Abstract
In this paper, a practical method to design a noise reduction controller is proposed. In this method frequency domain of interest is divided into subbands taking frequency response of noise into account. And on each subband, it is proposed that the controller is tuned based on partial model matching on frequency domain. The proposed method is practical since it requires only input-output data for the tuning process instead of identified mathematical model of the plant. In order to show validity of the method, it was applied to an actual room with a stereo audio system. The experimental result shows that the proposed controller designed succeeded 45% attenuation of multiple peak noise.
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