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Synthesizing sounds from rigid-body simulations

Published: 21 July 2002 Publication History

Abstract

This paper describes a real-time technique for generating realistic and compelling sounds that correspond to the motions of rigid objects. By numerically precomputing the shape and frequencies of an object's deformation modes, audio can be synthesized interactively directly from the force data generated by a standard rigid-body simulation. Using sparse-matrix eigen-decomposition methods, the deformation modes can be computed efficiently even for large meshes. This approach allows us to accurately model the sounds generated by arbitrarily shaped objects based only on a geometric description of the objects and a handful of material parameters. We validate our method by comparing results from a simulated set of wind chimes to audio measurements taken from a real set.

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cover image ACM Conferences
SCA '02: Proceedings of the 2002 ACM SIGGRAPH/Eurographics symposium on Computer animation
July 2002
203 pages
ISBN:1581135734
DOI:10.1145/545261
Permission to make digital or hard copies of all or part of this work for personal or classroom use is granted without fee provided that copies are not made or distributed for profit or commercial advantage and that copies bear this notice and the full citation on the first page. Copyrights for components of this work owned by others than ACM must be honored. Abstracting with credit is permitted. To copy otherwise, or republish, to post on servers or to redistribute to lists, requires prior specific permission and/or a fee. Request permissions from [email protected]

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Published: 21 July 2002

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Author Tags

  1. animation techniques
  2. dynamics
  3. element method
  4. finite
  5. modal analysis
  6. modal synthesis
  7. physically based modeling
  8. simulation
  9. sound modeling
  10. surface vibrations

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SCA02
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SCA02: Symposium on Computer Animation
July 21 - 22, 2002
Texas, San Antonio

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SCA '02 Paper Acceptance Rate 22 of 53 submissions, 42%;
Overall Acceptance Rate 183 of 487 submissions, 38%

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