In-situ sound insulation measurement when a room is very absorptive

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Proceedings titleCanadian Acoustics
ConferenceProceedings Issue of Canadian Acoustics: 01 October 2001, Toronto, Ontario
IssueSeptember 3
Pages6061; # of pages: 2
SubjectASTM E336, transmission loss, sound insulation; Sound transmission & insulation
AbstractAlthough noise transmission loss test methods (ASTM E90, E336, ISO 140) assume that the energy density of the reverberant field will dominate, in-situ measurements may involve significant absorption in rooms that may cause a marked deviation from these idealized conditions. This paper reports findings of investigations made to assess the sensitivity of the ASTM E336 to absorption in either the source or receiving room, and its effect on the number of microphones needed to sample the resulting field.
Publication date
AffiliationNRC Institute for Research in Construction; National Research Council Canada
Peer reviewedYes
NRC number45020
NPARC number20378427
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Record identifier478212dc-8a61-49f7-9569-3e5e9fe9c0d9
Record created2012-07-24
Record modified2016-05-09
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