Constraint-based Shaping of Gestural Performance

Guerino Mazzola, Stefan Müller

Research output: Contribution to journalConference articlepeer-review

7 Scopus citations

Abstract

Our ongoing research in performance theory integrates methods for complex instrument parameter spaces and models for musical gestures. The latter are modelled as parametric curves residing in high-dimensional symbolic and physical gesture spaces. This article shortly exposes basic concepts of those spaces and the construction of symbolic gesture curves. It then discusses the problem of fitting physical gesture curves (which are based on their symbolic counterparts) as a function of anatomical and Newtonian constraints. Our solution makes use of Sturm's zero theorem for cubic splines. The resulting curves can be applied to animation of avatar parts in an animation system. This theory is implemented in the latest version of the performance component of a well-known modular software for analysis, composition, and performance.

Original languageEnglish (US)
JournalInternational Computer Music Conference, ICMC Proceedings
StatePublished - 2003
Externally publishedYes
Event29th International Computer Music Conference, ICMC 2003 - Singapore, Singapore
Duration: Sep 29 2003Oct 4 2003

Bibliographical note

Funding Information:
This work and the RUBATO project are in part supported by SNSF grant 21-59417.99. We thank Peter Stucki for constantly supporting our work.

Publisher Copyright:
© International Computer Music Conference, ICMC Proceedings 2003.

Keywords

  • Computer Animation
  • Gestural Performance
  • Performance Interfaces
  • Performance Theory

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