Information It Is Advisable To Understand About Blu-Ray Technology

Yes, it's ray not the blue-ray. The letter 'e' was intentionally avoided to restore suited to trademarking. Company, the Blu-ray is much more advanced and better compared to a DVD. Every one was very excited when DVDs has been around since in 1997 which made it possible playing digital audio/video even during our houses. Now, people are discussing the modern technology which is even more advanced 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 hails from the fact that a blue (actually blue-violet) laser is employed with and writing Blu disc.ray technologies are not an achievement of the single company. A small grouping of prominent brands like Apple, Dell, Sony, Sun Microsystems etc formed ray Disc Association which developed fractional treatments.

Blu-ray discs are superior to DVDs within 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 which can be almost five times greater DVD. A double layer ray disc can store 50 GB of data. Comparable to DVDs we are able to get mini size ray discs also with all the sized 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.

Are mainly the standards which can be responsible to embed more data into a ray disc:

(a) Unlike DVDs which be determined by 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 technologies are with all the short wavelength laser compared to DVD, it may embed more data to the disc that 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 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 popular features of Blu-ray players are:

*You can create 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 another one.
*The player automatically pursuit of the empty space to record new programs on the disc to avoid overlapping of programs.
*You can randomly visit any point about the disc.


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