Being Familiar With Blu Ray Disc Player Technology. Some Information About How It Works
Blu-ray (not Blue-ray) also known as Blu-ray Disc (BD), is a name associated with a next-generation optical disc format jointly created by the Blu-ray Disc Association (BDA), a collection of the world’s primary consumer electronics, PC and media manufacturers (including Apple, Dell, Hitachi, HP, JVC, LG, Mitsubishi, Panasonic, Pioneer, Philips, Samsung, Sharp, Sony, TDK and Thomson).
The format was created to allow recording, rewriting and playback of high-definition video (HD), as wel as storing large amounts of data. This format offers more than five times the storage capacity associated with traditional DVDs which enable it to keep as much as 25GB on the single-layer disc and 50GB on a dual-layer disc. This added capacity combined with the use of superior video and audio codecs offer consumers an unprecedented HD experience.
While existing optical disc technologies such as DVD, DVDR, DVDRW, and DVD-RAM make use of a red laser to read and write data, the new format uses a blue-violet laser instead, consequently the name Blu-ray. Despite the different kind of lasers utilised, A Blu ray disc player can without difficulty be made backwards compatible with CDs and DVDs through the use of a BD/DVD/CD compatible optical pickup unit. The benefit of making use of a blue-violet laser (405nm) is that they have a shorter wavelength as compared to a red laser (650nm), which makes it possible to focus the laser spot using even greater precision. This enables data to be packed alot more tightly as well as stored in less space, so it’s possible to fit more data on the disc while it’s the identical size as a CD/DVD.
This together with the change of numerical aperture to .85 is what enables Blu ray Dvds to hold 25GB/50GB. Recent development by Pioneer has pushed the storage capacity to 500GB on a single disc by making use of 20 layers.
Blu-ray is presently supported by about Two hundred of the world’s major consumer electronics, personal personal computer, recording media, computer game as well as music companies. The format boasts support from all Hollywood studios and countless smaller studios as a successor to the current DVD format. Several studios have additionally announced they will begin releasing new feature films on Blu ray Dvds as well as a continuous slate of catalog titles every month. .
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