OPN2
E736645
OPN2 is a Yamaha FM synthesis sound chip architecture widely used in classic video game consoles and arcade systems for generating rich, distinctive music and sound effects.
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
Yamaha FM synthesis sound chip architecture
ⓘ
sound chip family ⓘ |
| belongsToFamily | Yamaha OPN family NERFINISHED ⓘ |
| developedBy | Yamaha Corporation NERFINISHED ⓘ |
| era |
early 1990s
ⓘ
late 1980s ⓘ |
| hasAlternativeName | YM2612 architecture ⓘ |
| hasBitDepth |
9-bit internal DAC (YM2612)
ⓘ
improved DAC resolution (YM3438) ⓘ |
| hasChannelCount | 6 FM channels ⓘ |
| hasControlInterface | register-based control via CPU ⓘ |
| hasEnvelopeType | ADSR-like envelope ⓘ |
| hasLimitation |
audible DAC distortion in some implementations
ⓘ
limited number of channels ⓘ |
| hasModulationCapability |
amplitude modulation via LFO
ⓘ
operator frequency modulation ⓘ |
| hasNotableChipImplementation |
YM2612
NERFINISHED
ⓘ
YM3438 NERFINISHED ⓘ |
| hasOutputType | analog audio output ⓘ |
| hasWaveformType | sine-based operators ⓘ |
| influenced |
design of later FM synthesis chips
ⓘ
sound of 16-bit console era ⓘ |
| notableFor |
distinctive crunchy FM sound
ⓘ
iconic soundtracks in Sega Genesis games ⓘ widespread use in 16-bit era consoles ⓘ |
| relatedTo |
OPN (YM2203)
NERFINISHED
ⓘ
OPN3 / later Yamaha FM architectures NERFINISHED ⓘ OPNA (YM2608) NERFINISHED ⓘ OPNB (YM2610) NERFINISHED ⓘ |
| supportsFeature |
4-operator FM synthesis
ⓘ
LFO modulation ⓘ envelope generators ⓘ hardware timers ⓘ stereo output ⓘ |
| typicalClockFrequency | around 7.67 MHz in Sega Mega Drive/Genesis ⓘ |
| usedBy |
chiptune musicians
ⓘ
video game composers ⓘ |
| usedFor |
background music in arcade games
ⓘ
sound effects ⓘ video game music ⓘ |
| usedIn |
Sega Genesis
NERFINISHED
ⓘ
Sega Genesis Model 2 NERFINISHED ⓘ Sega Mega Drive NERFINISHED ⓘ Sega Mega Drive II NERFINISHED ⓘ various arcade system boards ⓘ |
| usedInGenre |
chiptune
ⓘ
electronic music experiments ⓘ video game music ⓘ |
| usesSynthesisType | FM synthesis ⓘ |
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.