Additive Synthesizer (WebAudio)
Add partials (oscillators) to build tones. ADSR and realtime visualization included.
Polyphony: 8 voices
Master Tuning (A4 Hz)
440 Hz
Root frequency for keyboard (C4 by default)
261.63 Hz
Change this to transpose the keyboard's base pitch.
Global ADSR (ms except sustain ratio)
Attack
Decay
Sustain (0-1)
Release
Partials (Harmonics)
+ Add partial
Clear
You can add up to 32 partials.
Global Controls
Master Volume
Randomize
Waveform for partials
sine
triangle
sawtooth
square
Choose type used by each partial (classic additive uses sine partials).
Presets
Pure Sine
Organ-ish
Bell
Ambient Pad
Keyboard
Click or press keys (z,s,x,d,c,v,g,b,h,n,j,m) for one octave.
Visualization