Dolby C
E1004473
Dolby C is an advanced analog cassette noise reduction system developed by Dolby Laboratories to significantly improve audio signal-to-noise performance over earlier formats like Dolby B.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Dolby C canonical | 7 |
| Dolby C playback | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T12826048 — 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 C Context triple: [Dolby C noise reduction, hasAbbreviation, Dolby C]
-
A.
Dolby A
Dolby A is an early professional audio noise reduction system developed by Dolby Laboratories, widely used in analog recording and film sound before later Dolby formats superseded it.
-
B.
Dolby B
Dolby B is an early consumer noise-reduction system for analog cassette tapes that reduces tape hiss by boosting and then compressing high-frequency audio signals.
-
C.
Dolby AC-4
Dolby AC-4 is an advanced audio codec designed for next-generation broadcast and streaming, offering high-efficiency compression, immersive and personalized sound, and support for modern formats like UHD and HDR video services.
-
D.
Dolby MAT
Dolby MAT (Metadata-enhanced Audio Transmission) is an audio format and transport technology developed by Dolby that carries object-based Dolby Atmos sound and metadata over HDMI for home theater and consumer devices.
-
E.
Dolby S
Dolby S is an advanced analog cassette noise reduction system developed by Dolby Laboratories to deliver near–CD-quality sound on consumer tape decks.
- 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 C Target entity description: Dolby C is an advanced analog cassette noise reduction system developed by Dolby Laboratories to significantly improve audio signal-to-noise performance over earlier formats like Dolby B.
-
A.
Dolby A
Dolby A is an early professional audio noise reduction system developed by Dolby Laboratories, widely used in analog recording and film sound before later Dolby formats superseded it.
-
B.
Dolby B
Dolby B is an early consumer noise-reduction system for analog cassette tapes that reduces tape hiss by boosting and then compressing high-frequency audio signals.
-
C.
Dolby AC-4
Dolby AC-4 is an advanced audio codec designed for next-generation broadcast and streaming, offering high-efficiency compression, immersive and personalized sound, and support for modern formats like UHD and HDR video services.
-
D.
Dolby MAT
Dolby MAT (Metadata-enhanced Audio Transmission) is an audio format and transport technology developed by Dolby that carries object-based Dolby Atmos sound and metadata over HDMI for home theater and consumer devices.
-
E.
Dolby S
Dolby S is an advanced analog cassette noise reduction system developed by Dolby Laboratories to deliver near–CD-quality sound on consumer tape decks.
- F. None of above. chosen
Statements (41)
| Predicate | Object |
|---|---|
| instanceOf | analog cassette noise reduction system ⓘ |
| appliesTo |
analog magnetic tape
ⓘ
compact cassette ⓘ |
| audioChannelType | stereo ⓘ |
| brand |
Dolby
ⓘ
linked to:
Dolby Laboratories
|
| category |
audio noise reduction
ⓘ
magnetic tape technology ⓘ |
| commercialStatus | largely obsolete ⓘ |
| compatibleWith |
Dolby B playback (partial compatibility)
ⓘ
linked to:
Dolby B noise reduction
|
| countryOfOrigin |
United States
ⓘ
linked to:
United States of America
|
| designedFor |
consumer audio equipment
ⓘ
hi-fi cassette decks ⓘ music playback ⓘ music recording ⓘ |
| developer | Dolby Laboratories ⓘ |
| era | late 20th century audio technology ⓘ |
| feature |
calibration sensitivity
ⓘ
greater noise reduction than Dolby B ⓘ high-frequency noise reduction ⓘ improved dynamic range ⓘ record-playback encoding/decoding ⓘ |
| field | audio signal processing ⓘ |
| follows | Dolby B ⓘ |
| industry | audio engineering ⓘ |
| introducedAfter | Dolby B ⓘ |
| operatesOn | audio frequency band ⓘ |
| precededBy | Dolby B ⓘ |
| purpose |
improve signal-to-noise ratio
ⓘ
noise reduction ⓘ |
| replaces | Dolby B ⓘ |
| succeededBy | Dolby S ⓘ |
| targetMedium | analog cassette tape ⓘ |
| usedFor |
improving perceived audio quality
ⓘ
reducing tape hiss ⓘ |
| usedIn |
car cassette decks
ⓘ
home cassette decks ⓘ portable cassette players ⓘ |
| usesTechnique |
companding
ⓘ
de-emphasis ⓘ multi-band processing ⓘ pre-emphasis ⓘ |
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 C Description of subject: Dolby C is an advanced analog cassette noise reduction system developed by Dolby Laboratories to significantly improve audio signal-to-noise performance over earlier formats like Dolby B.
Referenced by (8)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Dolby C