Blu-ray Disc format
E41417
The Blu-ray Disc format is a high-definition optical disc technology used for storing and playing back HD and Ultra HD video and large amounts of digital data.
All labels observed (17)
| Label | Occurrences |
|---|---|
| Blu-ray Disc | 30 |
| Blu-ray | 12 |
| Ultra HD Blu-ray | 5 |
| Blu-ray Disc Association | 2 |
| Blu-ray Disc format canonical | 2 |
| Blu-ray Disc specification | 2 |
| Blu-ray Discs | 2 |
| HD DVD | 2 |
| AACS | 1 |
| BD-ROM Mark | 1 |
| Blu-ray (as part of a collection) | 1 |
| Blu-ray Disc security architecture | 1 |
| Blu-ray Disc specifications | 1 |
| Blu-ray Disc technology | 1 |
| Blu-ray disc | 1 |
| Blu-ray discs | 1 |
| Blu-ray players | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T321450 — 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: Blu-ray Disc format Context triple: [Sony, developed, Blu-ray Disc format]
-
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.
CinemaScope
CinemaScope was a widescreen film format introduced in the 1950s that used anamorphic lenses to create a much wider image than traditional movie presentations.
-
C.
IMAX
IMAX is a high-resolution large-format cinema technology known for its giant screens, immersive sound, and specialized cameras used for premium theatrical presentations.
-
D.
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.
-
E.
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.
- 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: Blu-ray Disc format Target entity description: The Blu-ray Disc format is a high-definition optical disc technology used for storing and playing back HD and Ultra HD video and large amounts of digital data.
-
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.
CinemaScope
CinemaScope was a widescreen film format introduced in the 1950s that used anamorphic lenses to create a much wider image than traditional movie presentations.
-
C.
IMAX
IMAX is a high-resolution large-format cinema technology known for its giant screens, immersive sound, and specialized cameras used for premium theatrical presentations.
-
D.
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.
-
E.
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.
- F. None of above. chosen
Statements (50)
| Predicate | Object |
|---|---|
| instanceOf |
digital storage medium
ⓘ
high-definition video format ⓘ optical disc format ⓘ |
| abbreviatedAs | BDA ⓘ |
| alsoKnownAs | BD ⓘ |
| competesWith | digital video streaming ⓘ |
| dataEncodingMethod | pit-and-land optical encoding ⓘ |
| developedBy |
Blu-ray Disc format
self-linksurface differs
ⓘ
surface form:
Blu-ray Disc Association
|
| dualLayerCapacity | 50 GB ⓘ |
| firstCommercialPlayersReleased | 2006 ⓘ |
| introduced | 2006 ⓘ |
| laserWavelength | 405 nm ⓘ |
| layerStructure |
dual-layer
ⓘ
multi-layer ⓘ single-layer ⓘ |
| physicalMediumType | polycarbonate disc ⓘ |
| predecessor |
DVD
ⓘ
Blu-ray Disc format self-linksurface differs ⓘ
surface form:
HD DVD
|
| primaryUse |
Ultra HD video playback
ⓘ
data storage ⓘ high-definition video playback ⓘ |
| quadLayerCapacity | 128 GB ⓘ |
| regionCode |
A
ⓘ
B ⓘ C ⓘ |
| singleLayerCapacity | 25 GB ⓘ |
| smallerDiscDiameter | 8 cm ⓘ |
| standardDiscDiameter | 12 cm ⓘ |
| successorFormatVariant |
Blu-ray Disc format
self-linksurface differs
ⓘ
surface form:
Ultra HD Blu-ray
|
| supportsAudioChannels |
5.1 surround sound
ⓘ
7.1 surround sound ⓘ |
| supportsAudioCodec |
DTS
ⓘ
DTS-HD Master Audio ⓘ Dolby Digital ⓘ Dolby TrueHD ⓘ |
| supportsContentProtection | ROM-Mark ⓘ |
| supportsCopyProtection |
DRM
ⓘ
surface form:
AACS
BD+ ⓘ |
| supportsInteractivePlatform | BD-J ⓘ |
| supportsRegionCoding | yes ⓘ |
| supportsResolution |
1920×1080
ⓘ
3840×2160 ⓘ |
| supportsVideoCodec |
H.264
ⓘ
surface form:
H.264/AVC
H.265 ⓘ
surface form:
HEVC/H.265
MPEG ⓘ
surface form:
MPEG-2
VC-1 ⓘ |
| supportsVideoStandard |
HDTV
ⓘ
Ultra HD ⓘ |
| tripleLayerCapacity | 100 GB ⓘ |
| usesLaserColor | blue-violet ⓘ |
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: Blu-ray Disc format Description of subject: The Blu-ray Disc format is a high-definition optical disc technology used for storing and playing back HD and Ultra HD video and large amounts of digital data.
Referenced by (66)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Blu-ray
this entity surface form:
Blu-ray disc
subject surface form:
Blu-ray Disc
this entity surface form:
Blu-ray Disc Association
subject surface form:
Blu-ray Disc
this entity surface form:
HD DVD
subject surface form:
Blu-ray Disc
this entity surface form:
Ultra HD Blu-ray
subject surface form:
PlayStation 3
this entity surface form:
Blu-ray Disc
this entity surface form:
Blu-ray Disc specification
this entity surface form:
Blu-ray Disc
this entity surface form:
Ultra HD Blu-ray
this entity surface form:
Blu-ray Disc
this entity surface form:
Blu-ray Disc
this entity surface form:
Blu-ray Disc
this entity surface form:
Blu-ray Disc Association
subject surface form:
Delirious
this entity surface form:
Blu-ray
this entity surface form:
Blu-ray Disc
this entity surface form:
Blu-ray Disc
this entity surface form:
Blu-ray discs
this entity surface form:
Blu-ray Disc
this entity surface form:
HD DVD
this entity surface form:
Blu-ray Disc
this entity surface form:
Blu-ray Disc
this entity surface form:
Ultra HD Blu-ray
this entity surface form:
Blu-ray
this entity surface form:
Blu-ray Discs
this entity surface form:
Blu-ray Disc
this entity surface form:
Blu-ray Disc
this entity surface form:
Blu-ray Disc
this entity surface form:
Blu-ray players
this entity surface form:
AACS
this entity surface form:
BD-ROM Mark
this entity surface form:
Blu-ray Disc specifications
this entity surface form:
Blu-ray Disc
this entity surface form:
Blu-ray Disc specification
this entity surface form:
Blu-ray Disc
this entity surface form:
Blu-ray
this entity surface form:
Blu-ray Disc
this entity surface form:
Blu-ray Disc
this entity surface form:
Blu-ray Disc