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http://dx.doi.org/10.7776/ASK.2009.28.2.096

Correlation Between the Headphone's Acoustical Characteristics and Subjective Preferences  

Lee, Ki-Seung (건국대학교 정보통신대학 전자공학부)
Lee, Seok-Pil (전자부품연구원 방송통신융합 연구센터)
Publication Information
The Journal of the Acoustical Society of Korea / v.28, no.2, 2009 , pp. 96-106 More about this Journal
Abstract
In this paper, correlation between the headphone's acoustical characteristics and the subjective preferences is analyzed, and a possibility of predicting the subjective preferences using the acoustical characteristics is investigated, The headphone's acoustical characteristics include the total harmonic distortions, the variation of the frequency response which were measured by separate channel and the inter-aural correlation coefficients, Those characteristics were measured in a noise-free anechoic chamber, using a head and torso simulator, The subjective preferences were scored in terms of loudness, clearness, spaciousness, fullness and overall impression, In the subjective listening test, 12 subjects were participated who have plentiful listening experiences, The programs include 5 kinds of musics; korean popular song, pop song, light music, male-voice and classic, The 8 models of the headphones were employed, including 4 closed-type circumaural headphones, 2 open-type supraaural headphones and 2 intra-concha headphones, A significant test was carred on the results from the subjective test, using a two-way ANOVA test, The correlation coefficients between the acoustical parameters and the subjective preferences were computed, Experimental results showed that the variation of the magnitude of frequency response measured from a right channel revealed higher correlation with the subjective preferences. Whereas the inter-aural correlation coefficients have very low correlation coefficients.
Keywords
Headphone; Subjective preference; Acoustical Characteristics;
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