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Is Prosody Lost in Translation? Fine-Grained Cross-Lingual Prosody Similarity Across Languages

arXiv · AI, language, vision and robotics · article · Aug 28, 2026 · UTC

Prosody plays an important role in speech translation, conveying information such as emphasis, emotion, and intent beyond lexical content. However, despite recent progress in expressive speech-to-speech translation (S2ST), little is known about how prosodic patterns are similar/different across languages. Understanding these cross-lingual similarities and differences is crucial for effectively incorporating prosody into expressive S2ST systems. In this work, we present the first fine-grained cross-lingual analysis of prosody using multilingual dubbing data across English-German, English-Spanis

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