Speech & pronunciation
NSD-Speech-Stack
한국어 음성 인식·합성·발음 평가 통합.
Korean speech recognition, synthesis, and pronunciation assessment.
한국어 STT (자체 학습 모델) + TTS + 발음 평가 자산 통합. 발음 평가 처리시간 60초 → 5–7초 (~10–12× 가속), 평균 confidence 0.929, 평균 발음 점수 81.75. STT 운영 24시간 6,190 요청, 9일 누적 가동.
Korean STT (in-house model) + TTS + pronunciation assessment integrated. Pronunciation latency 60s → 5–7s (~10–12× speedup), mean confidence 0.929, mean pronunciation score 81.75. STT served 6,190 requests over a 24-hour window, 9-day uptime.
Mini-dashboard · indicators only
Verified signals. 추세·비교·상태만 — 절대 수치 일부는 공개 보류.
~10–12×
Pronunciation speedup
60 s → 5–7 s wall-clock
0.929
Mean confidence
10-run benchmark
81.75
Mean pronunciation score
10-run benchmark
6,190
STT requests · 24h
9-day production uptime
Pronunciation latency · before vs after (seconds)
60 s → 5–7 s wall-clock · midpoint 6 s shown
Pronunciation confidence
0.929 mean
10-run benchmark
Higher is better · 0–1 scale shown as %
Components in production
STT 24h · 6,190 production requests · 9-day uptime
Included NSD products
- NSD-STT-Korean-v1.4
- NSD-TTS-v1
- NSD-PopKor-Pronunciation-v1
Pronunciation: 10-run benchmark · STT: 24h production count · 9-day uptime.