This paper describes a laboratory study of the influence of sound quality on the annoyance caused by road traffic noise. To measure the annoyance caused by road traffic noise, two kinds of subjective evaluation tests were carried out under the exposure of artificially modified road traffic noise which was originally recorded in an urban area. One is a subjective evaluation test using a categorical scale of five steps for annoyance, and the other is a listening interference test for matching the loudness of replayed classic music under the existence of road traffice noise of various loudness. As a result, the authors found that (1) Contribution of high frequency contents of road traffic noise on annoyance was significant. (2) When noise exposure level was 70 db(A) in LAeq, the contribution of high-frequency noise to the listening interference was equivalent to 3 db(A) under the exposure of various modified road traffic noise in their high-frequency contents. (3) Multiple regression models of annoyance were constructed by roughness and sharpness as well as LAeq as their explanatory variables.


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    Title :

    The impact of sound quality on annoyance caused by road traffic noise: an influence of frequency spectra on annoyance


    Additional title:

    Einfluss der Sound-Qualität auf die Belästigung durch Straßenverkehrsgeräusche


    Contributors:

    Published in:

    JSAE Review ; 21 , 2 ; 225-230


    Publication date :

    2000


    Size :

    6 Seiten, 9 Bilder, 1 Tabelle, 3 Quellen




    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English





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