An integrated passive and active control system for snoring noise cancellation

Publication Type:
Conference Proceeding
21st International Congress on Sound and Vibration 2014, ICSV 2014, 2014, 3 pp. 2283 - 2288
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Snoring noise usually affects sleeping of the other persons in one room. In the paper, to reduce snoring noise, the rigid baffle with the finite height and width is placed between the two persons. The bed and bedhead are modelled as the rigid semi-infinite plates separately and vertically each other. By simulation, noise reduction producing by placing the baffle is calculated. And noise cancellation change is discussed by adjusting the height and the width of the baffle. Due to the limited size of the baffle, a part of noise wave is diffracted and goes around to the off side of the baffle. To cancel the residual noise due to sound diffraction two loudspeakers as secondary sources are arranged in the barrier. Finally the total reduction of the integrated passive and active system is given.
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