| 混响室法测定吸声系数计算误差分析 |
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| 引用本文： | 张武威,汤伟红.混响室法测定吸声系数计算误差分析[J].电声技术,2007,31(2):14-14,19. |
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| 作者姓名： | 张武威 汤伟红 |
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| 作者单位： | 三明学院,现代教育技术中心,福建,三明,365004 |
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| 摘 要： | 混响室法测定吸声系数常用赛宾公式来计算,在计算时必须分析其误差大小,使吸声系数的测定值更准确(准确的计算最好用艾润公式)。忽略吸声系数数值客观存在的计算误差,是造成混响时间计算与实测值误差的原因之一。
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| 关 键 词： | 混响室法 测定吸声系数 误差分析 |
| 文章编号： | 1002-8684（2007）02-0004-01 |
| 修稿时间： | 2006-10-25 |
Analysis on the Error of Calculating the Sound Absorption Coefficient Using the Reverberation Chamber Method |
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| ZHANG Wu-wei,TANG Wei-hong.Analysis on the Error of Calculating the Sound Absorption Coefficient Using the Reverberation Chamber Method[J].Audio Engineering,2007,31(2):14-14,19. |
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| Authors: | ZHANG Wu-wei TANG Wei-hong |
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| Affiliation: | Modem Educational Technology Center, Sanming College, Sanming Fujian 365004, China |
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| Abstract: | Sabine formula is usually used to calculate the sound absorption coefficient by the method of reverberation chamber. The error must be analyzed to make the sound absorption coefficient more accurate. In addition, Eyring formula is better for the exact calculation. One reason for the error between calculating and measuring values of the reverberation time is that the calculating error is neglected. |
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| Keywords: | reverberation chamber method sound absorption coefficient error analysis |
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