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Improving performance of real-time full-band blind packet-loss concealment with predictive network

2022-11-08 08:04:25
Viet-Anh Nguyen, Anh H. T. Nguyen, Andy W. H. Khong
arXiv_SD
       
Abstract

Packet loss concealment (PLC) is a tool for enhancing speech degradation caused by poor network conditions or underflow/overflow in audio processing pipelines. We propose a real-time recurrent method that leverages previous outputs to mitigate artefact of lost packets without the prior knowledge of loss mask. The proposed full-band recurrent network (FRN) model operates at 48~kHz, which is suitable for high-quality telecommunication applications. Experiment results highlight the superiority of FRN over an offline non-causal baseline and a top performer in a recent PLC challenge.

Abstract (translated)

URL

https://arxiv.org/abs/2211.04071

PDF

https://arxiv.org/pdf/2211.04071.pdf

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