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Inversion of Loudspeaker Dynamics by
Polynomial LQ Feedforward Control.
Mikael Sternad
,
Mathias Johansson
and
Jonas Rutström
IFAC Symposium on Robust Control
Design/ 2nd Europoly Workshop,
Prague, Czech Republic, June 21-23, 2000.
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Abstract:
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Loudspeakers always introduce linear and nonlinear
distortions in a stereo system. It is however possible
to reduce these distortions by digitally
filtering the signal to pre-invert the loudspeakers.
We here discuss one of
several possible solutions to this problem, namely
the use of a linear inverse obtained from a measured ARX
loudspeaker model.
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Related publications:
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Master Thesis
by M. Johansson and J. Rutström.
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Adaptive Signal Processing
Project Course.
Copyright of the published version has been transferred to
the International Federation of Automatic Control.
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