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Wednesday, June 6 • 1:30pm - 2:30pm
Paper 9.1

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Widening the Razor-Thin Edge of Chaos Into a Musical Highway: Connecting Circle Maps to Digital Waveguides
by Edgar Berdahl, Eric Sheffield, Andrew Pfalz & Anthony T. Marasco

For the purpose of creating new musical instruments, chaotic dynamical systems can be simulated in real time to synthesize complex sounds. This work investigates a series of discrete-time chaotic maps, which have the potential to generate intriguing sounds when they are adjusted to be on the edge of chaos. With these chaotic maps as studied historically, the edge of chaos tends to be razor-thin, which can make it difficult to employ them for making new musical instruments. The authors therefore suggest connecting chaotic maps with digital waveguides, which (1) make it easier to synthesize harmonic tones and (2) make it harder to fall off of the edge of chaos while playing a musical instrument. The authors argue therefore that this technique widens the razor-thin edge of chaos into a musical highway.

avatar for Edgar Berdahl

Edgar Berdahl

Assistant Professor, Louisiana State University
avatar for Anthony T. Marasco

Anthony T. Marasco

Louisiana State University
Embedded instruments, software for emergent media experiences, audiovisual installations, composition, modular synthesizers, the TV show “Perfect Strangers. ”

Eric Sheffield

Louisiana State University|Baton Rouge|Louisiana|United States

Wednesday June 6, 2018 1:30pm - 2:30pm EDT
Torgersen Hall - Room 2150