Abstract：L-curve-filtering method for sound field reproduction in a general room with loudspeaker array is studied. First, the system model used for the sound field reproduction in a room is established. Then, a regularized least-square and L-curve method are used to obtain the filtering property of the drive signals of speakers, which can reproduce the sound pressure of multi control points quantitatively. Finally, L-curve-filter is designed to obtain the time domain signals of loudspeaker array. The experiment result to reproduce a vehicle noise shows that L-curve-filtering method can balance the power of drive signals and reproduction error, it could realize the sound field reproduction in a general room.
彭博,郑四发,廖祥凝,连小珉. 非自由场内声场定量重现的L曲线滤波方法[J]. 振动与冲击, 2015, 34(15): 55-59.
PENG Bo，ZHENG Sifa,LIAO Xiangning,LIAN Xiaomin. L-curve-filtering method for sound field reproduction in a general room. JOURNAL OF VIBRATION AND SHOCK, 2015, 34(15): 55-59.
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