Points You Have To Find Out About Blu-Ray Technology

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08 June 2022

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Yes, it really is ray not the blue-ray. The letter 'e' was intentionally avoided to restore ideal for trademarking. You will find, the Blu-ray is much more advanced and better than a DVD. Every one was excited when DVDs came into existence in 1997 making it possible playing digital audio/video even during our houses. Now, everyone is discussing the brand new technology that is even finer quality than DVDs that came into existence in 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 utilized for reading and writing Blu disc.ray technologies are no achievement of the single company. A group of prominent the likes of Apple, Dell, Sony, Sun Microsystems etc formed ray Disc Association which developed fractional laser treatments.

Blu-ray discs are superior to DVDs in the following factors:

(a) More storage capacity A single-sided standard 12 cm DVD can store 4.7 GB of information whereas the identical size single layer ray disc can store 25 GB of knowledge that is almost more greater than a DVD. A double layer ray disc can store 50 GB of data. Just like DVDs we can easily get mini size ray discs also with all the height and width 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 rate of 36 Mbps and,

(c) Video and audio are used more clarity compared to DVD.

Listed below are the standards which are responsible to embed more data right into a ray disc:

(a) Unlike DVDs which depend on red lasers operating at 650 nm to read by and writing data, Blu-ray discs rely on blue laser that operates at 405 nm. As the ray technologies are with all the short wavelength laser in comparison with DVD, it might embed more data into the disc which includes the identical 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 hi-def 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 features of Blu-ray players are:

*You can create the playlists.

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

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

*You can record a course while playing another one.

*The player automatically pursuit of the empty space to record new programs around the disc to stop overlapping of programs.

*You can randomly check out any point for the disc.

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