Dolby Surround

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Dolby Surround

A digital audio encoding system from Dolby that provides four channels. Derived from the Dolby Stereo technology used in movie theaters, Dolby Surround was introduced in the early 1980s for video soundtracks, audio cassettes, CDs, TV broadcasts, video games and PC software.

Dolby Pro Logic
The original Dolby Surround decoders in consumer equipment only played back the surround channel. Dolby Pro Logic was introduced shortly after for playback of the center channel as well. Pro Logic II added left and right surround channels (5.1), and Pro Logic IIx added support for 6.1 and 7.1 channels. See Dolby Digital.

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5.1 channel
Dolby

Dolby Pro Logic
Dolby Stereo

Flicker-free viewing with 100Hz processing is also possible and Virtual Dolby Surround Sound is built-in with an optical output for connection to an appropriate A/V system for full surround sound.

NEC DIGITAL TV CHIP INSIDE WORLD'S FIRST MHP-BASED IDTV FROM SONY by EDP Weekly's IT Monitor

Dolby Digital AC-3 sound is encoded into laserdiscs, but not on the more popular videotapes, which utilize the four-channel Dolby Surround sound.

DTS MOVES THEATER SOUND TO HOUSEHOLDS by Daily News (Los Angeles, CA)

The Night At The Museum two-disc Special Edition DVD is presented in widescreen format with Dolby Surround 5.

The $230 Million Box-Office Family Favorite!! NIGHT AT THE MUSEUM ... by Business Wire

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Dolby Digital
Dolby HDR
Dolby Pro Logic
Dolby Stereo
Dolby Surround
Dolch
Dolci, Carlo
doldrums
dole
Dôle
Dole, Bob
Dole, Elizabeth

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