Synesthetic Sketch
Your music as shape — not just color. Each audio feature maps to a different visual dimension as shapes accumulate on the canvas.
Spectral centroid → hue (violet = low, amber = mid, rose = high)
Spectral spread → shape (circle = pure tone · star = complex noise)
Harmonic richness → inner rings (0–4 concentric)
Amplitude → object scale
Onset / beat → spark burst
Shapes accumulate over the session — the canvas fills slowly and fades over ~3 minutes. Download at any time.