Multi-Stage Training For Cross-Domain Full-Band Audio Packet Loss Concealment

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Nan Li, Guochen Yu, Chen Zhang, Chao Zhou, Qi Huang, Bing Yu

Published: 01 Jan 2024, Last Modified: 14 Oct 2025ICASSP Workshops 2024EveryoneRevisionsBibTeXCC BY-SA 4.0
Abstract: This paper introduces a multi-stage full-band packet loss concealment (PLC) method that incorporates both time-domain and frequency-domain learning. Specifically, the time-domain model is elaborately designed to generate the missing packets, while the frequency-domain model aims to remove discontinuity and noise. The proposed system achieved the 1st place ranking in the ICASSP 2024 PLC Challenge, demonstrating superior performance with a mere 20ms algorithm latency.