自适应声回波对消器系统的研制

Development of the Adaptive Acoustic Echo Canceller System

报道了自主开发的基于快速LMS/Newton算法 2 0 4 7个权的实用自适应声回波对消器系统 .该系统实时实现了LRM(扬声器 房间 麦克风 )系统中声回波的自适应对消 ,效果良好 .着重研究了系统的实现算法 。

The adaptive acoustic echo canceller system of 2047 weights based on the Fast LMS/Newton algorithm is presented. The acoustic echo of LMR system adaptive cancellation is implemented on the canceller in the real time processing. Result is satisfactory. The principle of the system ,hardware and software design, testing result of the system are given.