Opus
E818774
Opus is a versatile, royalty-free audio codec designed for interactive speech and high-fidelity music streaming over the internet.
All labels observed (2)
How this entity was disambiguated
This entity first appeared as the object of triple T9740616 — 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: Opus Context triple: [Advanced Audio Coding, competesWith, Opus]
-
A.
Opus
Opus was the chief city of the ancient Greek region of Eastern Locris, known as Opuntian Locris.
-
B.
Opus
Opus is a 2019 studio album by American singer Marc Anthony, known for its salsa tracks and his return to original material after several years.
-
C.
Opus 200
Opus 200 is a non-fiction collection by Isaac Asimov that surveys and reflects on his extensive body of work up to his 200th published book.
-
D.
Opus Klassik
Opus Klassik is a German classical music award established as the successor to the discontinued Echo Klassik prize.
-
E.
Opera Posthuma
Opera Posthuma is the posthumously published collection of Baruch Spinoza’s major philosophical writings, including his seminal work Ethics.
- 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: Opus Target entity description: Opus is a versatile, royalty-free audio codec designed for interactive speech and high-fidelity music streaming over the internet.
-
A.
Opus
Opus was the chief city of the ancient Greek region of Eastern Locris, known as Opuntian Locris.
-
B.
Opus
Opus is a 2019 studio album by American singer Marc Anthony, known for its salsa tracks and his return to original material after several years.
-
C.
Opus 200
Opus 200 is a non-fiction collection by Isaac Asimov that surveys and reflects on his extensive body of work up to his 200th published book.
-
D.
Opus Klassik
Opus Klassik is a German classical music award established as the successor to the discontinued Echo Klassik prize.
-
E.
Opera Posthuma
Opera Posthuma is the posthumously published collection of Baruch Spinoza’s major philosophical writings, including his seminal work Ethics.
- F. None of above. chosen
Statements (57)
| Predicate | Object |
|---|---|
| instanceOf |
audio codec
ⓘ
open standard ⓘ royalty-free codec ⓘ |
| basedOn |
CELT codec
ⓘ
SILK codec ⓘ |
| bitrateRange | 6 kbps to 510 kbps ⓘ |
| combinesTechnologyFrom |
CELT
ⓘ
SILK ⓘ |
| definedInRFC | RFC 6716 ⓘ |
| designedFor |
VoIP
ⓘ
interactive speech ⓘ music streaming ⓘ online gaming voice chat ⓘ video conferencing ⓘ |
| fileFormatExtension | .opus ⓘ |
| licenseType | royalty-free ⓘ |
| maintainedBy |
IETF codec working group
ⓘ
Xiph.Org Foundation ⓘ |
| mediaType | audio ⓘ |
| openSourceReferenceImplementation | libopus ⓘ |
| predecessor |
CELT
ⓘ
SILK ⓘ |
| releasedInYear | 2012 ⓘ |
| samplingRateRange | 8 kHz to 48 kHz ⓘ |
| standardizedBy |
IETF
ⓘ
linked to:
Internet Engineering Task Force
|
| supportsBandwidthMode |
fullband
ⓘ
narrowband ⓘ superwideband ⓘ wideband ⓘ |
| supportsBitrateType |
constant bitrate
ⓘ
constrained variable bitrate ⓘ variable bitrate ⓘ |
| supportsChannelCount |
mono
ⓘ
multichannel ⓘ stereo ⓘ |
| supportsContainerFormat |
Matroska
ⓘ
Ogg ⓘ WebM ⓘ |
| supportsFeature |
dynamic bitrate adaptation
ⓘ
forward error correction ⓘ low latency ⓘ packet loss concealment ⓘ speech and music auto-detection ⓘ |
| supportsFrameSizes |
10 ms
ⓘ
2.5 ms ⓘ 20 ms ⓘ 40 ms ⓘ 5 ms ⓘ 60 ms ⓘ |
| supportsUseCase |
high-fidelity music
ⓘ
internet streaming ⓘ real-time communication ⓘ |
| usedIn |
Chrome
ⓘ
Discord ⓘ Mozilla Firefox ⓘ WebRTC ⓘ WhatsApp ⓘ |
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: Opus Description of subject: Opus is a versatile, royalty-free audio codec designed for interactive speech and high-fidelity music streaming over the internet.
Referenced by (12)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Opus