2) The echoes died [faded] away.
回声消失了。
3) disappear of echo
回波消失
4) echo cancellation
回声消除
1.
A fast converging algorithm for network echo cancellation and its DSP implementation;
一种快速回声消除算法及DSP实现
2.
Implementation of echo cancellation in application of vehicle multimedia navigation terminal
车载多媒体智能导航终端回声消除功能
3.
An echo cancellation algorithm for improving steady state error and convergence speed
一种提高稳态误差及收敛速度的回声消除算法
5) 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。
6) echo canceller
回声消除
1.
Variable step-size LMS adaptive filtering for echo canceller;
基于LMS算法的自适应滤波及在回声消除中的应用
2.
In one local speech communication system design based on double DSP combined by TMS320C5410 and 5416, to assure the reliability and the real time performance of the speech and data communication, we arrange 5416 to collect and process the speech data, and realize a series of speech algorithms including speech detector, speech coder and decoder, echo canceller, adaptive noise canceller on 5416.
在一个基于TMS32 0C5 4 10和 5 4 16的双DSP局域话音通信系统的设计中 ,为保证话音与数据通信的可靠性与实时性 ,由 5 4 16负责话音的采集与处理 ,实现了包括语音检测、语音编解码、回声消除、自适应降噪等语音处理算法。
3.
An adaptive echo canceller will be introduced in this article to meet the requirement of IP telephone system.
介绍了一种用于 IP电话中的自适应回声消除器 ,采用归一化最小二乘 (NL MS)自适应滤波器实现 ,包括语音模式检测器和粗略时延估计器。
补充资料：边界回声
边界回声
boundary echo
器官、组织或病灶的边界处回声。可观察被膜(包膜）有无、厚薄、钙化等，有无粘连，边缘是否光滑、规则或清晰等。观察边界回声对疾病诊断具有重要价值，尤其对鉴别良性和恶性肿瘤作用更显著。
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