Oscillator sync
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Oscillator sync is a feature in some synthesizers with two or more VCOs, DCOs, or "virtual" oscillators. As one oscillator finishes a cycle, it resets the period of another oscillator, forcing the lat
The oscillator sync control on an ARP Odyssey analogue synthesiser
Yamaha OPL
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The OPL series is a family of sound chips developed by Yamaha. It consists of low-cost sound chips providing FM synthesis for use in computing, music and video game applications.
Yamaha YM3812 (OPL2 chip)
Creative Labs and other companies often hid the original Yamaha labels
Decapsulated YM3812, showing the die surface
OPL3 waveforms