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arXiv · 2501.15858

Applications of Artificial Intelligence for Cross-language Intelligibility Assessment of Dysarthric Speech

Eunjung Yeo·Julie Liss·Visar Berisha·David Mortensen
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Abstract

Purpose: Speech intelligibility is a critical outcome in the assessment and management of dysarthria, yet most research and clinical practices have focused on English, limiting their applicability across languages. This commentary introduces a conceptual framework--and a demonstration of how it can be implemented--leveraging artificial intelligence (AI) to advance cross-language intelligibility assessment of dysarthric speech. Method: We propose a two-tiered conceptual framework consisting of a universal speech model that encodes dysarthric speech into acoustic-phonetic representations, followed by a language-specific intelligibility assessment model that interprets these representations within the phonological or prosodic structures of the target language. We further identify barriers to cross-language intelligibility assessment of dysarthric speech, including data scarcity, annotation complexity, and limited linguistic insights into dysarthric speech, and outline potential AI-driven solutions to overcome these challenges. Conclusion: Advancing cross-language intelligibility assessment of dysarthric speech necessitates models that are both efficient and scalable, yet constrained by linguistic rules to ensure accurate and language-sensitive assessment. Recent advances in AI provide the foundational tools to support this integration, shaping future directions toward generalizable and linguistically informed assessment frameworks.

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Eunjung Yeo, Julie Liss, Visar Berisha, David Mortensen. 2025-01-27. Applications of Artificial Intelligence for Cross-language Intelligibility Assessment of Dysarthric Speech. https://arxiv.org/abs/2501.15858

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