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Subject Sound reduction index
Date
Mon Sep 22 2003 12:27
Author Anders Buen
(anb@bs-aksutikk.no)
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Hi!
How should we understand the sound reduction index that is calculated? Is it a correct understanding that the receiver room is infinite? That is the incident waves are diffuse (or a beam with given incidence angle) and the infinite test sample is a wall with an infinite space at the other side. No return of energy from the other side when there is no hard wall backing?
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