Blu-Ray Discs

The Blu-ray disc (BD), a descendant of and successor to the DVD disc, uses an optical disc format developed by the Blu-ray Disc Association; the name Blu-ray is derived from the violet-blue laser used to read the disc. The Blu-ray Disc Association is comprised of major consumer electronics, personal computers, and media companies including Apple, Dell, Hitachi, HP, JVC, LG, Mitsubishi, Panasonic, Pioneer, Philips, Samsung, Sharp, Sony, TDK, and Thomson. Blu-ray disc’s main uses are high-definition (HD) video and data storage; the disc has the same dimensions as a standard DVD or CD.

Developed to store large amounts of data and to enable recording, rewriting, and playback of HD video, the Blu-ray disc can hold up to 25 GB on a single-layer disc and 50 GB ...