Waveguides in GenExpr

by Patrik Lechner, 2018-07-02
01 Nonlinear Karplus-Strong

Digital waveguides are a class of algorithms that model how acoustic waves travel through a medium. They thus belong to the more simple proponents of physical modeling algorithms. In general, they are implemented using two opposing delay lines, to indicate how waves are reflected at boundaries and travel back and forth through the medium, an excitation signal bringing energy into the system, a pickup withdrawing energy, and a lowpass filter representing friction loss at the boundaries. We will look at a way to model a string termination as an imperfect spring.

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01 Nonlinear Karplus-Strong