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    Time-Domain Analysis / Synthesis of the Excitation Signal in a Source / Filter Model of Contact Sounds

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    LagrangeScavone2008.pdf (1.710Mb)
    Date
    2008-06
    Author
    Lagrange, Mathieu
    Scavone, Gary
    Depalle, Philippe
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    Abstract
    Contact sounds represent an important subset of environmental sounds that are useful for enhancing the interaction of a user with a computer-simulated virtual reality or augmented environment. The real-time synthesis of these sounds has received much attention in the auditory display community and some convincing results have been achieved[1, 2]. This paper focuses on the modeling, analysis, and synthesis of more complex contact interactions, such as sliding, rolling and bouncing. We assume the widely adopted source-filter approach and use a modal representation of the filter component. In this paper, an explicit time-domain model of the excitation is proposed that produces promising results. The main advantages of the proposed model is that it allows a compact and versatile representation of the system, as well as an efficient synthesis scheme.
    URI
    http://hdl.handle.net/1853/49962
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