Vesper
Desk synthesizer
Silent
TraceWaiting
Tap a key to wake the oscillators
Level
Wave
Patch
Cutoff1.4 kHz
Reso3.4
Attack15 ms
Decay0.22 s
Sustain66
Release0.32 s
Volume72
Octave
C4
Pedal
Letters play the labeled keys. Arrows shift the octave. Space toggles the pedal. Drag a knob, or double-click it to reset.