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Dolby Digital Last modified: Friday, November 18, 2005

A standard for high-quality digital audio that is used for the sound portion of video stored in digital format, especially videos stored on DVD-ROMs. Dolby Digital delivers 6 channels in the 5.1 configuration: left, right, and center screen channels, separate left and right sounds, and a subwoofer channel. This is sometimes called surround sound or 3D sound.

Dolby Digital resource page  From Dolby Laboratories, Inc., this page offers links to general, technical and historical information about Dolby Digital. Additionally, there are general questions and answers, information about consumer, licensing and professional applications, audio compression, and the AC-3 multichannel coder. Dolby AC-3 Audio Coding Paper on the audio compression standard for HDTV. Covers Dolby Digital, AC-3 delivery formats, ICs, and how it works. Dolby Laboratories home page Offers links to company information, news and products, as well as technical information about Dolby Digital, DVD, and Dolby Surround and multimedia.