基于心理声学参数车门关闭声品质的研究

本文采集某国产三种不同型号的轿车前门关门声信号,并对此进行线性声压级和A记权声压级频谱分析,结合特种响度曲线,可以看出响度在评价关门声声品质的重要性。通过对关门声信号的尖锐度、时频信号分析看出,时频分析在确定关门声好坏的重要性,能很好体现其能力分布和衰减情况。

Research on Door Closing Sound Quality Based on Psychoacoustics Parameters

This paper collected front door shutting signal of three different models of domestic car,analyzed their linear sound pressure level and A power sound pressure level,combined with special loudness curve,which could be seen that loudness was importance when evaluating sound quality.Through analyzing the sharp degree and time-frequency signal,the importance of time-frequency analysis in determining door shutting good or bad is analyzed,so it can well reflect the ability distribution and attenuation.