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Stochastic packet reconstruction for subjectively improved audio delivery over WLANs

Published: 27 August 2007 Publication History

Abstract

Real time digital audio delivery over Wireless Local Area Networks (WLANs) represents an attractive, flexible and cost effective framework for realizing high-quality, multichannel home audio applications. However, the unreliable nature of WLANs IP link frequently imposes significant playback quality degradation, due to delay or permanent loss of a number of transmitted digital audio packets. In this paper, a novel packet error concealment technique is presented, based on the spectral reconstruction of the statistical equivalent of a previously successfully received audio data packet. It is shown that the proposed data reconstruction scheme outperforms previously published error concealment strategies, in both terms of objective and perceptual criteria.

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  • (2007)WLAN technologies for audio deliveryAdvances in Multimedia10.1155/2007/123082007:1(1-16)Online publication date: 1-Jan-2007

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            cover image ACM Conferences
            MobiMedia '07: Proceedings of the 3rd international conference on Mobile multimedia communications
            August 2007
            403 pages
            ISBN:9789630626705

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            ICST (Institute for Computer Sciences, Social-Informatics and Telecommunications Engineering)

            Brussels, Belgium

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            Published: 27 August 2007

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            Author Tags

            1. WLAN
            2. audio streaming
            3. packet reconstruction

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            • (2007)WLAN technologies for audio deliveryAdvances in Multimedia10.1155/2007/123082007:1(1-16)Online publication date: 1-Jan-2007

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