Abstract
The engine sound of acceleration car plays important role in the study of sound quality of car interior noise in recent years, car development analyze that intake noise contributes to car interior noise. However conventional methods in unsteady state need substantial labor-intensive,the simple methods were required. And the research on how to concern psychoacoustic estimation by the change of the engine sound of acceleration car is few. In this study, we develop instantaneous correlation analysis method basic on wavelet transform, and we do the research about connection of sound quality changes of inspiratory sound and its subjective evaluation.
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