大型厅堂音质设计过程中，控制回声一直为声学设计者所关注。
Echo control is one of the most important things in the building design.
声学处理和回声控制拾音和重放是多媒体处理的一个重要领域。
Acoustic processing and echo control Sound pickup and playback is an important area of multimedia processing.
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.
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).
在煤层气井排采过程中，通常用回声仪来监测环空液面变化，通过控制液面下降速度来实现稳定、连续降压。
Changes of liquid level are usually monitored with echometers and stable decompression is achieved by controlling the reducing rate of the liquid level.
据发现，某些蝙蝠能发射声波并通过接受回声来确定和控制方向，还能确定作为他们实物的昆虫的位置。
It has been found that certain bats emit squeaks and by receiving the echoes, they can locate and steer clear of obstacles, and locate flying insects on which they feed.
在煤层气井排采过程中，通常用回声仪来监测环空液面变化，通过控制液面下降速度来实现稳定、连续降压。
The echometer was used to monitor the change of the annular water level in the coal- bed methane(CBM)wells production, which could decrease pressure stably and continuously.
特定电子控制器保证：线性性能，强大的低音回声，可靠性。
The specific electronic controller guarantees: linear performance, powerful bass response, reliability.
特定电子控制器保证：线性性能，强大的低音回声，可靠性。
The specific electronic controller guarantees: linear performance, powerful bass response, reliability.
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