It has long been recognised that simple physical measures, such as A-weighted sound level, provide only a relatively poor correlation with subjective response to vehicle interior noise. In addition, simple measures do not provide sufficient information about the character of the sound to determine the most effective means of control. On the other hand, the human listener generally concentrates on an evaluation of the separate sources contributing to the total sound, and might well find certain low level components much more annoying other components which dominate the physical spectrum. This propensity of the human listener has been recognised in the acoustic feature approach to sound quality assessment, where the main emphasis is on assessing the relative significance of individual components or features within the overall sound rather than on the overall sound per se. This paper describes an application of the acoustic feature approach to the assessment of helicopter inetrior sound quality, where the Weighted Senastion Level Function (WSLF) is shown to give much higher correlations with subjective response than conventional measures.


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    Title :

    Acoustic features in vehicle interior noise quality


    Additional title:

    Akustische Merkmale der Klangqualität im Fahrzeuginnenraum


    Contributors:


    Publication date :

    1996


    Size :

    6 Seiten, 1 Bild, 1 Tabelle, 2 Quellen



    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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