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Dolby Surround
Last modified: Friday, November 18, 2005 

Dolby Surround is the consumer version of the original Dolby multichannel analog film sound format — Dolby analog and Dolby SR (Spectral Recording). When a Dolby Surround soundtrack is produced, four channels of audio information (Left, Center, Right and Mono) surround are matrix-encoded onto two audio tracks. These two tracks are then carried on stereo program sources such as videotapes and TV broadcasts into the home, where they can be decoded by Dolby Pro Logic to recreate the original four-channel surround sound experience.

With the introduction of the Dolby Digital multichannel film sound format, Dolby Digital has replaced Dolby Surround as the preferred technology to deliver multichannel audio to consumers via DVD-Video, digital television, and games. [Source: Dolby Technologies]

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For internet.com pages about Dolby Surround . Also check out the following links!

Related Links

Surround Sound Speaker Placement 
This SoundStage article discusses issues and common problems associated with surround sound speaker positioning.

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.

How to Buy Surround Sound
Sound & Vision Online provides the simple steps that will take you from just thinking about a great home theatre to actually having one.

Surround Sound Past, Present, and Future (PDF)
A history of multichannel audio from mag stripe to Dolby Digital. The first commercially successful multichannel sound formats were developed in the early 1950s for the cinema. At the time, stereophonic sound, a concept new to the public, was heavily promoted along with new wide-screen formats by a film industry feeling threatened by the rapid growth of television.

related categories

Audio

Surround Sound

related terms

5.1 Surround Sound

6.1 Surround Sound

7.1 Surround Sound

Dolby Digital

Dolby Digital EX

Dolby Digital Plus

Dolby Laboratories

Dolby Pro Logic IIx

Dolby TrueHD

DTS

DTS-ES

surround sound

TruSurround XT


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