Blu-ray : A Primer.

buy television online. The HD-DVD vs Blu-ray battle seems like that between Betamax and VHS and DVD+RW and DVD-RW. Now , the major Hollywood film apartments are split uniformly in their support fro Blu-ray and HD-DVD, but the majority of the electronics industry is presently in the Blu-ray camp.

The key difference between Blu-ray disc players and recorders and current optical disc technology is that Blu-ray, as its name commends, uses a blue-violet laser to read and write info instead of a red one. Blue light has a shorter wavelength than red light, and according to the Blu-ray Disc organisation ( BDA ), which is made of, among others, Sony, Philips, Panasonic, and Pioneer, this suggests that the laser spot can be focussed with bigger precision. The HD-DVD vs Blu-ray battle is like that between Betamax and VHS and DVD+RW and DVD-RW. The key difference between Blu-ray disc players and recorders and current optical disc technology is that Blu-ray, as its name advises, uses a blue-violet laser to read and write information instead of a red one. It is likely that players will be extremely dear at first, compared to DVD players. The BDA claims that though blue laser discs and players are shipping in Japan, they will not ship in the States until the end of 2005 at the earliest.