@inproceedings{1405805cb03f48acb94ae144b26cdba3,
title = "Digital compensation of nonlinear distortion in loudspeakers",
abstract = "The authors present a method to compensate for loudspeaker distortion in real time by nonlinear digital signal processing implemented on a digital signal processor (i.e., the TMS320C30 DSP). Based on the literature, an electrical equivalent circuit of an electrodynamic loudspeaker is developed, resulting in a linear lumped parameter model. The parameters in this model are matched with the measurements of a selected test loudspeaker. The linear model is extended to include nonlinear effects by developing the parameters as a function of the voice coil excursion of the loudspeaker in a Taylor series expansion. The resulting nonlinear system is described by a Volterra series. On the basis of this description, an inverse circuit is designed for the second-order nonlinear distortion. This circuit was implemented in real time on the DSP, using a high-level design and code generation system. Simulations and experiments are presented",
author = "{de Vries}, Ruurd and Berkhoff, {Arthur P.} and Slump, {Cornelis H.} and Herrmann, {Otto E.}",
year = "2003",
month = apr,
doi = "10.1109/ICASSP.1993.319081",
language = "English",
isbn = "0-7803-0946-4",
volume = "1",
series = "Proceedings IEEE International Conference on Acoustics, Speech, and Signal Processing",
publisher = "IEEE",
pages = "165--168",
booktitle = "ICASSP-93",
address = "United States",
note = "1993 IEEE International Conference on Acoustics, Speech and Signal Processing, ICASSP 1993, ICASSP ; Conference date: 27-04-1993 Through 30-04-1993",
}