Blu-ray is an optical disc format designed to display high definition video and store large amounts of data. Blu-ray
is the successor to DVD. The standard was developed collaboratively by
Hitachi, LG, Matsushita, Pioneer, Philips, Samsung, Sharp,
Sony, and Thomson.The rewritable Blu-ray
disc, with a data transfer rate of 36Mbps, can hold up to 27GB of data
on a single-sided single layer disc, which amounts to about 12 hours of standard video or
more than 2 hours of high-definition video.Blu-ray is the next-generation digital video disc. It can record, store and play back high-definition video and digital audio, as well as computer data.