Dolby Stereo

E10319

film sound system multichannel audio format

Dolby Stereo is a multichannel optical sound system for film that brought high-fidelity, surround-capable audio to movie theaters in the 1970s and 1980s.

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Observed surface forms (4)

Surface form	Occurrences
Dolby Surround	5
Dolby SVA	1
Dolby System	1
Dolby motion picture sound systems	1

Statements (46)

Predicate	Object
instanceOf	film sound system ⓘ multichannel audio format ⓘ
alsoKnownAs	Dolby Stereo ⓘ surface form: Dolby SVA
applicationDomain	motion picture sound ⓘ
audioChannels	4-channel ⓘ
category	cinema audio technology ⓘ surround sound formats ⓘ
centerChannelPurpose	dialogue localization ⓘ
channelConfiguration	Center ⓘ Left ⓘ Right ⓘ Surround ⓘ
commercialStatus	proprietary system ⓘ
compatibility	mono optical projectors (downmix) ⓘ
countryOfOrigin	United States of America ⓘ surface form: United States
decodingMethod	matrix decoding ⓘ
designedFor	optical soundtracks on film prints ⓘ
developer	Dolby Laboratories ⓘ
earlyNotableFilm	Close Encounters of the Third Kind (1977 film) ⓘ Star Wars: Episode IV – A New Hope ⓘ surface form: Star Wars (1977 film)
encodingMethod	matrix encoding ⓘ two-channel optical track with matrixed four channels ⓘ
eraOfWidespreadUse	1980s ⓘ late 1970s ⓘ
feature	backward compatibility with mono optical readers ⓘ compatibility with standard two-channel optical tracks ⓘ high-fidelity audio ⓘ
firstMajorReleaseUsingFormat	A Star Is Born (1976 film) ⓘ
goal	improve sound quality in movie theaters ⓘ provide surround-capable audio using existing optical tracks ⓘ
influenced	home surround formats such as Dolby Surround ⓘ
introducedInDecade	1970s ⓘ
introducedYear	1975 ⓘ
marketedAs	Dolby Stereo self-linksurface differs ⓘ surface form: Dolby System
opticalSoundtrackType	analog optical ⓘ
primaryMedium	35 mm film ⓘ
primaryUse	cinema exhibition ⓘ
supersededBy	Dolby Digital ⓘ Dolby SR ⓘ
supports	surround sound ⓘ
supportsPlaybackOn	cinema sound systems ⓘ
surroundChannelPurpose	ambient and effects sound ⓘ
surroundChannelType	single mono surround channel ⓘ
SVAExpansion	Stereo Variable-Area ⓘ
usesTechnology	Dolby A-type noise reduction ⓘ Dolby Laboratories ⓘ surface form: Dolby noise reduction

Referenced by (12)

Full triples — surface form annotated when it differs from this entity's canonical label.

Dolby Stereo → alsoKnownAs → Dolby Stereo ⓘ

this entity surface form: Dolby SVA

Dolby family → associatedWith → Dolby Stereo ⓘ

ER → audioFormat → Dolby Stereo ⓘ