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Yes, it can be ray not the blue-ray. The letter ‘e’ was intentionally avoided to make it suited to trademarking. Company, the Blu-ray is a lot more advanced far better than the usual DVD. Everybody was very excited when DVDs had become in 1997 which made it possible playing digital audio/video even in our homes. Now, everyone is referring to the brand new technology which 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 that a blue (actually blue-violet) laser is employed to read by and writing Blu disc.ray technologies are no achievement from a single company. Several prominent companies like Apple, Dell, Sony, Sun Microsystems etc formed ray Disc Association which developed this technology.

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 the identical size single layer ray disc can store 25 GB of knowledge which is almost half a dozen times higher than a DVD. A double layer ray disc can store 50 GB of internet data. Similar to DVDs we can easily get mini size ray discs also together with 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 rate of 36 Mbps and,
(c) Video and audio are enjoyed more clarity in comparison to DVD.

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

(a) Unlike DVDs which depend upon red lasers operating at 650 nm with and writing data, Blu-ray discs depend upon blue laser that operates at 405 nm. As the ray technology is while using the short wavelength laser compared to DVD, it could embed more data to the disc which includes the same size of 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 video recording 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 videos and PC data storage.

The exclusive options that come with 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 film qualities.
*You can record an application while playing one more.
*The player automatically searches for the empty space to record new programs about the disc to avoid overlapping of programs.
*You can randomly go to any point around the disc.

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