FAC Implementation Scorecard

FAC Implementation Scorecard

Score: 6/8 (75

Corpus

• Entries: 105
• Unique videos: 20
• N'Ko chars: 12541
• Tone marks: 3316
• Parsed syllables: 4139
• Marked register H+L: 65.8
• Non-contour H+L+M: 99.1
• Contour rising+falling: 0.9

Text Baseline

• Majority TDER: 58.7
• Unigram TDER: 51.4
• Bigram TDER: 50.8

Gates

• PASS: unicode_inventory_verified
• PASS: tone_prior_current_corpus
• PASS: text_baseline_recomputed
• PASS: scripts_pass
• PASS: contract_tests_pass
• PASS: no_stale_claims
• BLOCKED: read_speech_available
• BLOCKED: checkpoint_inference_verified

Commands

- PASS: `/opt/homebrew/opt/python@3.14/bin/python3.14 -W ignore tone_lm_baseline.py`
- corpus: 105 lessons, 4139 syllables
- text-only tone-resolution TDER (avg of 5 splits, lower=better):
- majority-class floor : 58.7
- PASS: `/opt/homebrew/opt/python@3.14/bin/python3.14 -W ignore tone_seam_v0.py`
- ================================================================
- TONE-SEAM v0 — acoustic tone resolution for N'Ko
- ================================================================
- PASS: `/opt/homebrew/opt/python@3.14/bin/python3.14 -W ignore tone_fusion_eval.py --selftest`
- [selftest] controlled F0 matching gold tones (acoustic should be near-perfect):
- syllables=60
- TEXT-only TDER : 60.0
- PASS: `/opt/homebrew/opt/python@3.14/bin/python3.14 -W ignore h2_pitch_fidelity.py`
- H2 pitch-fidelity | RMSE in cents (lower=better) | rate-distortion
- corpus: synthetic tonal, 500x6x16, F0 100-250 Hz, contour depth 360 cents
-
- PASS: `/opt/homebrew/opt/python@3.14/bin/python3.14 -m pytest -q tests`
- ...... [100
- 6 passed in 0.03s

Stale Claim Scan

- No stale claim strings found in the audited implementation/docs surface.

Remaining End-to-End Gates

• A real read-speech WAV aligned to known toned N'Ko text.
• One checkpoint inference pass to measure end-to-end toned CER.