Author

Zhipeng Li

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Preprint Aug 2026

EmoTra-TTS: Smooth Intra-Utterance Emotion Transitions for Speech Synthesis

A multi-pass flow blending pipeline synthesizes frame-aligned transition audio, circumventing the scarcity of natural intra-utterance transitions, and dual-stage Valence-Arousal-Dominance conditioning guides prosodic planning in the LLM and acoustic realization in the flow decoder via frame-level VAD embeddings.

Tian-Chi Liu, Ze-Yang Song, Tian-Rui Wang et al. · 6 citations

#artificial intelligence Preprint Aug 2026

Ex-Omni-2D: Expressive Omni-Modal Dialogue Models with Native Visual Presence

Omni-modal dialogue models can understand multimodal inputs and synthesize spoken replies, but a spoken answer still leaves the agent visually absent. We introduce \textbf{Ex-Omni-2D}, a framework that answers a multimodal query with coordinated text, personalized speech, and reference-conditioned video. The dialogue m...

Haoyu Zhang, Zhipeng Li, Xiaoying Tang et al. · 0 citations