Authors

Paula A. Perez-Toro

Publications 2

Preprint Open access

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

Paula A. Perez-Toro, Tomas Arias-Vergara, Annette Schwarz et al. · 2026

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 …

Preprint Open access

Beyond Decodability: Do Acoustic Factors Drive Predictions in Speech-Based Alzheimer's Assessment?

Serli Kopar, Alkis Koudounas, Roshan P. Rane et al. · 2026

Speech-based Alzheimer's disease (AD) assessments increasingly rely on pretrained self-supervised learning (SSL) models that learn acoustic representations directly from raw audio, exposing the model to recording factors. We ask whether such factors are merely encoded in SSL representations or can systematically alter …

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