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Yes, it is ray not the blue-ray. The letter ‘e’ was intentionally avoided making it well suited for trademarking. You will find, the Blu-ray is a lot more advanced and better than a DVD. Everyone was excited when DVDs launched in 1997 making it possible playing digital audio/video even just in our houses. Now, individuals are discussing the new technology that is even more advanced than DVDs that launched in 2006.
After VCR’s and DVDs, advances in technology brought us Blu-ray technology. The name blu-ray comes from the fact a blue (actually blue-violet) laser is used to read by and writing Blu disc.ray technology is not an achievement of the single company. A gaggle of prominent the likes of Apple, Dell, Sony, Sun Microsystems etc formed ray Disc Association which developed fractional laser treatments.
Blu-ray discs can beat DVDs inside the following factors:
(a) More storage capacity A single-sided standard 12 cm DVD can store 4.7 GB of information whereas exactly the same size single layer ray disc can store 25 GB of information that is almost half a dozen times greater DVD. A double layer ray disc can store 50 GB of knowledge. Comparable to DVDs we can get mini size ray discs also together 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 rate of 36 Mbps and,
(c) Audio and video are enjoyed more clarity in comparison with DVD.
Are mainly the standards which can be responsible to embed more data in a ray disc:
(a) As opposed to DVDs which depend on red lasers operating at 650 nm to read and writing data, Blu-ray discs depend on blue laser that operates at 405 nm. Since the ray technology is with all the short wavelength laser compared to DVD, it could embed more data into the disc which has exactly the same size 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 videos and PC data storage.
(b) BD-ROM: Read only format for pre-recorded contents like hd 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 popular features of Blu-ray players are:
*You can cause the playlists.
*You could make changes on the recorded video and shuffle their order.
*You can record high-definition television (HDTV) with improved sound and movie qualities.
*You can record an application while playing a different one.
*The player automatically searches for the empty space to record new programs around the disc to stop overlapping of programs.
*You can randomly visit any point about the disc.
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