分流扬声器用于封闭空间降噪的布放研究
徐陈淳, 王有藩, 陶建成

A study of the placement of shunt loudspeakers for noise reduction in enclosed spaces
Chenchun Xu, Youfan Wang, Jiancheng Tao
表4 刚性边界时本征频率处分流扬声器不同布放下实测平均声压级和降噪量 (dB)
Table 4 Measured average SPL and noise reduction with different SL arrangements at the eigenfrequencies with rigid boundaries
分流扬声器布放方式方式(a)方式(b)方式(c)方式(d)方式(e)方式(f)
147 HzSPLs87.783.789.987.589.6
SPLr87.474.484.177.080.777.7
ΔSPLr13.13.310.56.79.7
171 HzSPLs86.282.685.988.287.9
SPLr85.874.781.780.577.678.7
ΔSPLr11.24.15.38.27.2