自适应回音抵消技术分析与探讨

Discussion and Analysis of the Adaptive Echo Cancellation Technology

对回音抵消器中的关键技术──自适应滤波技术及双方同时说话／回音路径跳变检测与控制技术进行了介绍、分析与比较，探讨了现有技术的优缺点．并提出了该技术领域进一步的研究方向。

This paper gives a survey and analysis on the key technologies for echo cancellation: adaptive filtering and double talk/echo path change detection and control. It discusses the advantages and disadavantages of the existing methods, and proposes further research directions in this field.