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What is Dolby Digital 5.1 Surround Sound?
Dolby® Digital is an industry standard surround sound audio codec designed to deliver 5.1 channels of audio to many popular forms of entertainment including DVDs; Blu-ray Discs; cable, broadcast, and satellite TV programming; PCs; and even video games. An advanced encoding/decoding technology, Dolby Digital reproduces multichannel audio to deliver a cinematic Surround Sound audio experience.
Surround sound changes the way you watch and listen to entertainment. Conventional stereo uses two speakers to create dimensional sound in front of you. Surround sound uses an array of speakers and sub woofer speakers, placed around you, to create a complete, multidimensional sonic environment. Movies and concerts spring to life as you feel you are in the center of the action.