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This paper describes a model-based corrector for distortions due to propagation of acoustic waveforms in air in a cylindrical waveguide at high sound pressure levels. The nonlinear distortions are modeled using the Burgers' wave propagation model, accounting for dissipation and boundary layer dispersion effects. The corrector was designed to mitigate these distortions in signals obtained from predefined...
This paper presents a novel equalizer for nonlinear distortions in direct-radiator loudspeakers in a closed cabinet by constructing an exact inverse of an electro-mechanical model of the loudspeaker. This exact inverse compensates for distortions introduced by excursion and current-dependent nonlin-earities. The equalizer compensates for the nonlinearities in the force factor, voice coil inductance,...
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