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.
Audibility of safety acoustic signals aboard ships
L'audibilite des signaux acoustiques de securite a bord des navires
Acustica ; 13 , n 5
1963
13 pages
Article (Journal)
French
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