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Sound quality estimation for nonstationary vehicle noises based on discrete wavelet transform

Journal of sound and vibration, v.324 no.3/5, 2009년, pp.1124 - 1140  

Wang, Y.S. (College of Automotive Engineering, Shanghai University of Engineering Science, Shanghai 201620, China)

Abstract AI-Helper 아이콘AI-Helper

A new method based on the discrete wavelet transform (DWT) for sound quality estimation (SQE) of nonstationary vehicle noises is presented in this paper. Sample interior and exterior vehicle noises are first measured and denoised using the wavelet threshold method to initially lower the noise level ...

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