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MEASUREMENTS OF THE ABSORPTION BY AUDITORIUM SEATING—A MODEL STUDY

✍ Scribed by M. BARRON; S. COLEMAN

Publisher
Elsevier Science
Year
2001
Tongue
English
Weight
188 KB
Volume
239
Category
Article
ISSN
0022-460X

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✦ Synopsis

One of several problems with seat absorption is that only small numbers of seats can be tested in standard reverberation chambers. One method proposed for reverberation chamber measurements involves extrapolation when the absorption coe$cient results are applied to actual auditoria. Model seat measurements in an e!ectively large model reverberation chamber have allowed the validity of this extrapolation to be checked. The alternative barrier method for reverberation chamber measurements was also tested and the two methods were compared. The e!ect on the absorption of row}row spacing as well as absorption by small numbers of seating rows was also investigated with model seats.

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