Spatially extended sound equalization in rectangular rooms

Arturo Orozco Santillan

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Abstract

The results of a theoretical study on global sound equalization in rectangular rooms at low frequencies are presented. The zone where sound equalization can be obtained is a continuous three-dimensional region that occupies almost the complete volume of the room. It is proved that the equalization of broadband signals can be achieved by the simulation of a traveling plane wave using FIR filters. The optimal solution has been calculated following the traditional least-squares approximation, where a modeling delay has been applied to minimize reverberation. An advantage of the method is that the sound field can be estimated with sensors placed in the limits of the equalization zone. As a consequence, a free space for the listeners can be obtained. ©2001 Acoustical Society of America.
Original languageEnglish
JournalAcoustical Society of America. Journal
Volume110
Issue number4
Pages (from-to)1989-1997
ISSN0001-4966
DOIs
Publication statusPublished - 2001

Bibliographical note

Copyright (2001) Acoustical Society of America. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the Acoustical Society of America.

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