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Virtual Flute

Edgar J. Berdahl and Julius O. Smith III

REALSIMPLE Project1

Center for Computer Research in Music and Acoustics (CCRMA)
Department of Music
Stanford University
Stanford, California 94305

REALSIMPLE Project2

Center for Computer Research in Music and Acoustics (CCRMA), and the
Department of Electrical Engineering
Stanford University
Stanford, CA

Abstract:

This laboratory assignment should teach students how to model the physics of a flute using a digital waveguide. After explaining the acoustics of a tube with two open ends, we develop a simple digital waveguide flute model. Next, the model is extended to include a noise excitation source and a nonlinear element. Students investigate the behavior of the flute model in pd and answer some questions to solidify understanding. The prerequisite assignments are the monochord laboratory assignment, the weighted monochord laboratory assignment, the harmonics laboratory assignment, the traveling waves laboratory assignment, the digital waveguide model laboratory assignment, and the virtual acoustic tube lab.

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``Virtual Flute'', by Edgar J. Berdahl, and Julius O. Smith III,
REALSIMPLE Project — work supported by the Wallenberg Global Learning Network .
Released 2008-06-05 under the Creative Commons License (Attribution 2.5), by Edgar J. Berdahl, and Julius O. Smith III
Center for Computer Research in Music and Acoustics (CCRMA),   Stanford University
CCRMA