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synth

Voice Architecture

  • Polyphonic: Up to 64 simultaneous voices

  • Each voice is independent with

    • Oscillator state (phase, frequency, wave-table)
    • Amplitude envelope (ADSR)
    • Filter state
    • Modulation routing
    • Pan position
    • One-shot mode
    • Reverse playback mode
    • Casio CZ-style phase distortion

  • A voice can chain MIDI note and trigger/velocity level to one or two other voices

  • Signal flow per voice

%%{init:{'flowchart': {'nodePadding': 20},{'rankSpacing': 20}}}%%
graph TD
w(waveform)
v(voice)
f("frequency<br>&rarr;mod")
c("phase distortion<br>&rarr;mod")
h("sample & hold (down-sampling)")
q("quantizer (bit-reduction)")
J("multi-mode filter (LP/HP/BP/Notch/AP)")
a("amplitude<br>&rarr;mod<br>ADSR&rarr;")
X((mod))
p("panner<br>&rarr;mod")
v-->w;
w-->f;
f-->c;
c-->h;
h-->q;
q-->J;
J-->a;
a-->X;
X-->p;
p-->L & R;
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