| 厅堂混响时间的声场控制方法及实验研究 |
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| 引用本文： | 梁华. 厅堂混响时间的声场控制方法及实验研究[J]. 应用声学, 1997, 16(1): 1-7 |
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| 作者姓名： | 梁华 |
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| 作者单位： | 同济大学声学研究所!上海，200092 |
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| 摘 要： | 本文首先论述厅堂声场控制的各种方法，然后利用混响反馈法和卷积法分别进行了实验研究，其中着重对卷积法的实验系统进行阐述，指出卷积法具有混响时间调节方便、控制范围大等优点，混响时间可提高三倍以上．
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| 关 键 词： | 声场控制 混响时间 有源控制 |
Active sound field control of reverberation time and its experiment |
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| Liang Hua. Active sound field control of reverberation time and its experiment[J]. Applied Acoustics(China), 1997, 16(1): 1-7 |
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| Authors: | Liang Hua |
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| Affiliation: | Institute of Acoustics, Tongji University, Shanghai 200092 |
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| Abstract: | In the paper, the methods of active sound field control in a hall are described and the reverberation feedback method and the convolutlon method are expermentally in- vestigated. It is pointed out that the convolution method has the advantage of easy adjust-ment of reverberation time and the reverberation time can be raised three times or more. |
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| Keywords: | Sound field control Reverberation time Active control |
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