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Analysis of Objective Sound Quality Features for Vacuum Cleaner Noise  

Lee, Sang-Wook (연세대학교 전기전자 공학과)
Cho, Youn (고등기술연구원 전략연구센터)
Park, Jong-Geun (연세대학교 전기전자 공학과)
Hwang, Dae-Sun (고등기술연구원 전략연구센터)
Song, Chi-Mun (고등기술연구원 전략연구센터)
Lee, Chul-Hee (연세대학교 전기전자 공학과)
Publication Information
The Journal of the Acoustical Society of Korea / v.29, no.4, 2010 , pp. 258-264 More about this Journal
Abstract
In this paper, we propose an objective quality feature which is based on the human auditory system to measure vacuum cleaner noise. It is observed that some frequency bands are more sensitive to the human auditory system. Therefore, we divided the audible frequency range of vacuum cleaner noise into a number of frequency bands and the average energy of these bands was calculated. Among a number of average energies, an average energy of a frequency band was selected as the proposed feature. In order to test the performance of the proposed feature, fourteen vacuum cleaners were chosen and the noise was recorded in an anechoic-chamber. Then we performed subjective tests to obtain subjective scores of the noise data using the PCM (paired comparison method) and ACR (absolute category rating) subjective methods. The proposed objective quality feature shows high correlation with the subjective scores.
Keywords
Noise quality; Vacuum cleaner noise; Objective quality metric; Subjective quality method;
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