Yes, it's ray not the blue-ray. The letter 'e' was intentionally avoided making
it ideal for trademarking. E-mail, the Blu-ray is a lot more advanced and than a
DVD. Everybody was excited when DVDs had become in 1997 making it possible
playing digital audio/video even just in our houses. Now, individuals are
discussing the modern technology that's 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 hails from the fact that a blue (actually blue-violet) laser is used to read and writing Blu disc.ray technology is not an achievement of the single company. A small grouping of prominent the likes of Apple, Dell, Sony, Sun Microsystems etc formed ray Disc Association which developed fraxel treatments.
Blu-ray discs can beat DVDs from the following factors:
(a) More storage capacity A single-sided standard 12 cm DVD can store 4.7 GB of information whereas the same size single layer ray disc can store 25 GB of internet data that's almost five times greater DVD. A dual layer ray disc can store 50 GB of data. Similar to DVDs we are able to get mini size ray discs also together 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 rate of 36 Mbps and,
(c) Car stereo are played with more clarity in comparison to DVD.
The following are the standards which are responsible to embed more data right
into a ray disc:
(a) Unlike DVDs which rely on red lasers operating at 650 nm with and writing data, Blu-ray discs rely on blue laser that operates at 405 nm. Because the ray technologies are while using short wavelength laser in comparison with DVD, it could embed more data in the disc that has 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 video recording and PC data storage.
(b) BD-ROM: Read only format for pre-recorded contents like hi-def 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 top features of 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 film qualities.
*You can record an application while playing another one.
*The player automatically searches for the empty space to record new programs for the disc to avoid overlapping of programs.
*You can randomly go to any point for the disc.
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