EchoVoices combines k-NN-enhanced Whisper ASR, two-stage VITS TTS, and an LLM/RAG persona agent to create digital personas for seniors and children, reporting CER and similarity gains on two Mandarin datasets.
Retrieval-augmented generation for knowledge-intensive nlp tasks
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EchoVoices: Preserving Generational Voices and Memories for Seniors and Children
EchoVoices combines k-NN-enhanced Whisper ASR, two-stage VITS TTS, and an LLM/RAG persona agent to create digital personas for seniors and children, reporting CER and similarity gains on two Mandarin datasets.