Author

Zhi-Sheng Zheng

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Preprint Sep 2026

Voices as Handles: Reasoning about Speaker Identity with Frozen Text LLMs

Multi-user voice agents must track who said what across dialogue sessions. Text LLMs are attractive backbones for such agents, but transcripts alone do not expose acoustic speaker identity, leaving the model without a persistent reference for linking information to speakers across sessions. We address this gap by intro...

Run-Qiu Xu, Zhi-Sheng Zheng, David Harwath · 0 citations

Preprint Aug 2026

CtrlSpeech: Coarse-to-Fine Control for Expressive Speech Synthesis

Experimental results show that CtrlSpeech achieves competitive zero-shot TTS performance and improves controllability over expressive attributes, demonstrating its effectiveness for flexible and practical expressive speech synthesis.

Zhi-Sheng Zheng, Xiaohang Sun, Zhu Liu et al. · 0 citations