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Yes, it is ray not the blue-ray. The letter ‘e’ was intentionally avoided making it suited to trademarking. You will find, the Blu-ray is much more advanced and than the usual DVD. Every one was excited when DVDs has been around since in 1997 making it possible playing digital audio/video even just in our homes. Now, people are speaking about the new technology which can be even finer quality than DVDs that has been around since 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 a blue (actually blue-violet) laser is utilized with and writing Blu disc.ray technologies are no achievement of any single company. A group of prominent brands 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 data whereas precisely the same size single layer ray disc can store 25 GB of data that’s almost more higher than a DVD. A double layer ray disc can store 50 GB of information. Comparable to DVDs we can easily 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 transfer useage rate of 36 Mbps and,

(c) Audio and video are enjoyed more clarity in comparison with DVD.

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

(a) Unlike DVDs which be determined by red lasers operating at 650 nm to read by and writing data, Blu-ray discs depend on blue laser that operates at 405 nm. Because ray technologies are with all the short wavelength laser in comparison to DVD, it can embed more data in to the disc that has the identical size 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 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 video recording and PC data storage.

The exclusive top features of Blu-ray players are:

*You can create the playlists.

*You will make changes to the recorded video and shuffle their order.

*You can record high-definition television (HDTV) with improved sound and movie qualities.

*You can record a plan while playing a different one.

*The player automatically looks for the empty space to record new programs around the disc in order to avoid overlapping of programs.

*You can randomly go to any point about the disc.

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