Tone.js · Polyphonic Synth

Playable Piano

One chromatic octave, C4–C5. Click or tap a key, drag across keys, or use your computer keyboard. Hold for sustain — release and the envelope fades naturally.

Audio not started — press any piano or computer key

Now playing —

Timbre Volume Computer keys: A W S E D F T G Y H U J K

✦ Muse PianoC4 — C5 · 13 notes

Computer-key mapping (in order)

0.02sAttack

0.25sDecay

45%Sustain

1.2sRelease

Sound is synthesized live with Tone.js — no audio files. Pressing starts a note (triggerAttack); releasing starts its release phase (triggerRelease). Try a chord: hold A + D + G together.