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Key Technologies for Improving the Audio Quality of VoIP
Author(s): 
Pages: 63-65,74
Year: Issue:  7
Journal: AUDIO ENGINEERING

Keyword:  网关关守网络电话音频质量;
Abstract: VoIP系统由终端、网关、关守组成,其音频质量受清澈度、延时、抖动等因素影响,提高其音频质量的关键技术有音频编码技术、抖动处理技术、音频优先技术、静音检测技术、回声消除技术、前向纠错技术等.简要介绍了VoIP系统构成,分析了影响音频质量的因素,从6个方面具体介绍提高其质量的技术关键.
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