AIHacker Noonabout 4 hours ago
Production Voice Pipeline for African Languages
7 min read
A production voice chatbot serves English, Hausa, Yoruba, and Igbo using fine-tuned Whisper, NLLB-200 via CTranslate2 INT8, vLLM, and ChatterboxTTS. Silero VAD filters silence before Whisper to eliminate hallucinations. Redis semantic cache cuts LLM calls by 30-40%.
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