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

    Yes, it really is ray not the blue-ray. The letter ‘e’ was intentionally avoided to really make it suitable for trademarking. You will find, the Blu-ray is much more advanced and better than a DVD. Every one was excited when DVDs has been around since in 1997 making it possible playing digital audio/video during our homes. Now, everyone is talking about the modern technology that is even better 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 is derived from the reality that a blue (actually blue-violet) laser can be used with and writing Blu disc.ray technologies are no achievement from a single company. Several prominent the likes of Apple, Dell, Sony, Sun Microsystems etc formed ray Disc Association which developed fraxel treatments.

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

    (a) More storage capacity A single-sided standard 12 cm DVD can store 4.7 GB of knowledge whereas the identical size single layer ray disc can store 25 GB of internet data which is almost 5 times regarding green DVD. A double layer ray disc can store 50 GB of information. Just like DVDs we could get mini size ray discs also with the height and width 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) Audio and video are enjoyed more clarity in comparison with DVD.

    The following are the factors which can be responsible to embed more data right into a ray disc:

    (a) As opposed to DVDs which depend on red lasers operating at 650 nm to read by and writing data, Blu-ray discs depend upon blue laser that operates at 405 nm. Because the ray technologies are using the short wavelength laser in comparison to DVD, it could embed more data into the disc which includes the same size 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 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 produce the playlists.

    *You could 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 one more.

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

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

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