Some practical aspects of absorption measurements in reverberation rooms

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AuthorSearch for:
TypeArticle
Journal titleJournal of the Acoustical Society of America
ISSN0001-4966
Volume74
Issue5
Pages14221432; # of pages: 11
Subjectreverberation chambers; sound absorption; experimental procedures; standard tests; computer applications; computer controlled measurements; sound absorption; diffuser area effects; microphone position effects; rotating diffusers effects; Acoustics; chambre reverberante; absorption acoustique; methode experimentale; essai normalise; application de l' ordinateur
AbstractThis paper discusses the results of a series of computer controlled measurements of sound absorption coefficients in a single reverberation room. The effects of factors such as diffuser area, microphone position, and rotating diffusers on the measurements are discussed. Spatial variations of decay rate, curvature, and measured absorption coefficients determine the precision of the measurements. The practical procedures necessary to achieve satisfactory precision are compared with those allowed in standard test methods.
Publication date
LanguageEnglish
AffiliationNRC Institute for Research in Construction; National Research Council Canada
Peer reviewedYes
IdentifierDBR-P-1158
NRC number22921
4379
NPARC number20358710
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Record identifiera637d209-dab6-463d-85bd-746cef96bd2d
Record created2012-07-20
Record modified2016-05-09
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