Modelling of Noise Reduction Using Reverberation Fields of Echoic Rooms

摘要

The paper discusses a probabilistic model of reverberation fields in echoing production rooms. This model allows to conduct simultaneous complex measurements of all relevant equipment parameters and to perform corresponding optimization of them. This paper provides the experience of carrying out such work in echoing production rooms/stands and boxes in which it is not difficult to increase the quality and volume of the reverberation field by means of lining of the enclosing surfaces of the room using materials with high sound-reflecting capability. This significantly improves the quality of acoustic measurements, and the equipment intended for measuring the equipment performance characteristics in such rooms is usually already mounted. As a result, since the retrofitting of factory-built stands for acoustic measurements is inexpensive, this method (with acceptable accuracy of acoustic results) may be of interest, for example, for small enterprises engaged in equipment refinement. At the same time, the method, besides cheapness since it is not necessary to develop special reverberation or echo-free chambers, also has good fire safety.