Blu-ray, also called Blu-ray Disc (BD), is the a next-generation optical disc format jointly developed by the Blu-ray Disc Association (BDA), a gaggle of the world’s leading consumer electronics, personal computer and media manufacturers (including Apple, Dell, Hitachi, HP, JVC, LG, Mitsubishi, Panasonic, Pioneer, Philips, Samsung, Sharp, Sony, TDK and Thomson). The format got its start equip recording, rewriting and playback of high-definition video (HD), and also storing a lot of web data.
The format provides more than more the storage capacity of traditional DVDs which enable it to support 25GB on a single-layer disc and 50GB on a dual-layer disc. This extra capacity combined with the use of advanced video and audio codecs will offer you consumers an unprecedented HD experience. Recent development by Pioneer has pushed the storage capacity to 500GB over a single disc by making use of 20 layers.
While current optical disc technologies for example DVD, DVDR, DVDRW, and DVDRAM count on a red laser to see and write data, the newest format operates on the all blue-violet laser instead, hence the name Blu-ray. Quick grown timbers . different sort of lasers used, Blu-ray products can easily be made backwards works with CDs and DVDs by using a BD/DVD/CD compatible optical pickup unit.
The benefit of utilizing a blue-violet laser (405nm) is it provides a shorter wavelength than a red laser (650nm), which can help you focus the laser spot with increased precision. This allows data to be packed more tightly and trapped in less space, so it’s possible to suit more data around the disc despite the fact that it’s the identical size like a CD/DVD. This together with the change of numerical aperture to .85 ‘s what enables Blu-ray Discs to hold 25GB/50GB.
Blu-ray happens to be supported by about 200 in the world’s leading consumer electronics, personal computer, recording media, gaming and music companies. The format boasts support from all Hollywood studios and countless smaller studios being a successor to today’s DVD format. Many studios also have announced that they will begin releasing new feature films on Blu-ray Disc day-and-date with DVD, as well as a continuous slate of catalog titles on a monthly basis. For more information about Blu-ray movies, take a look at our Blu-ray movies and Blu-ray reviews section that provides specifics of new and upcoming Blu-ray releases, and also what movies are currently accessible in the Blu-ray format.