基于Mediastreamer2的VoIP电话实时语音通信功能的设计与实现  

Design and implementation of real-time voice communication in VoIP phonebased on Mediastreamer 2

作　　者：许志强 刘飞[2] 宗静 廖蓉晖[1] XU Zhiqiang;LIU Fei;ZONG Jing;LIAO Ronghui(The 30th Research Institute of CETC,Chengdu Sichuan 610041,China;PLA 61516,Beijing 100036,China;PLA 61623,Beijing 100036,China)

机构地区：[1]中国电子科技集团公司第三十研究所,四川成都610041 [2]中国人民解放军61516部队,北京100036 [3]中国人民解放军61623部队,北京100036

出　　处：《长江信息通信》2022年第8期27-30,共4页Changjiang Information & Communications

摘　　要：Mediastreamer2是一个轻量级流媒体处理技术引擎,适用于VoIP电话中音视频流处理。文章根据VPIP电话实际应用需求,对Mediastreamer2源码进行了修改,新增了实现opus编码和回声消除降噪功能的filter,最终实现了VoIP电话实时语音通信功能。本文重点介绍了VoIP电话实时语音通信功能的设计实现过程,并对设计的实时语音通信功能和通话语音质量进行了测试,并给出测试结论。Mediastreamer2 is a lightweightstreaming technology engine for VoIP phone medium voice video streaming.In this paper,according to the actual application requirements of VPIP phone,the source code of Mediastreamer2 is modified,and the filter which realizes OPUS encoding and echo cancellation and noise reduction is added.Finally,the real-time voice communication function of VoIP phone is realized.This paper focuses on the design and implementation process of the real-time voice communication function of VoIP phone,and tests the designed real-time voice communication function and voice quality,and gives the test conclusion.

关 键 词：Mediastreamer2 VoIP电话:语音质量 opus编码 

分 类 号：TP311[自动化与计算机技术—计算机软件与理论]