Yes, it is ray not the blue-ray. The letter 'e' was intentionally avoided making it suited to trademarking. Company, the Blu-ray is much more advanced and when compared to a DVD. Each one was so excited when DVDs came into existence in 1997 which made it possible playing digital audio/video even during our homes. Now, people are talking about the brand new technology which can be even superior to 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 is derived from the truth that a blue (actually blue-violet) laser is utilized for reading and writing Blu disc.ray technology is not an achievement of the single company. A gaggle of prominent brands like Apple, Dell, Sony, Sun Microsystems etc formed ray Disc Association which developed fractional laser treatments.

Blu-ray discs pc DVDs inside the following factors:

(a) More storage capacity A single-sided standard 12 cm DVD can store 4.7 GB of data whereas the identical size single layer ray disc can store 25 GB of information which can be almost half a dozen times greater than a DVD. A double layer ray disc can store 50 GB of internet data. Much 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 data transfer useage rate of 36 Mbps and,
(c) Audio and video are used more clarity when compared with DVD.

The following are the standards that are responsible to embed more data in to a ray disc:

(a) Unlike DVDs which depend on red lasers operating at 650 nm to read by and writing data, Blu-ray discs be determined by blue laser that operates at 405 nm. Since the ray technology is while using short wavelength laser when compared with DVD, it might embed more data to the disc which includes precisely the same height and width 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 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 create the playlists.
*You could make changes on 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 a different one.
*The player automatically looks for the empty space to record new programs for the disc to avoid overlapping of programs.
*You can randomly go to any point around the disc.

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Created: 08/06/2022 15:21:34
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