Applications combining digital waveguides, modal synthesis, and finite-difference time-domain modeling will be presented in the context of efficient simulation of string instruments.
The first part of this talk will introduce a technique for modeling bridge admittances and body radiativity profiles from frequency response measurements on guitars and bowed string instruments. The formulation, relying on modal analysis, is then used to construct reflectance and radiativity models enabling efficient simulation of string plucks via digital waveguides.
The second half of the presentation will be devoted to a bow-string interaction model that combines digital waveguides and finite-differences. The bow-string interaction model, which features finite-width thermal friction and hair dynamics, is incorporated into the string synthesis framework to render sound from bowing control signals.