Evaluating and Preserving Lexical Stress in English-to-Chinese Speech-to-Speech Translation

In three linesStudy on lexical stress transfer in English-to-Chinese speech-to-speech translation. Authors construct a stress-annotated Mandarin dataset, develop an XLS-R-based stress detector, and propose an objective cross-lingual evaluation metric. A fine-tuned CosyVoice3 S2ST system outperforms existing systems in stress preservation while maintaining competitive translation quality.

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