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1 LMA - Laboratoire de Mécanique et d-Acoustique Marseille 2 Sons LMA - Laboratoire de Mécanique et d-Acoustique Marseille 3 Sons LMA - Laboratoire de Mécanique et d-Acoustique Marseille

Abstract : In this paper, a flexible strategy to control a synthesis model of sounds produced by non linear friction phenomena is proposed for guidance or musical purposes. It enables to synthesize different types of sounds, such a creaky door, a singing glass or a squeaking wet plate. This approach is based on the action-object paradigm that enables to propose a synthesis strategy using classical linear filtering techniques source-resonance approach which provide an efficient implementation. Within this paradigm, a sound can be considered as the result of an action e.g. impacting, rubbing,

. on an object plate, bowl,



However, in the case of non linear friction phenomena, simulating the physical coupling between the action and the object with a completely decoupled source-resonance model is a real and relevant challenge. To meet this challenge, we propose to use a synthesis model of the source that is tuned on recorded sounds according to physical and spectral observations. This model enables to synthesize many types of non linear behaviors. A control strategy of the model is then proposed by defining a flexible physically informed mapping between a descriptor, and the non linear synthesis behavior. Finally, potential applications to the remediation of motor diseases are presented. In all sections, video and audio materials are available at the following URL: http:-www.lma.cnrs-mrs.fr-~kronland-thoretDAFx2013-





Autor: Etienne Thoret - Mitsuko Aramaki - Charles Gondre - Richard Kronland-Martinet - Solvi Ystad -

Fuente: https://hal.archives-ouvertes.fr/



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