Analytical and experimental comparison of packet loss recovery methods based on AMR-WB for VoIP

Authors:
Zhongbo Li;Stefan Bruhn;Shenghui Zhao;Jingming Kuang
Affiliations:
Department of Electronic Engineering, Beijing Institute of Technology,Beijing, China;Multimedia Technologies, Ericsson Research, Sweden;Department of Electronic Engineering, Beijing Institute of Technology,Beijing, China;Department of Electronic Engineering, Beijing Institute of Technology,Beijing, China
Venue:
ICC'09 Proceedings of the 2009 IEEE international conference on Communications
Year:
2009

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Abstract

Forward error control (FEC) and multiple description coding (MDC) are two classical techniques to resist packet loss for Voice over IP (VoIP). AMR-WB codec has been standardized for wideband speech conversational applications and has widely potential applications in the migration of wireless or wired networks toward a single converged IP network. However, how to choose the optimal FEC or MDC for AMR-WB in different loss rate conditions is an unexplored option. In this paper, we compare the performance of different FEC and MDC techniques for AMR-WB codec both analytically and experimentally. Based on the comparison results, some practical configurations of FEC and MDC for AMR-WB codec are obtained.