Applicability of nonmetric multidimensional scaling to noise quality research  

作　　者：JIAO Fenglei CHEN Yaobin JIANG Jian GU Fengshou Andrew BALL MAO Dongxing 

机构地区：[1]Institute of Acoustics, Chinese Academy of Sciences Beijing 100080 [2]Manchester School of Engineering, University of Manchester Manchester, M139PL UK [3]Institute of Acoustics, Tongji University Shanghai 200092

出　　处：《Chinese Journal of Acoustics》2006年第3期277-288,共12页声学学报（英文版）

基　　金：This work was supported by the National Natural Science Foundation of China (10374099, 10374071).

摘　　要：With loudness-equalized car interior noise as sound stimuli, the work focused on apphcabihty of nonmetric multidimensional scaling （NMDS） to sound quality research. It is presented that NMDS is an effective tool for subjective assessment research of sound quality, when listeners are clustered through correlation between hsteners. With this key clustering process, the perceptual structure of car interior noise with strong consistency is revealed. The results shown that： for car interior noise, ‘preference＇ can be regarded as a main sub-dimension in ‘similarity＇ space and listeners could be divided into two groups; For both groups of listeners, the perceptual ‘preference＇ can be characterized as one-dimensional descriptor, with one group has a positive relation to ‘low-frequency＇, while another group has a negative relation to ‘low- frequency＇.With loudness-equalized car interior noise as sound stimuli, the work focused on apphcabihty of nonmetric multidimensional scaling （NMDS） to sound quality research. It is presented that NMDS is an effective tool for subjective assessment research of sound quality, when listeners are clustered through correlation between hsteners. With this key clustering process, the perceptual structure of car interior noise with strong consistency is revealed. The results shown that： for car interior noise, ‘preference＇ can be regarded as a main sub-dimension in ‘similarity＇ space and listeners could be divided into two groups; For both groups of listeners, the perceptual ‘preference＇ can be characterized as one-dimensional descriptor, with one group has a positive relation to ‘low-frequency＇, while another group has a negative relation to ‘low- frequency＇.

分 类 号：O422.8[理学—声学] TB53[理学—物理]