rin.kagamine 744f0ae6e5 feat: Redesign waveform as amplitude-over-time visualization ...

Replaces 64-band FFT frequency spectrum with 200-bar amplitude envelope:
- RMS amplitude per time slice — shows actual track dynamics
- Quiet intros, loud drops, silence gaps all visible
- Per-track normalization — each track uses its full dynamic range
- Gentle compression (power 0.7) so quiet parts remain visible
- 3-point weighted smoothing preserves dynamics while looking polished
- Time-progressive HSL gradient: deep amber (20°) → bright orange (40°)
- Single centered bars with rounded caps — classic waveform look
- 160px height, 800px width, tight 1px gap for dense visualization
- Cleared cached waveforms so all clips regenerate with new algorithm

2026-05-29 20:15:50 -04:00

20 KiB

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