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eess.AS2026
Language Orthogonalization for Zero-Shot Cross-Lingual Audio Deepfake Detection
Minu Kim, Ji Sub Um, Hoirin Kim
Audio deepfake detectors need to transfer to languages absent from training, as multilingual speech synthesis outpaces labeled anti-spoofing resources. While detectors increasingly…
eess.AS2026
VeRe-Flow: Guiding Flow Matching toward Clean Speech via Velocity Contrastive Regularization and Representation Alignment for Noise-Robust Bandwidth Expansion
Sujin Koo, Sangyoon Kim, Ji Sub Um +1
Noise-robust bandwidth expansion aims to reconstruct high-fidelity wideband speech from noisy low-resolution inputs. While flow matching has shown strong performance in speech gene…