关键词：回声消除；控制逻辑；激活检测器；开环双工检测器；闭环校正器 [gap=1039]Key words: echo canceller; control logic; activity detector; open loop DT detector; closed loop correlato..
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...克风对应相应的声道，也就是说每一个麦克风只捕捉特定的音频流，最后进行整合，通过名为回声消除（Acoustic Echo Cancellation，AEC）的信号处理功能减少来自音源输入通道的回声等其它环境噪音，由此而来得到更高质量的话音输入质量，在录音方...
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However, a major difficulty encountered in applications like acoustic echo cancellation is the requirement for very long adaptive filters (N>1000).
但是，在声学回波消除应用中，往往需要上千个甚至更多的自适应滤波器系数才能达到回声消除的要求。
参考来源 - 自适应滤波理论及其在回波消除中的应用研究According to these characteristics,a modified adaptive echo canceller based on sliding-window NLMS adaptive filtering algorithm and simplified nonlinear processor is presented. The structure of the proposed echo canceller as well as its composing modules is introduced.
该文利用NLMS算法的滑动窗自适应滤波器和简化非线性处理器设计,实现一种数字可视电话系统中的G.168自适应回声消除器,介绍其基本结构和各个功能模块的算法,并以ARM 920T为硬件平台实现该系统。
参考来源 - 数字可视电话系统中的G.168回声消除技术·2,447,543篇论文数据，部分数据来源于NoteExpress
本文提出一种使用双滤波器的回声消除算法。
So, a new algorithm with two-filters for the echo cancellation is proposed.
分数延迟滤波器广泛用于通信，语音处理，回声消除等。
Fractional delay filters are applied to a wide range such as communications, speech processing, echo cancellation, etc.
重要的是要明白，回声消除用来提高远端用户接收到的语音质量。
It is important to understand that the echo canceller is meant to improve the quality on the remote end.
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