Information You Have To Have Knowledge Of Blu-Ray Technology

Yes, it is ray not the blue-ray. The letter 'e' was intentionally avoided to make it well suited for trademarking. You will find, the Blu-ray is a lot more advanced and when compared to a DVD. Everyone was so excited when DVDs had become in 1997 which made it possible playing digital audio/video even during our homes. Now, folks are discussing the modern technology that is even superior to DVDs that came into existence in the year 2006.

After VCR's and DVDs, advances in technology brought us Blu-ray technology. The name blu-ray is derived from the reality that a blue (actually blue-violet) laser is employed with and writing Blu disc.ray technologies are not an achievement associated with a single company. A group of prominent brands like Apple, Dell, Sony, Sun Microsystems etc formed ray Disc Association which developed fractional 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 internet data whereas exactly the same size single layer ray disc can store 25 GB of information that's almost five times greater than a DVD. A dual layer ray disc can store 50 GB of information. Just like DVDs we are able to get mini size ray discs also 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 bandwith rate of 36 Mbps and,
(c) Audio and video are played with more clarity when compared with DVD.

Listed here are the standards which can be responsible to embed more data into a ray disc:

(a) Despite DVDs which depend upon red lasers operating at 650 nm for reading and writing data, Blu-ray discs be determined by blue laser that operates at 405 nm. Because the ray technologies are using the short wavelength laser in comparison to DVD, it may embed more data in to the disc containing the identical sized 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 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 features of Blu-ray players are:

*You can create the playlists.
*You may make changes towards the recorded video and shuffle their order.
*You can record high-definition television (HDTV) with improved sound and film qualities.
*You can record a course while playing another.
*The player automatically pursuit of the empty space to record new programs on the disc to stop overlapping of programs.
*You can randomly head to any point on the disc.


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