The bearing experiment of sound source is done with the set of experiment device in semianechoicroom, 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。
2
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.