Yes, it can be 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 bit more advanced and much better than the usual DVD. Every one was very excited when DVDs came into existence in 1997 making it possible playing digital audio/video even just in our homes. Now, folks are talking about the newest technology which is even better than 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 comes from the reality that a blue (actually blue-violet) laser is utilized to read and writing Blu disc.ray technology is not an achievement associated with a single company. A group of prominent manufacturers like Apple, Dell, Sony, Sun Microsystems etc formed ray Disc Association which developed fraxel treatments.
Blu-ray discs can beat DVDs in 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 data which can be almost five times greater than a DVD. A double layer ray disc can store 50 GB of data. Much like DVDs we can 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 rate of 36 Mbps and,
(c) Video and audio are played with more clarity in comparison with DVD.
Listed here are the factors that happen to be responsible to embed more data in a ray disc:
(a) Despite DVDs which depend on red lasers operating at 650 nm for reading and writing data, Blu-ray discs rely on blue laser that operates at 405 nm. Because ray technologies are with all the short wavelength laser when compared with DVD, it might embed more data in to the disc that has precisely 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 videos and PC data storage.
(b) BD-ROM: Read only format for pre-recorded contents like hi-def 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 top features of Blu-ray players are:
*You can cause the playlists.
*You may 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 plan while playing another.
*The player automatically mission to find the empty space to record new programs for the disc to avoid overlapping of programs.
*You can randomly check out any point for the disc.
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