And it also supports Echo cancellation and noise suppression.
另外还有支援回因取消以及杂讯抑制。
So, a new algorithm with two-filters for the echo cancellation is proposed.
本文提出一种使用双滤波器的回声消除算法。
This thesis represents acoustic echo cancellation in voice communication system.
论文首先研究了用于声音通信系统中的声回波抵消技术。
The problems of echo cancellation in the system of high rate data transmission are studied in this paper.
本文探讨高速数据传输系统中的回波抵消问题。
A novel adaptive method based on feed-forward neural networks for echo cancellation is proposed in this paper.
基于前馈神经网络的自适应回声消除方法。
Fractional delay filters are applied to a wide range such as communications, speech processing, echo cancellation, etc.
分数延迟滤波器广泛用于通信，语音处理，回声消除等。
Doubletalk detection(DTD) is used to sense whether the far-end speech is corrupted by the near-end speech in echo cancellation.
声回波对消中，双端语音检测用以判定远端语音是否混和有近端语音。
The algorithm discussed in the paper has realized echo cancellation with software in real time within our video conference system.
文中所阐述的算法已在电视会议系统中实时实现了软件的消回声处理。
The echo cancellation technique is now widely used to implement the full-duplex communication in almost all telephone privacy systems.
几乎所有的电话保密系统都使用回波抵消技术来实现全双工通信。
So acoustic echo cancellation (AEC) technique has become a hot issue of competition in the famous communication company all over the world.
因此，回波消除技术也就成为世界各大通讯公司竞争的热点技术之一。
Adaptive filtering is widely used in system identification, signal separation, channel equalization and echo cancellation and other fields.
自适应滤波广泛应用于系统识别、信号分离、信道均衡以及回声抵消等领域。
Adaptive algorithms are applied to real-time stereophonic acoustic echo cancellation to improve the communication quality of teleconference.
将自适应算法应用于实时立体声回波对消，以提高电话会议的通信质量。
The paper introduces acoustic echo cancellation algorithm that is based on the improved and variable step size NLMS and it's DSP implementation.
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。
An adaptive conjugate gradient algorithm based on subband decompsition structure was proposed for acoustic echo cancellation in communication systems.
针对通信系统中的声学回声干扰问题，研究了一种快速收敛和有效的自适应回声抵消算法。
The dissertation is focused on the research of reducing the computational complexity of large adaptive filters and their applications in echo cancellation.
本论文主要研究了如何降低高阶自适应滤波器算法的计算复杂度及其在回波消除器中的应用。
It has faster convergence speed and more accuracy when applied to stereo acoustic echo cancellation because the correlation between the transformed signals is reduced.
当新算法应用于多路回波消除时具有很高的收敛速度和收敛精度，取得了较好的回波消除效果。
It ensures users a better communication experience by mechanisms of AGC (automatic gain control), AEC (automatic echo cancellation) and ANS (automatic noise suppression).
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。
The software algorithms are realized in host CPU, including channel parameters estimation, bit allocation, equalization, echo cancellation, FFT, IFFT, encoding, decoding, etc.
其中软件算法部分全部在主机CPU中实现，其中包括信道初始化，比特分配策略，符号同步，信道均衡，回波抵消，编码解码，FFT和IFFT等等。
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.
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 finally designs a really voice communication system, including three parts: Acoustics Echo Cancellation (AEC), Speech Enhancement and automatic gain control (AGC).
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 the multi-channel echo cancellation, the nonlinear pre-processing is always used to overcome the non-convergence of the filter caused by the strong correlation of input signals.
非线性预处理是解决多通路回波消除中因输入信号间的强相关性而引起的滤波器不收敛的有效方法。
Multi channel acoustic echo cancellation (AEC) systems suffer from the non uniqueness problem of the adaptive identification solution because of the correlation of the input signals.
多路回波消除问题的本质难点是由于多路输入信号之间的强相关性而导致的自适应滤波器解不唯一的问题。
DSP performs voice process part, including voice compression, echo cancellation, tone activity detection, tone detection and generation, voice packet, these are signal process scope.
DSP处理器完成语音处理的部分，包含了语音压缩、回波消除、拨号音的产生、语音打包等等，这些基本上都属于信号处理的范畴。
By analysing the actual room acoustic environments, this paper presents a novel algorithm for acoustic echo cancellation, it can dynamically change the length of the adaptive filter order.
通过对回声抵消的实际应用环境进行分析，提出一种新的动态改变自适应滤波器阶数的算法。
This paper discusses firstly adaptive algorithms of LMS and VLMS1, being used widely in treating the problem of echo cancellation for full-duplex transmission in ISDN digital subscriber's loop.
本文针对ISDN数字用户环路二线全双工的回波抵消传输方式，首先探讨了LMS、VLMS1自适应算法，并在此基础上提出改进的VLMS2算法。
This paper discusses firstly adaptive algorithms of LMS and VLMS1, being used widely in treating the problem of echo cancellation for full-duplex transmission in ISDN digital subscriber's loop.
本文针对ISDN数字用户环路二线全双工的回波抵消传输方式，首先探讨了LMS、VLMS1自适应算法，并在此基础上提出改进的VLMS2算法。
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