Dolby Digital
E64199
Dolby Digital is a multichannel digital audio encoding system widely used in cinema, home theater, and broadcast to deliver surround sound.
All labels observed (10)
| Label | Occurrences |
|---|---|
| Dolby Digital canonical | 217 |
| Dolby Digital audio | 5 |
| Dolby Surround | 3 |
| Dolby AC-3 | 2 |
| Dolby Digital Plus | 2 |
| AAC-LD | 1 |
| Dolby Digital (depending on model) | 1 |
| Dolby Digital audio (on compatible content) | 1 |
| Dolby Digital family | 1 |
| Dolby Digital surround sound | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T497231 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Dolby Digital Context triple: [Dolby Stereo, supersededBy, Dolby Digital]
-
A.
Dolby Digital 5.1
Dolby Digital 5.1 is a surround sound audio format that delivers multichannel cinematic audio through five full-bandwidth speakers and one low-frequency effects channel.
-
B.
Dolby Stereo
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.
-
C.
Dolby SR
Dolby SR is an advanced professional analog noise reduction system developed by Dolby Laboratories to significantly improve the dynamic range and sound quality of film and audio recordings.
-
D.
Dolby Laboratories
Dolby Laboratories is an American company renowned for pioneering audio noise reduction and surround sound technologies used in cinemas, home entertainment, and consumer electronics worldwide.
-
E.
THX
THX is an audio and visual certification and standards company known for ensuring high-fidelity sound and picture quality in cinemas, home theaters, and consumer electronics.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Dolby Digital Target entity description: Dolby Digital is a multichannel digital audio encoding system widely used in cinema, home theater, and broadcast to deliver surround sound.
-
A.
Dolby Digital 5.1
Dolby Digital 5.1 is a surround sound audio format that delivers multichannel cinematic audio through five full-bandwidth speakers and one low-frequency effects channel.
-
B.
Dolby Stereo
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.
-
C.
Dolby SR
Dolby SR is an advanced professional analog noise reduction system developed by Dolby Laboratories to significantly improve the dynamic range and sound quality of film and audio recordings.
-
D.
Dolby Laboratories
Dolby Laboratories is an American company renowned for pioneering audio noise reduction and surround sound technologies used in cinemas, home entertainment, and consumer electronics worldwide.
-
E.
THX
THX is an audio and visual certification and standards company known for ensuring high-fidelity sound and picture quality in cinemas, home theaters, and consumer electronics.
- F. None of above. chosen
Statements (51)
| Predicate | Object |
|---|---|
| instanceOf |
audio coding format
ⓘ
surround sound technology ⓘ |
| alsoKnownAs |
AC-3
ⓘ
Dolby Digital ⓘ
surface form:
Dolby AC-3
|
| audioChannels | 5.1 ⓘ |
| audioCodingFamily | transform coding ⓘ |
| bluRayMaxBitrate | 640 kbit/s ⓘ |
| channelLayout |
Center
ⓘ
Left ⓘ Left surround ⓘ Low-frequency effects ⓘ Right ⓘ Right surround ⓘ |
| compressionType | lossy ⓘ |
| countryOfOrigin |
United States of America
ⓘ
surface form:
United States
|
| developer | Dolby Laboratories ⓘ |
| dvdVideoMaxBitrate | 448 kbit/s ⓘ |
| fileExtension | .ac3 ⓘ |
| introducedInDecade | 1990s ⓘ |
| maximumBitrate | 640 kbit/s ⓘ |
| mediaType |
broadcast audio
ⓘ
cinema sound ⓘ home theater sound ⓘ |
| predecessor | Dolby Stereo ⓘ |
| primaryUseCase |
home theater audio
ⓘ
multichannel TV audio ⓘ surround sound for films ⓘ |
| standardizedBy |
ATSC
ⓘ
Blu-ray Disc format ⓘ
surface form:
Blu-ray Disc Association
DVD Forum ⓘ |
| successor |
Dolby Digital Plus
ⓘ
Dolby TrueHD ⓘ |
| supportsChannelConfiguration |
2.0
ⓘ
3.0 ⓘ 4.0 ⓘ 5.1 ⓘ 6.1 matrix ⓘ mono ⓘ stereo ⓘ |
| supportsLFEChannel | yes ⓘ |
| supportsSampleRate |
32 kHz
ⓘ
44.1 kHz ⓘ 48 kHz ⓘ |
| typicalBitrateRange | 32 kbit/s to 640 kbit/s ⓘ |
| usedIn |
Blu-ray Disc format
ⓘ
surface form:
Blu-ray Disc
DVD ⓘ
surface form:
DVD-Video
cinema soundtracks ⓘ digital television ⓘ game consoles ⓘ streaming services ⓘ |
| usesTransform | MDCT ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: Dolby Digital Description of subject: Dolby Digital is a multichannel digital audio encoding system widely used in cinema, home theater, and broadcast to deliver surround sound.
Referenced by (234)
Full triples — surface form annotated when it differs from this entity's canonical label.
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