Author

Zhipeng Li

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Preprint Aug 2026

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

Psychological research on emotion dynamics has established that human affect is a continuous, evolving process: emotions rise, decay, and transition within seconds. Current emotional text-to-speech (TTS) systems, however, condition on a single discrete label or static embedding per utterance, fundamentally misaligning...

Tianchi Liu, Ze-Yang Song, Tian-Rui Wang et al. · 3 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