A Comparison of Psychoacoustical Evaluation Methods for Vehicle Engine Noises Based on Wavelet Shrinkage Denoising Technique

Yan Song Wang; Yue Yan; Zhi Qiu; Jin Zhang

doi:10.4028/www.scientific.net/AMR.219-220.93

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 219-220A Comparison of Psychoacoustical Evaluation...

A Comparison of Psychoacoustical Evaluation Methods for Vehicle Engine Noises Based on Wavelet Shrinkage Denoising Technique

Abstract:

Based on the measured and denoised vehicle engine noises, the sound quality evaluation (SQE) techniques in common use for A-weighting sound pressure level (SPL) and psychoacoustical parameters, such as loudness, sharpness and roughness, are performed and compared in this paper. The wavelet threshold shrinkage method is adopted for sound signal denoising. The comparisons suggest that the A-weighting SPL is not sufficient and can only be used as a reference in vehicle SQE, the psychoacoustical parameters can provide a complete description and more exactly reflect to the subjective feeling of vehicle noises, should be considered in vehicle designs.

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Periodical:

Advanced Materials Research (Volumes 219-220)

Pages:

93-97

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.219-220.93

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Online since:

March 2011

Authors:

Yan Song Wang, Yue Yan, Zhi Qiu, Jin Zhang

Keywords:

Engine Noise, Psychoacoustical Evaluation, Sound Quality, Wavelet Transform (WT)

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