Speaker Style-Aware Phoneme Anchoring for Improved Cross-Lingual Speech Emotion Recognition

Shreya G. Upadhyay; Carlos Busso; Chi-Chun Lee

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arXiv · 2509.20373

Speaker Style-Aware Phoneme Anchoring for Improved Cross-Lingual Speech Emotion Recognition

Shreya G. Upadhyay·Carlos Busso·Chi-Chun Lee

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Abstract

Cross-lingual speech emotion recognition (SER) remains a challenging task due to differences in phonetic variability and speaker-specific expressive styles across languages. Effectively capturing emotion under such diverse conditions requires a framework that can align the externalization of emotions across different speakers and languages. To address this problem, we propose a speaker-style aware phoneme anchoring framework that aligns emotional expression at the phonetic and speaker levels. Our method builds emotion-specific speaker communities via graph-based clustering to capture shared speaker traits. Using these groups, we apply dual-space anchoring in speaker and phonetic spaces to enable better emotion transfer across languages. Evaluations on the MSP-Podcast (English) and BIIC-Podcast (Taiwanese Mandarin) corpora demonstrate improved generalization over competitive baselines and provide valuable insights into the commonalities in cross-lingual emotion representation.

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Shreya G. Upadhyay, Carlos Busso, Chi-Chun Lee. 2025-09-19. Speaker Style-Aware Phoneme Anchoring for Improved Cross-Lingual Speech Emotion Recognition. https://arxiv.org/abs/2509.20373

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