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Physical Model of the String-Fret Interaction
Linköping University, Department of Science and Technology, Media and Information Technology. Linköping University, The Institute of Technology. (Sound and Video Technology)
2011 (English)In: Proc. of Digital Audio Effect Conf., 2011, 345-351. p.Conference paper, Oral presentation only (Refereed)
Abstract [en]

In this paper, a model for the interaction of the strings with the frets in a guitar or other fretted string instruments is introduced. In the two-polarization representation of the string oscillations it is observed that the string interacts with the fret in different ways. While the vertical oscillation is governed by perfect or imperfect clamping of the string on the fret, the horizontal oscillation is subject to friction of the string over the surface of the fret. The proposed model allows, in particular, for the accurate evaluation of the elongation of the string in the two modes, which gives rise to audible dynamic detuning. The realization of this model into a structurally passive system for use in digital waveguide synthesis is detailed. By changing the friction parameters, the model can be employed in fretless instruments too, where the string directly interacts with the neck surface.

Place, publisher, year, edition, pages
2011. 345-351. p.
National Category
Media Engineering
Identifiers
URN: urn:nbn:se:liu:diva-78779ISBN: ISBN: 978-2-95403-510-9 (print)OAI: oai:DiVA.org:liu-78779DiVA: diva2:535799
Conference
DAFx’11, Paris, 2011
Available from: 2012-06-27 Created: 2012-06-20 Last updated: 2012-06-27Bibliographically approved

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Evangelista, Gianpaolo
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CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf