Author

Tomás Arias-Vergara

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#natural language process... Preprint Oct 2026

Do Speech Representations Preserve Regional Accent Across Read and Spontaneous Speech?

Regional accent cues can be captured under matched conditions, but it remains unclear whether they persist between read and spontaneous speech. We study RVG1, with 500 German speakers from nine regions, comparing ten speech representations on regional classification and continuous geolocation under matched conditions a...

P. A. Pérez-Toro, Tomás Arias-Vergara, Annette Schwarz et al. · 0 citations

#artificial intelligence Preprint Aug 2026

Understanding Multilingual Medical ASR Adaptation Through Layer-Wise Analysis

This paper investigates how multilingual medical adaptation reshapes the internal representations of Whisper models through layer-wise encoder analysis, and shows that English medical fine-tuning produces the dominant encoder shift, whereas multilingual continuation largely preserves the adapted representation space.

Souranil Kahali, Rituparna Bose, Abner Hernandez et al. · 0 citations