Author

A. I. Ferreira

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#natural language process... Preprint Sep 2026

CVSS-X: A Multilingual Speech-to-Speech Translation Corpus for 28 Languages

We introduce CVSS-X, a large-scale synthetic speech-to-speech translation corpus that extends CVSS by reversing the translation direction. While CVSS translates from 21 languages into English, CVSS-X enables translation from English into 28 target languages spanning 12 language families. The corpus comprises approximat...

L. Gris, A. I. Ferreira, F. S. de Oliveira et al. · 0 citations

#artificial intelligence Preprint Sep 2026

CAL-MOS: Bridging Layers with Adapters for Robust MOS Prediction Across Speech Foundation Models

A layer-calibrated aggregation variant that applies per-layer adapters before pooling is evaluated, which improves the robustness of multi-layer fusion and narrows the gap to full fine-tuning while keeping the backbone frozen.

A. I. Ferreira, Pedro Lustosa Rege Botelho, Fernanda Silva et al. · 0 citations