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During the loudspeaker manufacturing process, particles may become trapped inside the loudspeaker, resulting in a distinctive defect that is easily heard but difficult to measure. To give a clearer view of the problem, Time-Frequency maps are shown for some defective loudspeakers. Based on this analysis, a reliable testing procedure using a swept-sine stimulus, high-pass filter, and RMS-envelope analysis is presented. Further possible enhancements and applications of the method are listed.
Author (s): Temme, Steve;
Brunet, Pascal;
Chakroff, Evan;
Affiliation:
Listen, Inc. Boston, MA ; Tufts University, Medford, MA
(See document for exact affiliation information.)
AES Convention: 115
Paper Number:5883
Publication Date:
2003-10-06
Session subject:
Loudspeakers
DOI:
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Temme, Steve; Brunet, Pascal; Chakroff, Evan; 2003; Loose Particle Detection in Loudspeakers [PDF]; Listen, Inc. Boston, MA ; Tufts University, Medford, MA ; Paper 5883; Available from: https://aes.org/publications/elibrary-page/?id=12407
Temme, Steve; Brunet, Pascal; Chakroff, Evan; Loose Particle Detection in Loudspeakers [PDF]; Listen, Inc. Boston, MA ; Tufts University, Medford, MA ; Paper 5883; 2003 Available: https://aes.org/publications/elibrary-page/?id=12407
@inproceedings{Temme2003loose,
title={{Loose Particle Detection in Loudspeakers}},
author={Temme, Steve and Brunet, Pascal and Chakroff, Evan},
year={2003},
month={oct},
booktitle={Journal of the Audio Engineering Society},
publisher={Paper 5883; AES Convention 115; October 2003},
number={5883},
organization={AES},
}
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