FM Explorer
2-operator frequency modulation. C:M ratio and modulation index control everything — electric piano to metallic clang.
preset:
1:1.00
brasspiano·bellmetal
2.5
purewarmrichnoise
C4 · 262 Hz
C2C4C6
Envelope ADSR
A0.01s
D0.30s
S0.60
R1.2s
or hold Space
Sideband spectrum — |Jₙ(β)|
○ demo LFOC = carrier at 262 Hz · fₘ = 262 Hz · depth = β × f, = 654 Hz
Yamaha DX7 algorithm · modulator → carrier.frequency · Web Audio · zero depsdesign notes ↗