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。
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 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。
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。
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。
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。
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。
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。
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