Dolby S noise reduction
E1000933
Dolby S noise reduction is an advanced analog cassette noise-reduction system introduced by Dolby Laboratories, offering performance approaching that of professional Dolby SR for consumer audio equipment.
All labels observed (4)
| Label | Occurrences |
|---|---|
| Dolby S noise reduction canonical | 2 |
| Dolby NR | 1 |
| Dolby S-type noise reduction | 1 |
| Dolby noise reduction systems | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T12681990 — 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 S noise reduction Context triple: [Dolby B noise reduction, predecessorOf, Dolby S noise reduction]
-
A.
Dolby C noise reduction
Dolby C noise reduction is an advanced analog cassette noise-reduction system developed by Dolby Laboratories that provides greater high-frequency noise reduction and dynamic range improvement than the earlier Dolby B system.
-
B.
Dolby B noise reduction
Dolby B noise reduction is a consumer-oriented analog tape noise reduction system designed to reduce high-frequency hiss on cassette recordings while maintaining compatibility with standard playback equipment.
-
C.
Dolby A-type noise reduction
Dolby A-type noise reduction is a professional analog audio noise reduction system developed by Dolby Laboratories to reduce tape hiss in recording and film sound.
-
D.
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.
-
E.
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system developed by Dolby Laboratories, widely used in analog recording and film sound before later Dolby formats superseded it.
- 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 S noise reduction Target entity description: Dolby S noise reduction is an advanced analog cassette noise-reduction system introduced by Dolby Laboratories, offering performance approaching that of professional Dolby SR for consumer audio equipment.
-
A.
Dolby C noise reduction
Dolby C noise reduction is an advanced analog cassette noise-reduction system developed by Dolby Laboratories that provides greater high-frequency noise reduction and dynamic range improvement than the earlier Dolby B system.
-
B.
Dolby B noise reduction
Dolby B noise reduction is a consumer-oriented analog tape noise reduction system designed to reduce high-frequency hiss on cassette recordings while maintaining compatibility with standard playback equipment.
-
C.
Dolby A-type noise reduction
Dolby A-type noise reduction is a professional analog audio noise reduction system developed by Dolby Laboratories to reduce tape hiss in recording and film sound.
-
D.
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.
-
E.
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.
- F. None of above. chosen
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf | analog cassette noise-reduction system ⓘ |
| alsoKnownAs | Dolby S ⓘ |
| appliesTo | compact cassette ⓘ |
| audioChannelType | stereo ⓘ |
| brand |
Dolby
ⓘ
linked to:
Dolby Laboratories
|
| category |
audio engineering
ⓘ
audio noise reduction ⓘ magnetic recording technology ⓘ |
| compatibleWith |
Dolby B playback
ⓘ
linked to:
Dolby B noise reduction
Dolby C playback ⓘ
linked to:
Dolby C
|
| componentOf |
cassette deck
ⓘ
integrated stereo system ⓘ |
| countryOfOrigin |
United States
ⓘ
linked to:
United States of America
|
| developer | Dolby Laboratories ⓘ |
| era | late analog cassette era ⓘ |
| goal |
improve signal-to-noise ratio
ⓘ
increase perceived dynamic range ⓘ reduce audible tape noise ⓘ |
| inspiredBy | Dolby SR ⓘ |
| intendedFor | consumer audio equipment ⓘ |
| marketSegment |
high-end consumer audio
ⓘ
prosumer audio ⓘ |
| notableFeature |
consumer adaptation of professional Dolby SR concepts
ⓘ
higher noise reduction than Dolby C ⓘ |
| performanceApproaches | Dolby SR ⓘ |
| predecessor |
Dolby B noise reduction
ⓘ
Dolby C noise reduction ⓘ |
| primaryFunction |
hiss reduction
ⓘ
noise reduction ⓘ |
| reasonForObsolescence |
decline of cassette tapes
ⓘ
rise of digital audio formats ⓘ |
| requires |
decoding during playback
ⓘ
encoding during recording ⓘ |
| signalDomain | audio ⓘ |
| status | largely obsolete ⓘ |
| targetMedium | magnetic tape ⓘ |
| technologyType | analog audio signal processing ⓘ |
| useCase |
cassette tape playback
ⓘ
cassette tape recording ⓘ |
| usedIn |
home stereo cassette decks
ⓘ
some portable cassette recorders ⓘ |
| usesTechnique |
companding
ⓘ
multi-band processing ⓘ sliding-band processing ⓘ spectral skewing ⓘ |
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 S noise reduction Description of subject: Dolby S noise reduction is an advanced analog cassette noise-reduction system introduced by Dolby Laboratories, offering performance approaching that of professional Dolby SR for consumer audio equipment.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Dolby S noise reduction
linked to: Dolby S noise reduction
linked to: Dolby S noise reduction