drum-machine

16-step pattern sequencer. Every voice is built from OscillatorNode, white-noise BufferSource, and BiquadFilter — no samples shipped. Click cells to toggle, hit play.

BPM Preset

Open source — code on GitHub. Synthesis recipes are in drums.js; the lookahead scheduler (Chris-Wilson pattern) is in scheduler.js; 17 tests against a fake AudioContext live in tests/.