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2012 (Vol. 4, Issue: 22)
Article Information:

Correlation Study on the Subjective and Objective Evaluation Indices of Sound Quality Based on Vehicle Noises

Yansong Wang, Gongqi Shen, Yuanming Gong and Weiwei Wu
Corresponding Author:  Yansong Wang 

Key words:  Correlation coefficient, objective evaluation , sound quality, subjective evaluation, vehicle noise, ,
Vol. 4 , (22): 4851-4855
Submitted Accepted Published
May 13, 2012 May 29, 2012 November 15, 2012
Abstract:

In this study, the automotive interior noises under various running conditions were acquired according to the standard GB/T 18697. Both the objective and subjective evaluations for sound quality of vehicle interior noises were conducted and the results were saved and analyzed. The results indicate that the psychoacoustic parameters, including loudness, sharpness and roughness obtained from the objective evaluations have a significant correlation with the annoyance acquired through subjective evaluation, but have little correlation with each other. The conclusions can be drawn that the loudness, sharpness, roughness may be regarded as independent indices for Sound Quality Evaluation (SQE) and the psychoacoustic parameters is more accurate to express human sense than the traditional SPL.
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  Cite this Reference:
Yansong Wang, Gongqi Shen, Yuanming Gong and Weiwei Wu, 2012. Correlation Study on the Subjective and Objective Evaluation Indices of Sound Quality Based on Vehicle Noises.  Research Journal of Applied Sciences, Engineering and Technology, 4(22): 4851-4855.
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ISSN (Online):  2040-7467
ISSN (Print):   2040-7459
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