of programs.

    *You can randomly head to any point about the disc.

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