Author

Yi-Si Liu

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Preprint Sep 2026

CharDuplex: Building Character-Consistent Full-Duplex Spoken Dialogue Models

Full-duplex speech models are moving voice interaction beyond conventional turn-taking, yet natural conversation is shaped not only by when an agent speaks, but also by how it behaves as a conversational character. We present CharDuplex, a character-driven full-duplex speech model that combines real-time spoken interac...

Donghang Wu, Yi-Si Liu, Chen Chen et al. · 0 citations

#artificial intelligence Feb 2026

HuPER: A Human-Inspired Framework for Phonetic Perception

HuPER is a human-inspired framework that models phonetic perception as adaptive inference over acoustic-phonetics evidence and linguistic knowledge and is the first framework to enable adaptive, multi-path phonetic perception under diverse acoustic conditions.

Chen-Xu Guo, Jia-Chen Lian, Yi-Si Liu et al. · arXiv.org · 4 citations · ⚡1