YM-2151
E744882
YM-2151 is an 8-channel FM synthesis sound chip developed by Yamaha that was widely used in 1980s arcade machines and home computers for music and sound effects.
All labels observed (1)
| Label | Occurrences |
|---|---|
| YM-2151 canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T8602844 — 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: YM-2151 Context triple: [Yamaha YM2151, hasAlternativeName, YM-2151]
-
A.
YC-15
The YC-15 was a prototype short takeoff and landing (STOL) military transport aircraft developed by McDonnell Douglas in the 1970s that served as the technological basis for the later C-17 Globemaster III.
-
B.
WM-21 Sólyom
The WM-21 Sólyom was a Hungarian reconnaissance and light bomber aircraft developed in the late 1930s and operated by Hungary during World War II.
-
C.
CL-215T
The CL-215T is a turboprop-powered, modernized version of the Canadair CL-215 amphibious water bomber, used primarily for aerial firefighting operations.
-
D.
YHM
YHM is the IATA airport code for John C. Munro Hamilton International Airport, a regional passenger and cargo airport serving the Hamilton, Ontario area in Canada.
-
E.
GJ-25
GJ-25 is the vehicle registration code assigned to the Porbandar district in the Indian state of Gujarat.
- 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: YM-2151 Target entity description: YM-2151 is an 8-channel FM synthesis sound chip developed by Yamaha that was widely used in 1980s arcade machines and home computers for music and sound effects.
-
A.
YC-15
The YC-15 was a prototype short takeoff and landing (STOL) military transport aircraft developed by McDonnell Douglas in the 1970s that served as the technological basis for the later C-17 Globemaster III.
-
B.
WM-21 Sólyom
The WM-21 Sólyom was a Hungarian reconnaissance and light bomber aircraft developed in the late 1930s and operated by Hungary during World War II.
-
C.
CL-215T
The CL-215T is a turboprop-powered, modernized version of the Canadair CL-215 amphibious water bomber, used primarily for aerial firefighting operations.
-
D.
YHM
YHM is the IATA airport code for John C. Munro Hamilton International Airport, a regional passenger and cargo airport serving the Hamilton, Ontario area in Canada.
-
E.
GJ-25
GJ-25 is the vehicle registration code assigned to the Porbandar district in the Indian state of Gujarat.
- F. None of above. chosen
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf |
FM synthesis chip
ⓘ
sound chip ⓘ |
| commercialStatus | discontinued ⓘ |
| controlInterface | parallel bus ⓘ |
| countryOfOrigin | Japan ⓘ |
| developer | Yamaha NERFINISHED ⓘ |
| era | 1980s ⓘ |
| family | Yamaha OPM family NERFINISHED ⓘ |
| hasAlternateName |
OPM
NERFINISHED
ⓘ
Yamaha OPM NERFINISHED ⓘ |
| hasAmplitudeModulation | yes ⓘ |
| hasBitWidth | 4-operator FM tone generation (digital core) ⓘ |
| hasChannelCount | 8 ⓘ |
| hasDetuneFunction | yes ⓘ |
| hasEnvelopeGenerator | yes ⓘ |
| hasFeedbackFunction | yes ⓘ |
| hasInterruptOutput | yes ⓘ |
| hasKeyScaling | yes ⓘ |
| hasLFO | yes ⓘ |
| hasModulationType | phase modulation ⓘ |
| hasNoiseGenerator | no dedicated noise generator ⓘ |
| hasOperatorCountPerChannel | 4 ⓘ |
| hasPanControl | stereo panning per channel ⓘ |
| hasPhaseModulation | yes ⓘ |
| hasRegisterControl | yes ⓘ |
| hasTimer | yes ⓘ |
| hasWaveform | sine-based FM operators ⓘ |
| intendedUse |
arcade machines
ⓘ
home computers ⓘ |
| manufacturer | Yamaha NERFINISHED ⓘ |
| notableFor |
characteristic bright FM sound
ⓘ
widespread use in 1980s arcade sound hardware ⓘ |
| outputType | analog audio ⓘ |
| polyphony | 8 voices ⓘ |
| successor |
YM-2164
NERFINISHED
ⓘ
YM-2612 NERFINISHED ⓘ |
| supportsAlgorithms | multiple FM operator algorithms GENERATED ⓘ |
| synthesisType | FM synthesis ⓘ |
| useCase |
music
ⓘ
sound effects ⓘ |
| usedIn |
Atari ST (some models via add-on or variants)
NERFINISHED
ⓘ
Sharp X68000 NERFINISHED ⓘ numerous 1980s arcade boards ⓘ |
| usedInDomain |
computer music
ⓘ
video game audio ⓘ |
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: YM-2151 Description of subject: YM-2151 is an 8-channel FM synthesis sound chip developed by Yamaha that was widely used in 1980s arcade machines and home computers for music and sound effects.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.