Reverberation is the persistence of sound in a room after the source has stopped making sound.
回声现象就是在房间中，声源停止发声后，声音仍然持续的现象。
To verify the accuracy and reliability of the system, contrast tests on reference sound power source and small motor are performed respectively in a semianechoic chamber and a common room.
为了验证噪声检测系统的精度和可靠性，在半消声室和普通房间内，分别对标准声功率源和小型电机作声功率对比测量试验。
How to computing low frequency sound transfer function from source to receiver in enclosed room has become key problem in small enclosed room auralization.
如何求解封闭空间中声源点到接收点的低频声传递函数已成为目前小尺度封闭空间可听化技术研究的关键问题。
The sound source is placed in a reverberation room, and the receiving room is a small anechoic box.
这种方法，声源放在一个混响室内，而接收室是一个小的消声箱。
The bearing experiment of sound source is done with the set of experiment device in semianechoic room, the relation between bearing precision and all kinds of error factor is discussed.
在半消声室中应用这套实验装置对声源进行了定向研究，并探讨了各种误差因素与定向精度的关系。
The bearing experiment of sound source is done with the set of experiment device in semianechoic room, the relation between bearing precision and all kinds of error factor is discussed.
在半消声室中应用这套实验装置对声源进行了定向研究，并探讨了各种误差因素与定向精度的关系。
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