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Toward a computational model of expression in music performance: The GERM model
Uppsala University, Humanistisk-samhällsvetenskapliga vetenskapsområdet, Faculty of Social Sciences, Department of Psychology.
2002 (English)In: MUSICAE SCIENTIAE, ISSN 1029-8649, Vol. Special Issue 2001-2002, 63-122 p.Article in journal (Refereed) Published
Abstract [en]

This article presents a computational model of expression in music performance: The GERM model. The purpose of the GERM model is to (a) describe the principal sources of variability in music performance, (b) emphasize the need to integrate different aspects of performance in a common model, and (c) provide some preliminaries (germ = a basis from which a thing may develop) for a computational model that simulates the different aspects. Drawing on previous research on performance, we propose that that performance expression derives from four main sources of variability: (1) Generative Rules, which function to convey the generative structure in a musical manner (e.g., Clarke, 1988; Sundberg, 1988); (2) Emotional Expression, which is governed by the performer’s expressive intention (e.g., Juslin, 1997a); (3) Random Variations, which reflect internal timekeeper variance and motor delay variance (e.g., Gilden, 2001; Wing & Kristofferson, 1973); and (4) Movement Principles, which prescribe that certain features of the performance are shaped in accordance with biological motion (e.g., Shove & Repp, 1995). A preliminary version of the GERM model was implemented by means of computer synthesis. Synthesized performances were evaluated by musically trained participants in a listening test. The results from the test support a decomposition of expression in terms of the GERM model. Implications for future research on music performance are discussed.

Place, publisher, year, edition, pages
2002. Vol. Special Issue 2001-2002, 63-122 p.
Keyword [en]
music performance, computational modeling, sound synthesis, emotion, expression
National Category
URN: urn:nbn:se:uu:diva-39468OAI: oai:DiVA.org:uu-39468DiVA: diva2:67367
Available from: 2006-12-13 Created: 2006-12-13 Last updated: 2011-01-13

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Juslin, Patrik N
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