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About an Application of the Fresnel Integrals for Calculating the Sound Reduction by Absorbing Screens

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Formulas for calculating the sound reduction by absorbing screens with a rectangular finite and infinite opening area have been made on the basis of the approximate Fresnel-Kirchhoff diffraction theory were received.


Auf der Grundlage der approximativen Beugungs-Theorie von Fresnel-Kirchhoff werden Formeln für die Berechnung der Schallminderung durch schallschluckende Schirme mit rechteckiger begrenzter und unbegrenzter freier Oberfläche erhalten.


A partir des approximations de la théorie de la diffraction de Fresnel-Kirchhoff, on établit des formules permettant de calculer la réduction du bruit par des cloisons absorbantes percées d'euvertures rectangulaires limitées ou illimitées.
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Document Type: Research Article

Publication date: February 1, 1980

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  • 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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