Polyphonic Synthesizer | Vibe-Coded with Claude
Web Audio · additive harmonics · MIDI input
Press a key to start audio
MIDI: idle
Oscillators
OSC 1
OSC 2
Filter
LFO
Off
Pitch
Filter
Amp Envelope
Master
Harmonic Editor — Custom Waveform (additive synthesis)
Sine
Sawtooth
Square
Organ
Clear
Waveform preview
Set an oscillator to the
∿ custom
wave to play this shape.
Computer keys:
A W S E D F T G Y H U J K
| Z/X shift octave
Octave
−
C4
+
All notes off
Enable MIDI