🎹 Web Audio Synth
Oscillator
Sine
Square
Saw
Tri
Volume
50%
ADSR Envelope
Attack
0.02s
Decay
0.10s
Sustain
70%
Release
0.30s
Low-Pass Filter
Cutoff
8000 Hz
Resonance
1.0
Reverb (ConvolverNode)
Mix
20%
Impulse
2.0s
8-Step Sequencer
▶ Play
■ Stop
BPM
120
Click cells to activate · Steps play selected pitch
Recording (WAV export via MediaRecorder)
● Record
⬇ Export WAV
Click a key or press A W S E D... (QWERTY) to play · Start audio first