Research of Acoustic Parts in Vehicle Sound Transmission Loss Test Method
Research of Acoustic Parts in Vehicle Sound Transmission Loss Test Method
- New search for: Wang, Xiufeng
- New search for: Shi, Jie
- New search for: Wang, Xiufeng
- New search for: Shi, Jie
The sound transmission loss (STL) of the acoustic parts in the vehicle was proposed to be computed using the Sound Pressure Level measured at the several locations inside the vehicle and the transmitted Sound Intensity Level on the vehicle's exterior panel, which the acoustic treated vehicle passenger compartment is assumed as a small reverberation room. The necessary parts retrofits and acoustic treatments for Sound transmission loss tests of the acoustic parts in the vehicle were listed. The values of the appropriate number and positions of the loud speakers, microphones and sound intensity probes for Sound transmission loss of the acoustic parts in the vehicle were recommended. The in vehicle sound transmission loss tests of the acoustic parts such as the doors, carpets, wheel house etc. were achieved in the semi-anechoic room. Based on the door system, the correlation work has been done among the methods of the proposed in vehicle STL test, the reverberation--semi-anechoic chamber buck STL test and SEA analysis.
Document information
Research of Acoustic Parts in Vehicle Sound Transmission Loss Test Method
2012
8 Seiten
Conference paper
English
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