Author

Run-Qiu Xu

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Preprint Sep 2026

Silence-the-Mimic: Accelerating Imperceptible Perturbation Generation Against Voice Cloning

Deep neural network-based Voice Conversion (VC) and Text-to-Speech (TTS) models have rapidly advanced, enabling realistic voice cloning with minimal input data. Such capabilities raise serious concerns over unauthorized cloning of speaker identities and the associated privacy and security risks. Current imperceptible a...

Run-Qiu Xu · 0 citations

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