蓝牙功能得到了改进，背景回声消除了。
Bluetooth functionality is improved; background echo is eliminated.
基于前馈神经网络的自适应回声消除方法。
A novel adaptive method based on feed-forward neural networks for echo cancellation is proposed in this paper.
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.
同时，与去相关技术相结合，使得最终的回声消除效果更好。
At the same time, it combines decorrelation technology, and finally the effect of echo cancellation is gotten better.
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.
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.
该算法使用自适应滤波器跟踪回声信道，使用一个辅助滤波器和自适应滤波器一起完成回声消除。
The algorithm USES an adaptive filter to track the echo path, and an auxiliary filter to cancel the echo together with the adaptive filter.
主要说明了数字语音处理芯片FM1073在蓝牙车载免提系统中进行回声消除处理的应用方法。
In this paper, we describe an application of digital speech processing chip FM1073 to improve the performance of acoustic echo cancellation in the Bluetooth hands-free system.
介绍一种基于改进的可变步长规格化最小均方差(NLMS)回声消除算法研究和它的DSP实现。
The paper introduces acoustic echo cancellation algorithm that is based on the improved and variable step size NLMS and it's DSP implementation.
通过AGC(自动增益控制)，AEC(回声消除)，ANS(自动噪声抑制)，提供用户更好的通信感受。
It ensures users a better communication experience by mechanisms of AGC (automatic gain control), AEC (automatic echo cancellation) and ANS (automatic noise suppression).
本文最终设计了一个真实的语音通信系统，包括声学回声消除(aec)、语音增强和自动增益控制(agc)三部分。
In this paper finally designs a really voice communication system, including three parts: Acoustics Echo Cancellation (AEC), Speech Enhancement and automatic gain control (AGC).
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.
另一个重要因素是消除谐波的回声在更高的频率，导致更多的细节，仍然是一个平滑，更自然的声音。
Another vital element is the removal of harmonic echoes in the higher frequencies, which result in a lot more detail and still a smoother and more natural sound.
另一个重要因素是消除谐波的回声在更高的频率，导致更多的细节，仍然是一个平滑，更自然的声音。
Another vital element is the removal of harmonic echoes in the higher frequencies, which result in a lot more detail and still a smoother and more natural sound.
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