Physics-based sound synthesis and control: crushing, walking and running by crumpling sounds

Abstract

Three types of ecological events (crushing, walking and running) have been considered. Their acoustic properties have been modeled following the physics-based approach. Starting from an existing physically-based impact model, we superimposed to it the dynamic and temporal stochastic characteristics governing crushing events. The resulting model was triggered by control rules realizing typical walking and running time patterns. This bottom-up design strategy was made possible because the sound synthesis and sound control models could be directly connected each other via a common switchboard of driving and control parameters. The existence of a common interface specification for all the models follows from the application of physics-based modeling, and translates in major advantages when those models are implemented as independent, self-contained blocks and procedures connected together in real-time inside a sw architecture like pd. 1.

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