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오픈소스만으로 실시간 음성 챗봇을 구현하는 종합 가이드. Silero VAD, faster-whisper, Ollama, Piper TTS를 조합한 파이프라인에 barge-in(사용자 발화 시 즉시 응답 중단) 기능을 구현하는 상태머신 설계, Python 예시 코드, 지연시간 최적화, 한국어 품질 개선 팁까지 다룹니다.
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