Evaluation Parameters Research of Vehicle Sound Quality

Sound quality has becomes a new developing research area of noise control of vehicle,and psychoacoustics provides a theoretical basis for the realization of the subjective evaluation.This paper summarizes the parameters of subjective evaluation currently used in automobile noise,including psychoacoustic parameters,such as loudness,sharpness,modulation and tonality which are employed mostly.Other three commonly used parameters and two comprehensive evaluation indexes are also introduced briefly,and a more precise definition and explanation corresponding to each of them are given.