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LegSmith/README.md

πŸŽ™οΈ Speech AI Research Engineer

μ‹€μ‹œκ°„ λ‹€κ΅­μ–΄ μŒμ„± 처리 Β· λ‹€κ΅­μ–΄ 언어감지(LID) Β· μƒμ„±ν˜• AI

Email Notion


πŸ§‘β€πŸ’» About Me

κΈ°μ—…λΆ€μ„€μ—°κ΅¬μ†Œμ—μ„œ μŒμ„±μΈμ‹(STT) λΆ„μ•Όμ˜ μ—°κ΅¬κ°œλ°œμ„ λ‹΄λ‹Ήν•˜κ³  있으며, μ‹€μ‹œκ°„ λ‹€κ΅­μ–΄ STT와 λ‹€κ΅­μ–΄ 언어감지(LID) λ₯Ό λ©”μΈμœΌλ‘œ μ—°κ΅¬ν•˜κ³  μžˆμŠ΅λ‹ˆλ‹€. λΆ€κ°€μ μœΌλ‘œ μƒμ„±ν˜• AI 챗봇 / RAG μ‹œμŠ€ν…œμ˜ 섀계와 ꡬ좕, μš΄μ˜κΉŒμ§€ κ²½ν—˜ν–ˆμŠ΅λ‹ˆλ‹€.

  • πŸŽ™οΈ Speech β€” Selvy STT(μƒμš©) Β· Faster Whisper(CTranslate2 λ³€ν™˜ μ‹€μ‹œκ°„ λͺ¨λΈ) Β· Cloud STT(ElevenLabs, Google STT) 기반 μ‹€μ‹œκ°„ λ‹€κ΅­μ–΄ STT μ‹œμŠ€ν…œ κ΅¬μΆ•Β·μš΄μ˜
  • 🌐 LID β€” ECAPA-TDNN 기반 7개 μ–Έμ–΄ 감지 λͺ¨λ“ˆ 개발 (μ˜μ–΄ / 일본어 / 쀑ꡭ어 / λŸ¬μ‹œμ•„μ–΄ / νƒœκ΅­μ–΄ / μΈλ„λ„€μ‹œμ•„μ–΄ / λ² νŠΈλ‚¨μ–΄) 및 LID λͺ¨λΈ 자체 νŒŒμΈνŠœλ‹ κ²½ν—˜
  • πŸ€– Generative AI β€” μ‚¬μš©μž 질문 μ˜λ„ λΆ„λ₯˜ β†’ RAG λ‹΅λ³€ / sLLM(Gemma3:12b, Ollama) λΆ„κΈ° 둜직 기반 QnA 챗봇 섀계·ꡬ좕

πŸ”¬ Currently Working On

  • πŸš€ λ‹€κ΅­μ–΄ STT 고도화 β€” 도메인 ν™˜κ²½μ—μ„œμ˜ 인식 정확도 / μ‹€μ‹œκ°„ μ§€μ—°μ‹œκ°„ / μ–Έμ–΄ μ „ν™˜ μ•ˆμ •μ„± κ°œμ„ 
  • 🎀 WavLM 기반 ν™”μžμΈμ‹ β€” 도메인 μŒμ„± λ°μ΄ν„°λ‘œ νŒŒμΈνŠœλ‹ν•œ WavLM을 ν™œμš©ν•˜μ—¬ ν™”μž 뢄리·식별 정밀도 ν–₯상
  • 🧠 Cumulative LID μ•„ν‚€ν…μ²˜ 섀계 및 개발 β€” ECAPA-TDNN μž„λ² λ”© 기반 λˆ„μ  언어식별 ꡬ쑰 섀계 (단일 μ„Έκ·Έλ¨ΌνŠΈ LID의 λΆˆμ•ˆμ •μ„±μ„ λ³΄μ™„ν•˜κΈ° μœ„ν•΄ ν™”μžΒ·μ±„λ„ λ‹¨μœ„ ν”„λ‘œνŒŒμΌκ³Ό μ‹œκ°„ 가쀑 λˆ„μ  νžˆμŠ€ν† λ¦¬λ₯Ό κ²°ν•©)

🏭 Production / Deployment

μ‹€μ œ μ½œμ„Όν„° ν˜„μž₯에 λ‹€κ΅­μ–΄ μ‹€μ‹œκ°„ STT μ‹œμŠ€ν…œμ„ λ„μž…ν•˜μ—¬ ꡬ좕 β†’ 운영 β†’ κ³ λ„ν™”κΉŒμ§€ μ „ 과정을 λ‹΄λ‹Ήν–ˆμŠ΅λ‹ˆλ‹€.

  • πŸ‡°πŸ‡· 외ꡐ뢀 μ˜μ‚¬μ½œμ„Όν„° β€” ν•œκ΅­μ–΄ / μ˜μ–΄ μ‹€μ‹œκ°„ STT μ‹œμŠ€ν…œ λ„μž… 및 ꡬ좕, 운영
    • Selvy STT(μƒμš© S/W) + Faster Whisper(Self-hosted) ν•˜μ΄λΈŒλ¦¬λ“œ νŒŒμ΄ν”„λΌμΈ
    • VAD β†’ STT β†’ LID β†’ μ½”λ“œμŠ€μœ„μΉ­ ν™”λ©΄ 좜λ ₯κΉŒμ§€ end-to-end 운영
  • 🧭 ν•œκ΅­κ΄€κ΄‘κ³΅μ‚¬ 1330 κ΄€κ΄‘μ•ˆλ‚΄μ½œμ„Όν„° β€” 8개 μ–Έμ–΄(ν•œκ΅­μ–΄ / μ˜μ–΄ / 일본어 / 쀑ꡭ어 / λŸ¬μ‹œμ•„μ–΄ / νƒœκ΅­μ–΄ / μΈλ„λ„€μ‹œμ•„μ–΄ / λ² νŠΈλ‚¨μ–΄) μ‹€μ‹œκ°„ STT μ‹œμŠ€ν…œ λ„μž… 및 ꡬ좕, 운영
    • Selvy STT(μƒμš© S/W) or Faster Whisper(Self-hosted) + Cloud STT(ElevenLabs / Google STT) ν•˜μ΄λΈŒλ¦¬λ“œ νŒŒμ΄ν”„λΌμΈ
    • 톡역사 쀑계 톡화(상담원 / 톡역사 / 외ꡭ인 ν™”μž λ™μ‹œ 처리) ν™˜κ²½ λŒ€μ‘
    • μ‹€μ‹œκ°„ ν™”μž/μ–Έμ–΄ 감지 + λˆ„μ  LID 기반 μ•ˆμ •μ  λ‹€κ΅­μ–΄ STT 전사
  • πŸ€— Hugging Face λͺ¨λΈ νŒŒμΈνŠœλ‹ 및 운영 적용
    • μ½œμ„Όν„° 도메인 μŒμ„± 데이터λ₯Ό ν™œμš©ν•΄ Whisper / WavLM / ECAPA-TDNN λ“± μ‚¬μ „ν•™μŠ΅ λͺ¨λΈμ„ νŒŒμΈνŠœλ‹
    • ν•™μŠ΅ β†’ 평가(EER λ“±) β†’ λ³€ν™˜(CTranslate2) β†’ μ‹€μ‹œκ°„ μΆ”λ‘  μ„œλ²„ λ°°ν¬κΉŒμ§€ 일괄 μ§„ν–‰

πŸ› οΈ Tech Stack

πŸ₯‡ Main β€” 싀무 메인

Languages & Frameworks

Python Java FastAPI Spring Boot WebSockets MariaDB Git

Speech / ML

PyTorch Hugging Face Selvy STT Faster Whisper CTranslate2 SpeechBrain Silero VAD WavLM NVIDIA CUDA

πŸ₯ˆ Sub β€” 싀무 ν™œμš© κ²½ν—˜

Cloud STT / Generative AI

ElevenLabs Google Cloud STT Ollama LangChain ChromaDB PostgreSQL Oracle

Audio / Data / Frontend

NumPy SciPy librosa HTML5 CSS3 JavaScript

Build / Ops

Linux Ubuntu Rocky Linux Gitea Grafana

πŸ€– AI Tools

Claude Code Codex Gemini CLI


snake gif

πŸ’»GitHub Analytics

LegSmithΒ  LegSmith

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