Yamaha YM2151
E203720
The Yamaha YM2151 is an 8-channel FM synthesis sound chip widely used in 1980s arcade machines and computers to produce rich, multi-voice music and sound effects.
All labels observed (4)
| Label | Occurrences |
|---|---|
| Yamaha YM2151 canonical | 3 |
| YM2151 | 1 |
| Yamaha YM2151 (in FM-only lineage) | 1 |
| Yamaha YM2151 FM sound chip | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1774794 — 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: Yamaha YM2151 Context triple: [Sharp X68000, soundChip, Yamaha YM2151]
-
A.
Yamaha YM2612
The Yamaha YM2612 is a six-channel FM synthesis sound chip widely known for defining the distinctive music and audio of many 16-bit Sega Genesis/Mega Drive games.
-
B.
Texas Instruments SN76489
The Texas Instruments SN76489 is a classic programmable sound generator chip widely used in early home computers and game consoles to produce simple three-voice music and sound effects.
-
C.
Yamaha CS-80 synthesizer
The Yamaha CS-80 synthesizer is a legendary late-1970s analog polyphonic synthesizer renowned for its expressive performance controls and lush, cinematic sound, famously used by Vangelis on the Blade Runner soundtrack.
-
D.
Fairlight CMI
The Fairlight CMI is a pioneering digital synthesizer and sampler from the late 1970s and 1980s that revolutionized music production with its groundbreaking sampling capabilities and computer-based interface.
-
E.
Akai MPC3000
The Akai MPC3000 is a classic hardware sampler and drum machine renowned for its distinctive swing and influential role in shaping 1990s hip-hop and electronic music production.
- 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: Yamaha YM2151 Target entity description: The Yamaha YM2151 is an 8-channel FM synthesis sound chip widely used in 1980s arcade machines and computers to produce rich, multi-voice music and sound effects.
-
A.
Yamaha YM2612
The Yamaha YM2612 is a six-channel FM synthesis sound chip widely known for defining the distinctive music and audio of many 16-bit Sega Genesis/Mega Drive games.
-
B.
Texas Instruments SN76489
The Texas Instruments SN76489 is a classic programmable sound generator chip widely used in early home computers and game consoles to produce simple three-voice music and sound effects.
-
C.
Yamaha CS-80 synthesizer
The Yamaha CS-80 synthesizer is a legendary late-1970s analog polyphonic synthesizer renowned for its expressive performance controls and lush, cinematic sound, famously used by Vangelis on the Blade Runner soundtrack.
-
D.
Fairlight CMI
The Fairlight CMI is a pioneering digital synthesizer and sampler from the late 1970s and 1980s that revolutionized music production with its groundbreaking sampling capabilities and computer-based interface.
-
E.
Akai MPC3000
The Akai MPC3000 is a classic hardware sampler and drum machine renowned for its distinctive swing and influential role in shaping 1990s hip-hop and electronic music production.
- F. None of above. chosen
Statements (50)
| Predicate | Object |
|---|---|
| instanceOf |
FM synthesis chip
ⓘ
audio integrated circuit ⓘ sound chip ⓘ |
| hasAlternativeName |
OPM
ⓘ
YM-2151 ⓘ |
| hasApplication |
arcade game sound
ⓘ
computer sound ⓘ video game music ⓘ |
| hasBitDepth | internal 14-bit or higher processing (approximate) ⓘ |
| hasChannelCount | 8 ⓘ |
| hasDigitalControlInterface | serial control bus ⓘ |
| hasEnvelopeGenerator | ADSR-type envelope ⓘ |
| hasEra | third and fourth generation video game hardware ⓘ |
| hasFeature |
multiple FM algorithms
ⓘ
noise generation via FM techniques ⓘ per-channel panning ⓘ per-channel volume control ⓘ programmable instruments ⓘ |
| hasModulationFeatures |
LFO
ⓘ
tremolo ⓘ vibrato ⓘ |
| hasOperatorCountPerChannel | 4 ⓘ |
| hasOutput | stereo audio ⓘ |
| hasPackageType | DIP ⓘ |
| hasSynthesisType | frequency modulation synthesis ⓘ |
| hasTotalOperators | 32 ⓘ |
| hasTypicalClockFrequency |
3.579545 MHz (NTSC-related)
ⓘ
4 MHz range (varies by system) ⓘ |
| hasUseCase |
background music generation
ⓘ
sound effects generation ⓘ |
| hasVoices | 8-channel polyphony ⓘ |
| hasWaveform | sine wave operators ⓘ |
| isNotableFor |
characteristic 1980s arcade sound timbre
ⓘ
rich multi-voice FM music in arcade games ⓘ |
| isPredecessorOf | Yamaha YM2164 ⓘ |
| isRelatedTo |
Yamaha DX-series synthesizer technology
ⓘ
Yamaha YM2203 ⓘ Yamaha YM2612 ⓘ |
| manufacturer | Yamaha Corporation ⓘ |
| usedInPlatform |
Atari arcade boards
ⓘ
Capcom CPS-1 arcade system ⓘ FM Towns (early models via sound board) ⓘ Konami arcade boards ⓘ NEC PC-8801mkIISR series ⓘ
linked to:
PC-8801
NEC PC-9801-26K sound board ⓘ
linked to:
PC-98
Namco arcade boards ⓘ Sega arcade boards ⓘ
linked to:
Sega arcade systems
Sharp X1 ⓘ Sharp X68000 ⓘ |
| wasWidelyUsedInDecade | 1980s ⓘ |
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: Yamaha YM2151 Description of subject: The Yamaha YM2151 is an 8-channel FM synthesis sound chip widely used in 1980s arcade machines and computers to produce rich, multi-voice music and sound effects.
Referenced by (6)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Yamaha YM2151
linked to: Yamaha YM2151
linked to: Yamaha YM2151