Author

Cheng-Lin Xu

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Preprint Oct 2026

Edit Who Speaks, Control How They Speak: Global Timbre Editing and Local Instruction Control for TTS

Instruction-based text-to-speech (TTS) offers control over voice characteristics and speech expression through interfaces including voice cloning and text-based voice design. Voice cloning reproduces a reference voice, whereas text-based voice design creates a voice from a natural-language description. However, neither...

Jun-Chuan Zhao, Cheng-Lin Xu, Wei Zeng et al. · 0 citations

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

Diagnose, Then Refine: A Closed-Loop TTS System with AudioLLM-Guided Correction

Human evaluation on diagnosed low-quality TTS outputs diagnosed by an AudioLLM shows that LoopTTS can detect perceptually salient errors and correct them with the Refiner, outperforming raw generated audio and practical open-loop re-generation baselines in recovery quality.

Ze-Yang Song, Tianyu Liu, Tian-Rui Wang et al. · 1 citation