FM Synthesis

Allows to immitate musical instruments by generating a wave pattern.

FM 1323 / YAMAHA 3812 / OPL 2

Adlib Music Synthesiser (1987) - Martin Prevel
Sound Blaster (1989) - Sim Wong Hoo (W.H. Sim)

FM Synthesis Diagram

Source of the pictures: Josha Munnik & Eric Oostendorp, The Sound Blaster Book, SYBEX 1994

OPL 2:

2 operators: modulator + carrier mono

11 voices: 9 melody and 5 rythmic instruments

In melody mode: 9 melodies, no drums

In rhythmic mode: 6 melodies and 5 drums

OPL 3 (SB Pro v2, SB16, and other recent ISA cards):

4 operators: (modulator + carrier) * 2 - stereo.

20 voices mono: two-operator mode(mono): 15 melodies + 5 drums.

11 voices stereo: four-operator mode(stereo): 6 melodies + 5 drums

OPL synthesis is supported by majority of ISA sound cards.

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