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Modeling and Compensation of Nonlinear Distortion in Horn Loudspeakers

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The horn loudspeaker suffers from producing high distortion. Based on a physical model, an equivalent lumped-parameter circuit is determined for a horn-loaded compression driver. From the nonlinear differential equation of this circuit, a compensation algorithm is implemented on a digital signal processor for reducing nonlinear-distortion caused by the behavior of air. Test results are presented.

JAES Volume 43 Issue 7/8 pp. 592-598; July 1995
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AES - Audio Engineering Society