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Capturing kinetic wave demonstrations for sound control

Published: 16 September 2020 Publication History

Abstract

In musical acoustics, wave propagation, reflection, phase inversion, and boundary conditions can be hard to conceptualize. Physical kinetic wave demonstrations offer visible and tangible experiences of wave behavior and facilitate active learning. We implement such kinetic demonstrations, a long spring and a Shive machine, using contemporary fabrication techniques. Furthermore, we employ motion capture (MoCap) technology to transform these kinetic assemblies into audio controllers. Time-varying coordinates of Mo-Cap markers integrated into the assemblies are mapped to audio parameters, closing a multi-sensory loop where visual analogues of acoustic phenomena are in turn used to control digital audio. The project leads to a pedagogical practice where fabrication and sensing technologies are used to reconstitute demonstrations for the eye as controllers for the ear.

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R.T. Beyer. 1999. Sounds of Our Times: Two Hundred Years of Acoustics. Springer New York.
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C. Haber. 2008. Imaging Historical Voices. International Preservation News 46 (12 2008), 23--28.
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I. E. Harel and S. E. Papert. 1991. Constructionism. Norwood, NJ.
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J. Holland. 2000. Charles Wheatstone and the Representation of Waves. Ritten-house 13 (12 2000), 86--106.
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C.A. Jones, P. Galison, and A.E. Slaton. 1998. Picturing Science, Producing Art. Routledge.
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M. Kintel and C. Wolf. 2019. OpenScad: Script-only based Modeller for Constructive Solid Geometries. https://www.openscad.org/
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H. Lipson. 2005. 3D Printing the History of Mechanisms. Journal of Mechanical Design 127 (9 2005).
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S. L. Martinez and G. S. Stager. 2013. Invent to learn: Making, tinkering, and engineering in the classroom. Constructing Modern Knowledge Press.
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C.A. Muldoon. 2006. Shall I Compare Thee To A Pressure Wave? Visualisation, Analogy, Insight and Communication in Physics. Ph.D. Dissertation. Bath University.
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J.N. Shive. 1961. Similarities in Wave Behavior. Waverley Press, Baltimore,MD.
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F. Visi and L. Dahl. 2018. Real-Time Motion Capture Analysis and Music Interaction with the Modosc Descriptor Library. NIME'18, June 3--6, Blacksburg, Virginia, USA (2018).

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      cover image ACM Other conferences
      AM '20: Proceedings of the 15th International Audio Mostly Conference
      September 2020
      281 pages
      ISBN:9781450375634
      DOI:10.1145/3411109
      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 the author(s) 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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      Association for Computing Machinery

      New York, NY, United States

      Publication History

      Published: 16 September 2020

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      Author Tags

      1. augmented reality
      2. digital fabrication
      3. motion capture
      4. music education
      5. musical acoustics
      6. sonic interaction design
      7. sonification

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      AM'20
      AM'20: Audio Mostly 2020
      September 15 - 17, 2020
      Graz, Austria

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      AM '20 Paper Acceptance Rate 29 of 47 submissions, 62%;
      Overall Acceptance Rate 177 of 275 submissions, 64%

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