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Journal Article

Acoustic Waveguide Theory

Authors: Geddes, Earl R.

Journal of the Audio Engineering Society · Volume 37 · Issue 7/8 · pp. 554–569 · July 1989

Abstract

In 1919, A. G. Webster published a paper on the theory of horns. Webster's horn equation is based on a plane-wave assumption that is incorrect and this assumption severely limits the applicability of this theory to modern directivity-controlling devices. The historical development of horn theory is described, and a new acoustic waveguide theory is introduced. The new theory is free of the plane-wave assumption and yields designs which perform significantly better than present devices.

Details

Publication
Journal of the Audio Engineering Society
Volume
37
Issue
7/8
Pages
554–569
Publication date
July 6, 1989
Affiliation
Department of Physics and Astronomy, Eastern Michigan University, and Electronics Division, Ford Motor, Company, Dearborn, MI (See document for exact affiliation information.)
Type
Journal Article