Modeling principles for time-domain simulations of wind instruments in playing situations.
The development of an evolutive free software which simulates the physical behavior of wind instruments in playing situations can be based on the following modular postulates. In an object-oriented context, the virtual instrument is designed as a set of “anticipative” and lumped elements. After connection rules are laid down, new elements are progressively added and each element is separately improved. One example illustrating this approach for single reed instruments includes modeling of air columns by usual waveguide or two-port, considerations about the reed, and a key-pad model. The current state-of-the-art research in acoustics has a great potential for future extensions.
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Article dans une revue avec comité de lectureDUCASSE, Eric (Acoustical Society of America, 2005)Bensa et al. [J. A Coust. Soc. Am. 114(2) 1095-1107 (2003), Section IV] recently proposed a waveguide model for the transverse displacement of a stiff piano string. The study described here is an attempt to cast a complementary ...
Article dans une revue avec comité de lectureDUCASSE, Eric (Acoustical Society of America, 2002)For more than a decade, the digital waveguide model for musical instruments has been improved through the simulation of cylindrical and conical bores. But several difficulties remain, such as instabilities due to growing ...
Time-domain computation of the response of composite layered anisotropic plates to a localized source Article dans une revue avec comité de lectureDUCASSE, Eric; DESCHAMPS, Marc (Elsevier, 2014)This paper describes how a modal approach in the time-domain can be suitable for calculating the elastodynamic field in a layered plate. This elastodynamic field is generated by impulsive sources located in a small region ...
A nonstandard wave decomposition to ensure the convergence of Debye series for modeling wave propagation in an immersed anisotropic elastic plate Article dans une revue avec comité de lectureDUCASSE, Eric; DESCHAMPS, Marc (Elsevier, 2012)When ultrasonic guided waves in an immersed plate are expressed as Debye series, they are considered as the result of successive reflections from the plate walls. Against all expectations, the Debye series can diverge for ...
Article dans une revue avec comité de lectureDUCASSE, Eric (Massachusetts Institute of Technology Press (MIT Press), 2003)For the Physical Modeling Synthesis of wind instruments, we choose to design a model adapted to time domain simulation which takes into account the main part of the physical phenomena, including instrument/player interactions. ...