Neuer Schallraum der Technischen Hochschule Karlsruhe
The design and construction of an anechoic chamber are described. By means of a combination of wedge-shaped absorbing material (glass wool) and damped Helmholtz resonators it is possible to keep the absorption factor above 99% for frequencies down to 160 c/s with a thickness of the absorbing layer of only 61 cm. Stationary wave tube measurements of the reflexion factor of the absorbing layer are compared with measurements in the completed anechoic chamber.
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Document Type: Research Article
Publication date: January 1, 1952
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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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