Loudspeaker simulation software based on the finite-element and boundary-element methods is described. It is demonstrated that the use of an axisymmetric, uncoupled model allows for a sufficiently accurate prediction of the acoustic field arising from midrange loudspeakers. An optimization system that accepts as input a required form of the on-axis sound pressure level response and outputs the corresponding profile is described. The system is validated by constructing a prototype device optimized to a mechanical filter design criterion, and the potential of the system is demonstrated by optimizing to a smoothness design criterion.

Author: Geaves, Gary P.
Affiliation: Information Technology Research Institute, University of Brighton, Brighton, UK
JAES Volume 44 Issue 3 pp. 107-118; March 1996
Publication Date: March 1, 1996

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