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Loudspeaker designers often aim to reduce acoustic effects of diaphragm resonance from the frequency and power response, however even in the domain of simulation models this often requires considerable trial and error to produce a satisfactory outcome. A modelling platform to simulate loudspeakers is presented, which can automatically cycle through vast permutations guided by a carefully considered objective function until convergence is achieved, and importantly, the entire iterative effort is accommodated by the computer. Experience and knowledge must make an initial evaluation of which factors are important in achieving a desired result a priori. Once prepared, the basis of a rapid loudspeaker development tool is formed which can return a tangible resource profit when compared to successive manual efforts to optimise loudspeaker components.
Author (s): Macey, Patrick;
Griffiths, Kelvin;
Affiliation:
Harman International Automotive Division, Bridgend, UK; PACSYS Limited, Nottingham, UK
(See document for exact affiliation information.)
AES Convention: 128
Paper Number:7995
Publication Date:
2010-05-06
Session subject:
Loudspeakers and Headphones
DOI:
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Macey, Patrick; Griffiths, Kelvin; 2010; Automated Design of Loudspeaker Diaphragm Profile by Optimizing the Simulated Radiated Sound Field with Experimental Validation [PDF]; Harman International Automotive Division, Bridgend, UK; PACSYS Limited, Nottingham, UK; Paper 7995; Available from: https://aes.org/publications/elibrary-page/?id=15292
Macey, Patrick; Griffiths, Kelvin; Automated Design of Loudspeaker Diaphragm Profile by Optimizing the Simulated Radiated Sound Field with Experimental Validation [PDF]; Harman International Automotive Division, Bridgend, UK; PACSYS Limited, Nottingham, UK; Paper 7995; 2010 Available: https://aes.org/publications/elibrary-page/?id=15292
@inproceedings{Macey2010automated,
title={{Automated Design of Loudspeaker Diaphragm Profile by Optimizing the Simulated Radiated Sound Field with Experimental Validation}},
author={Macey, Patrick and Griffiths, Kelvin},
year={2010},
month={may},
booktitle={Journal of the Audio Engineering Society},
publisher={Paper 7995; AES Convention 128; May 2010},
number={7995},
organization={AES},
}
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