摘要
阐述回声消除技术原理,介绍自适应回声消除器基本结构,分析两类消除回声的基本算法,并提出基于两类算法的几种改进型算法,为提高IP电话的话音质量提供一定的参考。
The element of the echo cancellation and the configuration of the adaptive echo canceller is first introduced in this paper.It also analyzed two kinds of basic algorithms on echo cancellation , then based on which a few improving algorithms were provided . These can provide reference for improving speech quality on IP phone.
出处
《舰船电子工程》
2007年第4期29-32,66,共5页
Ship Electronic Engineering
