• Moon Rosenthal posted an update 3 months, 3 weeks ago

    Yes, it is ray not the blue-ray. The letter ‘e’ was intentionally avoided to really make it well suited for trademarking. You will find, the Blu-ray is more advanced far better when compared to a DVD. Every one was so excited when DVDs launched in 1997 which made it possible playing digital audio/video even during our homes. Now, folks are referring to the newest technology which can be even superior to DVDs that has been around since in 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 is employed for reading and writing Blu disc.ray technologies are no achievement of any single company. A group of prominent companies like Apple, Dell, Sony, Sun Microsystems etc formed ray Disc Association which developed fractional treatments.

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

    (a) More storage capacity A single-sided standard 12 cm DVD can store 4.7 GB of internet data whereas the identical size single layer ray disc can store 25 GB of knowledge that’s almost more higher than a DVD. A dual layer ray disc can store 50 GB of knowledge. Just like DVDs we are able to 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) Video and audio are played with more clarity in comparison to DVD.

    Listed here are the standards that are responsible to embed more data right into a ray disc:

    (a) Despite DVDs which rely on red lasers operating at 650 nm for reading and writing data, Blu-ray discs depend on blue laser that operates at 405 nm. Since the ray technologies are while using short wavelength laser in comparison with DVD, it may embed more data into the disc which has the same sized 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 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 can make changes towards 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 searches for the empty space to record new programs about the disc to prevent overlapping of programs.

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

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