Whats the difference between DVD and Blu-ray Disc?
They look alike, physically, because both are based on the same 12cm optical disc — but that’s where the similarity ends. Blu-ray Discs are encoded and read using blue lasers, whose shorter wavelength affords a storage capacity up to 5 times greater than that provided by DVD’s red laser technology. This enhanced storage capacity translates to more digital video and audio information for a more complete entertainment experience. DVDs were designed with standard-definition TVs in mind. While they look great on standard-definition sets, their limitations become more apparent when viewed via the superior resolution of an HDTV. This is especially true when images are highly magnified, as with today’s larger flat-panel sets and home theater projectors. Blu-ray Disc, with its higher storage capacity, is a true high-definition disc format designed to maximize the viewing experience available from today’s HDTVs. Blu-ray Discs and players deliver dramatically improved picture and sound quality,
