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Player-Instrument Interaction Models for Digital Waveguide Synthesis of Guitar: Touch and Collisions
Linköping University, Department of Science and Technology, Media and Information Technology. Linköping University, The Institute of Technology. (Sound and Video Technology)
Sony Ericsson Mobile Communication.
2010 (English)In: IEEE TRANSACTIONS ON AUDIO SPEECH AND LANGUAGE PROCESSING, ISSN 1558-7916, Vol. 18, no 4, 822-832 p.Article in journal (Refereed) Published
Abstract [en]

Physically inspired sound synthesis techniques have been devised for several instruments including guitar. Less well studied are methods to model the interactions of the player with strings and of the strings with other mechanical parts of the instrument. In this paper, we present methods based on simple scattering junctions to be inserted at various points along a digital waveguide simulating transversal wave propagation along a string. These junctions, which are derived using a balanced perturbation method for displacement wave variables, connect the waveguide with the external stimuli provided by the player or with objects that are part of the instrument. A model for plucking is revisited and improved. New nonlinear structures for the accurate model of collisions are developed. The proposed junctions achieve realistic synthesis of the interaction of the plucking finger or pick with the string, of the interaction of the fingers on the neck-side hand with strings, such as in the production of harmonics, and of the strings themselves with frets or fingerboard in a fretless instrument.

Place, publisher, year, edition, pages
IEEE , 2010. Vol. 18, no 4, 822-832 p.
Keyword [en]
Digital waveguides, guitar, harmonics, players touch, pluck models, physical models, popping and slapping, scattering, sound synthesis, string
National Category
Engineering and Technology
URN: urn:nbn:se:liu:diva-55524DOI: 10.1109/TASL.2009.2038822ISI: 000276621600011OAI: diva2:316228
©2009 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE. Gianpaolo Evangelista and Fredrik Eckerholm, Player-Instrument Interaction Models for Digital Waveguide Synthesis of Guitar Touch and Collisions, 2010, IEEE TRANSACTIONS ON AUDIO SPEECH AND LANGUAGE PROCESSING, (18), 4, 822-832. Available from: 2010-04-30 Created: 2010-04-30 Last updated: 2010-10-08

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