摘要:首先介绍了mSwitch系统当前对VoIP语音质量的监控情况;然后就语音质量的衡量标准MOS进行了简要描述;同时对现有的语音质量测量方法PSQM/PSQM+,PESQ,PAMS,E-Model的发展作了相关阐述;其中对E-Model方法进行了较为详细的介绍;最后对mSwitch系统对VoIP语音质量的监控提出了几点展望。
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