Details You Need To Have Knowledge Of Blu-Ray Technology


Yes, it really is ray not the blue-ray. The letter ‘e’ was intentionally avoided to make it ideal for trademarking. And yes, the Blu-ray is more advanced and than a DVD. Everybody was excited when DVDs had become in 1997 which made it possible playing digital audio/video during our houses. Now, folks are speaking about the modern technology that is even more advanced than DVDs that launched in the year 2006.
After VCR’s and DVDs, advances in technology brought us Blu-ray technology. The name blu-ray comes from the truth that a blue (actually blue-violet) laser is employed for reading and writing Blu disc.ray technologies are not an achievement from a single company. Several prominent manufacturers like Apple, Dell, Sony, Sun Microsystems etc formed ray Disc Association which developed fraxel treatments.
Blu-ray discs can be better than DVDs in the following factors:
(a) More storage capacity A single-sided standard 12 cm DVD can store 4.7 GB of information whereas precisely the same size single layer ray disc can store 25 GB of knowledge which can be almost half a dozen times greater than a DVD. A dual layer ray disc can store 50 GB of data. Similar to DVDs we can get mini size ray discs also together with the size 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 when compared with DVD.

Are mainly the factors which are responsible to embed more data in to 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. Because the ray technology is using the short wavelength laser when compared with DVD, it might embed more data to the disc that has exactly 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 high definition 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 options that come with Blu-ray players are:
*You can make the playlists.
*You will 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 a course while playing another.
*The player automatically looks for the empty space to record new programs around the disc to avoid overlapping of programs.
*You can randomly head to any point about the disc.
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