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L'audibilité des signaux acoustiques de sécurité à bord des navires

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The problem of the audibility of safety acoustic signals aboard-ship is still one to be resolved satisfactorily even today, for it is bound-up at the same time with the problems of sound propagation and that of the audibility of sound in the presence of noise.

In this work, the author has first studied in detail the acoustical characteristics of various types of sources which are actually used (sirens, gongs, bells), investigating particularly the spectra and the acoustic powers generated. He looks then at the laws of sound propagation, pointing out the effect of the principal atmospheric factors (wind, temperature, humidity). Following this, after having studied the nature of the noises on board-ship, he proposes a method for determining the radiated power and the optimum frequency of sound emission in order to obtain a satisfactory audibility.
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Document Type: Research Article

Publication date: January 1, 1963

More about this publication?
  • Acta Acustica united with Acustica, published together with the European Acoustics Association (EAA), is an international, peer-reviewed journal on acoustics. It publishes original articles on all subjects in the field of acoustics, such as general linear acoustics, nonlinear acoustics, macrosonics, flow acoustics, atmospheric sound, underwater sound, ultrasonics, physical acoustics, structural acoustics, noise control, active control, environmental noise, building acoustics, room acoustics, acoustic materials, acoustic signal processing, computational and numerical acoustics, hearing, audiology and psychoacoustics, speech, musical acoustics, electroacoustics, auditory quality of systems. It reports on original scientific research in acoustics and on engineering applications. The journal considers scientific papers, technical and applied papers, book reviews, short communications, doctoral thesis abstracts, etc. In irregular intervals also special issues and review articles are published.
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