The transmission of sound through automotive glazing materials was investigated. The sound transmission loss in one-third octave bands of several different automobile windows was measured at a testing laboratory. The materials tested included monolithic (single-layer) glass, monolithic polycarbonate, and a double glazing with an air gap in between the two panes. The experimental data are given in the paper. Subsequently, a computer spreadsheet program was written and developed to predict the sound transmission loss of single-layer glazing materials, using empirical equations found in the literature. The predicted sound transmission loss values showed good agreement with the experimental values. The sound transmission loss spreadsheet is a useful, easy-to-use tool to predict the acoustic performance of automobile window glazing materials.


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    Title :

    Measurement and prediction of the sound transmission loss of automotive glazing materials


    Additional title:

    Messungen und Vorhersagen der Lärmübertragungsverluste durch die Kraftfahrzeugverglasung


    Contributors:

    Published in:

    Publication date :

    1995


    Size :

    5 Seiten, 7 Bilder, 10 Quellen



    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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