An Explorative String-Bridge-Plate Model With Tunable Parameters

Maarten Van Walstijn, Sandor Mehes

Research output: Chapter in Book/Report/Conference proceedingConference contribution

14 Citations (Scopus)
94 Downloads (Pure)


The virtual exploration of the domain of mechano-acoustically produced sound and music is a long-held aspiration of physical modelling. A physics-based algorithm developed for this purpose combined with an interface can be referred to as a virtual-acoustic instrument; its design, formulation, implementation, and control are subject to a mix of technical and aesthetic criteria, including sonic complexity, versatility, modal accuracy, and computational efficiency. This paper reports on the development of one such system, based on simulating the vibrations of a string and a plate coupled via a (nonlinear) bridge element. Attention is given to formulating and implementing the numerical algorithm such that any of its parameters can be adjusted in real-time, thus facilitating musician-friendly exploration of the parameter space and offering novel possibilities regarding gestural control. Simulation results are presented exemplifying the sonic potential of the string-bridge-plate model (including bridge rattling and buzzing), and details regarding efficiency, real-time implementation and control interface development are discussed
Original languageEnglish
Title of host publicationProceedings of the 20th International Conference on Digital Audio Effects (DAFx-17)
Place of PublicationEdinburgh
Number of pages8
ISBN (Electronic)ISSN 2413-6689
Publication statusPublished - 05 Sept 2017


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