Various types of acoustic treatment have been used in the new talks studios of the Danish Broadcasting Corporation. For verification, reverberation times around 0.1-0.2s were measured in 1/3-octave bands from 80Hz to 8kHz using a new, time reversed analysis technique. It is demonstrated that the ringing of the filters would have introduced errors at low frequencies, if traditional forward analysis had been used.

Authors: Rasmussen, Birgit; Rindel, Jens Holger; Henriksen, Helge
Affiliations: Brtiel & Kjaer, Naerum, Denmark ; Technical University of Denmark, Lyngby, Denmark ; The Danish Broadcasting Corporation, Soborg, Denmark(See document for exact affiliation information.)
AES Convention: 87 (October 1989) Paper Number: 2840
Publication Date: October 1, 1989
Subject: Architectural Acoustics

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