Formant Debug — Our Server

PRIMARY ANALYSIS (CFG_SCAN)

SCAN ceiling (Hz) 5000 Hz

SCAN n formants 5

Window (ms) 25 ms

Pre-emphasis (Hz) 50 Hz

BACK VOWEL DISAMBIGUATION (CFG_BACK)

BACK ceiling (Hz) 1800 Hz

BACK/ceiling ratio 0.95

BACK/FRONT ratio 0.75

GATE

Energy floor 0.005

Back vowel problems (/u/ /o/ showing too front): raise BACK/FRONT ratio down to 0.60, raise BACK ceiling to 2000.
/i/ detection problems: raise SCAN formants to 6-7.
Too many rejections (silence): lower Energy floor.
Reference audio is re-analyzed automatically 0.6s after any slider change.

FORMANT DEBUG — Our Server (stream :5051)