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Summary: THE FOURTH INTERNATIONAL WORKSHOP UN MULTIDIMENSIONAL SYSTEMS - NDS 2005
EFFICIENT COMPUTATlONOF NONLINEAR FILTER NETWORKS WITH DELAY-FREE
LOOPS AND APPLICATIONSTO PHYSICALLY-BASED SOUND MODELS
Federico Avanzini
Dept. of Information Engin.
University of Padova
Via Gradenigo 6fA,
3513I - Padova, Italy
avanzini@dei.unipd.it
ABSTRACT
The paper presents a general procedure for the compu-
tation of filter networks made of linear filtersand non-
linear non-algebraic (dynamic) elements. The method
is developed in the Kirchhoff domain and applies to
cases where the network contains an arbitrary num-
ber of delay-freepaths that involve nonlinear elements.
Compared to existing techniques the method does not
require a rearrangement of the network structure, in-
stead it subdivides thenetwork into computational sub-
structures specified by appropriate matrices related to
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