VoIP话音质量测量与实际应用

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摘要针对VOIP系统中话音质量难以量化衡量的现状,介绍了现有的几种测量方法,重点描述了综合考虑IP分组网络特征的E-Model原理与计算方法,并结合系统实际案例,提出了具体应用E-Model计算分析的方法,为工程设计提供依据。

作者朱海鸿陈冬莹

机构地区中国电子科技集团公司第二十八研究所

出处《数据通信》 2011年第4期43-46,共4页

关键词 IP话音话音质量测量 E-MODEL

参考文献4

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3ITU-T Amendment G.113, Provisional planning values for the wideband equipment impairment factor and the wideband packet loss robustness factor,2009-3.
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1[1]ITU-T Recommendation G.107, The E-Model, a computational model for use in transmission planning, March 2003
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7Speech Quality Prediction in VolP Using the Extended E- Model , Lingfen Stm, GLOBECOM ' 03 [ C ]. IEEE. Global Telecommunications Conference ( IEEE Cat. No.03CH37489), 2003: 3974 - 3978
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数据通信

2011年第4期

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