Study of acoustical characteristics of various signal generators (sirens, gongs, bells) with particular attention given to spectra and acoustic power generated; effects of wind, temperature and air humidity on sound propagation are investigated; nature of noises on board ship is analyzed and method is proposed for determining radiated power and optimum signal frequency to obtain satisfactory audibility.


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    Title :

    Audibility of safety acoustic signals aboard ships


    Additional title:

    L'audibilite des signaux acoustiques de securite a bord des navires


    Contributors:
    Lehmann, R. (author)

    Published in:

    Acustica ; 13 , n 5


    Publication date :

    1963


    Size :

    13 pages


    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    French


    Keywords :


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