| 降低车内噪声的声学包优化研究 |
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| 引用本文： | 翟颖.降低车内噪声的声学包优化研究[J].汽车实用技术,2014(6):21-23. |
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| 作者姓名： | 翟颖 |
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| 作者单位： | 镇江技师学院,江苏镇江212000 |
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| 摘 要： | 针对某车车内噪声偏大的问题,对整车声学包进行了材料与声学性能方面的优化,并对优化后的零部件声学性能进行了对比测试,同时通过对整车车内声压级和语言清晰度进行了对比测试,测试结果表明,声压级降低了2dB(A)左右,语言清晰度提升了大约10%,达到了车内降噪的目的,提升了客户满意度。
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| 关 键 词： | 车内噪声 声压级 语言清晰度 吸音系数 隔音量 |
The study of sound package to improve the vehicle interior noise |
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| Authors: | Zhai Ying |
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| Institution: | Zhai Ying (ZhenJiang Technician College, JiangSu ZhenJiang 212000) |
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| Abstract: | Optimized the vehicle sound package and acoustic material for the vehicle interior noise issue.And validated the solution compared with the baseline.The sound pressure level was reduced by 2 dB（A） and the articulation index was improved about 10%,achieved the quiet vehicle aim,improved the customer satisfaction. |
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| Keywords: | vehicle interior sound pressure level articulation index absorption coefficient Transmission Loss |
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