A single flow-matching model performs speech bandwidth extension across continuously varying cutoff frequencies by treating the observed low-band spectrum as an in-context prompt and infilling the masked high band.
ICASSP 2026-2026 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP) , pages=
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AnyBand: Unified Multi-Bandwidth Speech Extension via Frequency-Aware In-Context Spectral Infilling
A single flow-matching model performs speech bandwidth extension across continuously varying cutoff frequencies by treating the observed low-band spectrum as an in-context prompt and infilling the masked high band.