1) Stereo echo cancellation
立体声学回声抵消
2) stereo echo canceller
立体声回波抵消
1.
A conventional stereo echo canceller had to stop updating parameters during the double during the double talk.
当处理混合语音信号时,传统的立体声回波抵消技术不具备修正参数的能力。
3) acoustic echo cancellation
声学回声抵消
1.
Sub-band Adaptive Filtering (SAF) algorithm is a major method to deal with the acoustic echo cancellation (AEC) problem with long reverberation time.
子带自适应滤波算法是处理长阶声学回声抵消问题的重要方法之一。
2.
Revised Frequency Optimal Algorithm and Its Application in Acoustic Echo Cancellation
声学回声抵消器可视为一横向自适应滤波器,声学回声抵消技术在现代信号处理中得到越来越广泛的应用。
4) echo cancellation
回声抵消
1.
In view of the problem of noise reduction and echo cancellation based on vehicle hand-free phone system,according to the environment in the car,the article uses a kind of improved serial adapted echo cancellation machine structure.
针对车载免提系统去噪声去回声的问题,根据车内具体环境,采用改进的串联自适应回声抵消器结构及改进的谱减法来去除噪声,用带有DTD结构和改进的自适应NLMS算法来实现回声的去除,并用TI公司的DSP TMS320VC5402作为处理单元,实现了车载免提系统的去噪声去回声。
2.
In this paper,the delay and echo of the VoIP system is first discussed,in IP network,and then,the basic echo cancellation algorithm is reviewed.
文中首先论述了VoIP(Voice Over IP)技术中的延迟和回声问题,并回顾了IP电话中基本的回声抵消算法,最后结合IP网络的长延迟特性给出了一种基于延迟估计的回声抵消优化算法。
3.
The computer simulations confirm that the novel modeling system can be widely applied to echo cancellation sy.
计算机仿真表明,该建模系统在回声抵消、语音增强等领域均有很好的应用前景。
5) echo canceller
回声抵消器
1.
We developed a low complexity echo canceller suitable for double talk cases on DSP TMS320DM642.
以TMS320DM642定点DSP为平台,实现了一种低复杂度并适应双端会话情况的回声抵消器。
6) acoustic echo canceller
回声抵消器
1.
Study of paralleled multi-channel acoustic echo canceller design;
并联式多级回声抵消器设计研究
2.
This paper analyses the principle of acoustic echo canceller and puts forward an efficient algorithm which is based on Block-Exact-Affine Projection Algorithm (BE-APA) .
针对回声抵消器的原理和特点,提出了一种有效的自适应滤波算法—精确块仿射投影算法,对算法进行了具体的分析,并与传统的仿射投影算法进行了比较。
3.
Acoustic Echo Canceller (AEC) is an indispensable device applied in many communication situations, such as hands-free wireless systems, Teleconferencing etc, where a loudspeaker and a microphone are placed within an enclosure.
同时使用麦克风和扬声器的通信场合，例如会议电视、免提电话等系统终端，回声抵消器是一个必不可少的设备。
补充资料：抵消
抵消
undoing
抵消(undoing)亦称“解脱作用”。一种在潜意识中操作的心理防御机制，指一个人以象征性的、反向的活动或事物来抵消个人所不能接受的和已经做了的事，希望以此解除自己的焦虑。例如，某些人做了对不起别人的事情后，热衷于宗教活动，或将靠不当手段得到的财富用来修造庙宇，借此减少罪恶感和自我谴责的内心痛苦。某些强迫症病人所表现的强迫性仪式动作，也可以看作“抵消”机制的表现形式。 (梁宝勇撰牟文博审)
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条