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| author | skal <pascal.massimino@gmail.com> | 2026-02-06 18:22:50 +0100 |
|---|---|---|
| committer | skal <pascal.massimino@gmail.com> | 2026-02-06 18:22:50 +0100 |
| commit | 819394afe35a754f8408a98dc3f42e58ef5f69f9 (patch) | |
| tree | 15a321c0e595fd37140437f44c2ed25ba7acdac0 /doc/BUILD_OPTIMIZATION_PROPOSAL.md | |
| parent | 2dcc4216faa359482f3f782931bfd1a2bbaf407b (diff) | |
fix(audio): Clean up stale spectrograms and fix asset references
ROOT CAUSE:
- 15 stale .spec files from pre-orthonormal DCT era (16x amplification)
- Asset manifest referenced 3 non-existent samples (kick1, snare1, hihat1)
- music.track used outdated asset IDs after renumbering
FIXES:
1. Removed all 29 stale .spec files
2. Regenerated 14 clean spectrograms from source files
3. Updated demo_assets.txt: removed KICK_1, SNARE_1, HIHAT_1; renumbered remaining
4. Updated music.track: KICK_3→KICK_2, SNARE_4→SNARE_3, HIHAT_4→HIHAT_3
5. Added BASS_2 (BASS_SYNTH_1.spec) to asset manifest
VERIFICATION:
- All peak levels < 1.0 (no clipping) ✅
- Demo builds and runs successfully ✅
REMAINING ISSUE:
- RMS levels vary 4.6x (0.054 to 0.248)
- Samples not normalized before encoding
- This explains erratic volume in demo64k
- Recommend: normalize source .wav files before spectool analyze
handoff(Claude): Audio distortion fixed, but samples need RMS normalization.
Diffstat (limited to 'doc/BUILD_OPTIMIZATION_PROPOSAL.md')
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