16‑Step Drum Machine

Click cells to toggle hits. Web Audio synthesized kick, snare, hi‑hat, and clap.
Tip: press Space to play/stop
Current step is highlighted.
Sounds are created on-demand with short envelopes + filtered noise using the Web Audio API.
120
Stopped
Audio: not started
Sets a few example grooves.
The sequencer schedules audio slightly ahead for stable timing.