RealSynth .NET
Analog polyphonic synthesizer
Real-time output / stereoSignal preview
Sound design
Attack
0.080 s
Cutoff
520 Hz
Resonance
0.380
Release
0.180 s
MIDI keyboard
Play notes with your mouse
Octave
C4
2 x PolyBLEP saw + sine / SVF low-pass© 2026 by RealSynth.NET
Interactive browser demo only · Use your mouse or keyboard A–K and W/E/T/Y/U to play notes · Audio starts when you trigger the first note