An adaptive loudspeaker correction scheme for subwoofers is presented that is based upon a four-layer neural network algorithm. Compensation for both dominant time-invariant nonlinearities and time-varying changes in cone mass and voice-coil resistance is achieved. Control data for the correction algorithm is derived using a novel method based upon the knowledge of the current and voltage monitored at the drive unit's terminals.

Authors: Low, Stephen; Hawksford, Malcolm J.
Affiliation: University of Essex, Colchester, Essex, UK
AES Convention: 95 (October 1993) Paper Number: 3751
Publication Date: October 1, 1993 Import into BibTeX
Subject: Microphones and Loudspeakers
Permalink: https://www.aes.org/e-lib/browse.cfm?elib=6482

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