... 回声抵消法 Echo Canceling Method ECM 回声消除器 Echo Canceller EC 回收栈 Recycle Stack ...
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...oS IP 优先级 TOS VoIP 网络技术方案 34 FAX 中继 T.30 DTMF 中继 YES 语音通道(每个IP PAD) 32(40ms) 回声消除器(IP PAD) G.168 PAD 控制 -16dB ~ +16dB (2dB) VoIP 网络技术方案 IPECS系统技术方案书 详细» ..
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AEC: Acoustic Echo Cancellation 回声消除器 AEC: Australian Electoral Commission 澳大利亚选举委员会 ..
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回声消除器的基本组成部分是一个自适应滤波器,和一个双向通话检测器。
The basic components of an echo canceller are an adaptive filter, and a double-talk detector.
NLMS算法是回声消除器中最常用的算法之一,然而语音信号的强相关性使NLMS(归一化最小均方)算法的收敛速度变慢。
NLMS (normalized least mean square) algorithm is widely used in echo canceller. However, due to high correlation of speech signals, the performance of echo canceller based on NLMS is depressed.
介绍了自适应回声消除器的基本结构及各个功能模块,例如:变阶数自适应滤波器,语音状态检测器,延迟分析器和NL MS算法控制器。
The structure of AEC as well as its composing modules, are introduced such as the speech detector, the adaptive filter, the time delay estimator and the NLMS algorithm controller.
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