Research Article

Investigation of Objective Parameters of Vehicle Door Closing Transient Sound Quality Based on Complex Analytic Wavelet Method

Table 7

Correlation coefficient.

Characteristic parametersCorrelation

Loudness (sone)−0.4279
Sharpness (acum)−0.2499
Roughness (asper)0.1243
Fluctuation strength (vacil)−0.4249
A-weighted sound level (dB)0.0908
The energy ratio coefficient of component 10.1302
The energy ratio coefficient of component 20.5712
The energy ratio coefficient of component 30.1041
The energy ratio coefficient of component 4−0.1917
The energy ratio coefficient of component 5−0.3366
The energy ratio coefficient of component 6−0.8637
The energy ratio coefficient of component 7−0.8847
The energy ratio coefficient of component 8−0.9278
The energy ratio coefficient of component 9−0.5403