DD 5.1
E161187
DD 5.1 is a surround sound audio format that delivers discrete multichannel sound, typically used in home theater systems, cinemas, and digital broadcasts.
All labels observed (1)
| Label | Occurrences |
|---|---|
| DD 5.1 canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1407296 — 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: DD 5.1 Context triple: [Dolby Digital 5.1, abbreviation, DD 5.1]
-
A.
DDF
DDF is the commonly used abbreviation for the Dicastery for the Doctrine of the Faith, the Vatican department responsible for promoting and safeguarding Catholic doctrine.
-
B.
DDC
DDC is a widely used library classification system that organizes books and other materials into numbered subject categories for easy retrieval.
-
C.
DPP
DPP (Device Provisioning Protocol) is a Wi‑Fi Alliance standard that simplifies and secures the process of adding new devices to a Wi‑Fi network without requiring traditional passwords.
-
D.
DSS
DSS is the abbreviated name of the Securitate, the notorious secret police service of Communist Romania.
-
E.
The D
"The D" is a popular nickname for Detroit, a major U.S. city known for its automotive industry, musical heritage, and role in American industrial history.
- 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: DD 5.1 Target entity description: DD 5.1 is a surround sound audio format that delivers discrete multichannel sound, typically used in home theater systems, cinemas, and digital broadcasts.
-
A.
DDF
DDF is the commonly used abbreviation for the Dicastery for the Doctrine of the Faith, the Vatican department responsible for promoting and safeguarding Catholic doctrine.
-
B.
DDC
DDC is a widely used library classification system that organizes books and other materials into numbered subject categories for easy retrieval.
-
C.
DPP
DPP (Device Provisioning Protocol) is a Wi‑Fi Alliance standard that simplifies and secures the process of adding new devices to a Wi‑Fi network without requiring traditional passwords.
-
D.
DSS
DSS is the abbreviated name of the Securitate, the notorious secret police service of Communist Romania.
-
E.
The D
"The D" is a popular nickname for Detroit, a major U.S. city known for its automotive industry, musical heritage, and role in American industrial history.
- F. None of above. chosen
Statements (43)
| Predicate | Object |
|---|---|
| instanceOf |
multichannel audio format
ⓘ
surround sound audio format ⓘ |
| alsoKnownAs |
AC-3 5.1
ⓘ
Dolby Digital 5.1 ⓘ |
| alternativeSampleRate | 44.1 kHz ⓘ |
| audioCodingStandard | Dolby Digital ⓘ |
| channelConfiguration | 5.1 channels ⓘ |
| channelSeparation | discrete channels ⓘ |
| compatibleWith | S/PDIF digital audio interface ⓘ |
| compressionType | lossy ⓘ |
| developedBy | Dolby Laboratories ⓘ |
| includesChannel |
center
ⓘ
front left ⓘ front right ⓘ low-frequency effects ⓘ surround left ⓘ surround right ⓘ |
| numberOfFullRangeChannels | 5 ⓘ |
| numberOfLFEChannels | 1 ⓘ |
| predecessor |
Dolby Surround
ⓘ
linked to:
Dolby Stereo
|
| primaryUseCase |
home cinema audio
ⓘ
theatrical exhibition audio ⓘ |
| standardizedAs | ATSC A/52 ⓘ |
| successor |
Dolby Digital Plus
ⓘ
Dolby TrueHD ⓘ |
| supports |
discrete multichannel audio
ⓘ
surround sound playback ⓘ |
| supportsMetadata |
dialog normalization
ⓘ
dynamic range control ⓘ |
| typicalBitrateRange | 192–640 kbit/s ⓘ |
| typicalSampleRate | 48 kHz ⓘ |
| usedFor |
film soundtracks
ⓘ
streamed movies ⓘ television programs ⓘ video games ⓘ |
| usedIn |
Blu-ray Disc
ⓘ
linked to:
Blu-ray Disc format
DVD-Video ⓘ cinemas ⓘ digital television broadcasting ⓘ game consoles ⓘ home theater systems ⓘ set-top boxes ⓘ streaming video services ⓘ |
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: DD 5.1 Description of subject: DD 5.1 is a surround sound audio format that delivers discrete multichannel sound, typically used in home theater systems, cinemas, and digital broadcasts.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.