Author

Yu Pan

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Preprint Oct 2026

Prime-EVC: One-Step Expressive Emotional Voice Conversion via Emotion-Primed Flow Matching

Recent diffusion- and conditional flow matching (CFM)-based emotional voice conversion (EVC) systems achieve strong conversion quality. However, they typically rely on multiple sampling steps, because the conditioning specifies which emotion to impose while its acoustic realization is left to the sampler. In this paper...

Yu Pan, Xiao-Juan Cai, Liang Zhang et al. · 0 citations

Preprint Sep 2026

Foreground Voice Activity Detection: Learning Speaker Selectivity from Supervision

Voice activity detection (VAD) fronts most voice-agent pipelines, yet production detectors treat all human speech, background talkers included, as valid activity; in crowded settings this floods recognition, stalls turn-taking, and triggers false barge-in. We formalize Foreground VAD (FVAD): a frame-synchronous, enroll...

Guang-Zhao Yang, Muhammad Huzaifah, Yu Pan et al. · 0 citations