Home▸Physics & Mechanics▸Step Sequencer and Harmony Roughness: 2D Grid

🎵 Step Sequencer and Harmony Roughness: 2D Grid

Interactive 2D 16-step sequencer with additive-synthesis tones: paint notes on a scale grid, hear them through Web Audio, and see the summed waveform and the Sethares roughness of every column's chord update live.

Physics & Mechanics2DEasy60 FPS📱 Mobile-adapted⇄ 2D version

Details

CategoryPhysics & Mechanics

RenderingCanvas 2D

DifficultyEasy

Target FPS60

ControlsClick or drag across the grid to place and erase notes; sliders for tempo, swing, harmonics, note decay and volume; selects for scale, root note, tuning (equal temperament or just intonation) and waveform; sound toggle, random and clear buttons, and presets.

musicharmonyrhythmadditive synthesisconsonancetuning

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⚙ Under the hood

musicharmonyrhythmadditive synthesisconsonancetuning

2D · HTML5 Canvas 2D · 60 FPS target · runs fully client-side, no install