A good bass response in audio sets with small loudspeakers is often problematic. To compensate the small size of the vibrating surface these loudspeakers must have a large-cone displacement. A direct consequence is high nonlinear distortions. A digital motional feedback, together with a compensation technique based on nonlinear inverse dynamics, has been implemented on a DSP using an accelerometer attached to the cone.

Authors: Beerling, M. A. H.; Slump, Cornelis H.; Hermann, Otto E.
Affiliation: University of Twente, Department of Electrical Engineering, Laboratory for Network Theory, Enschede, The Netherlands
AES Convention: 96 (February 1994) Paper Number: 3820
Publication Date: February 1, 1994
Subject: Digital Signal Processing

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