Dolby TrueHD
E86890
Dolby TrueHD is a lossless multichannel audio codec designed for high-definition home entertainment formats like Blu-ray to deliver studio-quality surround sound.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Dolby TrueHD canonical | 9 |
How this entity was disambiguated
This entity first appeared as the object of triple T645622 — 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 TrueHD Context triple: [Dolby Laboratories, products, Dolby TrueHD]
-
A.
Dolby Digital
Dolby Digital is a multichannel digital audio encoding system widely used in cinema, home theater, and broadcast to deliver surround sound.
-
B.
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.
-
C.
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.
-
D.
Dolby Vision
Dolby Vision is a high-dynamic-range (HDR) imaging technology that enhances video with greater brightness, contrast, and color accuracy for a more lifelike viewing experience.
-
E.
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.
- 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 TrueHD Target entity description: Dolby TrueHD is a lossless multichannel audio codec designed for high-definition home entertainment formats like Blu-ray to deliver studio-quality surround sound.
-
A.
Dolby Digital
Dolby Digital is a multichannel digital audio encoding system widely used in cinema, home theater, and broadcast to deliver surround sound.
-
B.
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.
-
C.
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.
-
D.
Dolby Vision
Dolby Vision is a high-dynamic-range (HDR) imaging technology that enhances video with greater brightness, contrast, and color accuracy for a more lifelike viewing experience.
-
E.
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.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
audio codec
ⓘ
lossless audio codec ⓘ multichannel audio codec ⓘ |
| audioCodingType | lossless ⓘ |
| audioFormat | PCM-equivalent after decoding ⓘ |
| audioProfile | home cinema ⓘ |
| backwardCompatibility | can be accompanied by Dolby Digital core track ⓘ |
| brand |
Dolby Laboratories
ⓘ
surface form:
Dolby
|
| competesWith | DTS-HD Master Audio ⓘ |
| compressionDomain | frequency domain ⓘ |
| compressionType | lossless compression ⓘ |
| decodingLocation |
AV receiver
ⓘ
Blu-ray player ⓘ |
| developer | Dolby Laboratories ⓘ |
| goal |
deliver studio-quality sound
ⓘ
provide bit-for-bit reproduction of studio master ⓘ |
| introducedFor | next-generation optical disc formats ⓘ |
| marketedFor | high-definition home theater ⓘ |
| qualityClaim | studio master quality ⓘ |
| region | worldwide ⓘ |
| requires | compatible AV receiver for decoding ⓘ |
| supportsBitDepth | 24-bit ⓘ |
| supportsChannelConfiguration |
2.0 channels
ⓘ
5.1 channels ⓘ up to 7.1 channels ⓘ |
| supportsChannels |
multichannel
ⓘ
surround sound ⓘ |
| supportsCopyProtection | HDCP via HDMI transport ⓘ |
| supportsLanguageIndependence | yes ⓘ |
| supportsMetadata |
Dolby Digital compatibility metadata
ⓘ
dialog normalization ⓘ downmixing information ⓘ dynamic range control ⓘ |
| supportsMultipleStreams | multiple audio tracks on a disc ⓘ |
| supportsObject | Dolby Atmos metadata (on Blu-ray) ⓘ |
| supportsSampleRate |
192 kHz
ⓘ
48 kHz ⓘ 96 kHz ⓘ |
| transportInterface | HDMI ⓘ |
| typicalUse |
Blu-ray Disc format
ⓘ
surface form:
Blu-ray Disc
Blu-ray Disc format ⓘ
surface form:
HD DVD
high-definition video formats ⓘ home entertainment ⓘ |
| useCase |
high-fidelity music releases on Blu-ray
ⓘ
movie soundtracks ⓘ |
| usedIn |
Blu-ray Disc specification
ⓘ
HD DVD specification ⓘ |
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 TrueHD Description of subject: Dolby TrueHD is a lossless multichannel audio codec designed for high-definition home entertainment formats like Blu-ray to deliver studio-quality surround sound.
Referenced by (9)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Blu-ray Disc
subject surface form:
Dolby Laboratories, Inc.