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Microtemporal processes of sound construction, perception and form modulation: an analytical and compositional approach

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Author(s):
Danilo Rossetti
Total Authors: 1
Document type: Doctoral Thesis
Press: Campinas, SP.
Institution: Universidade Estadual de Campinas (UNICAMP). Instituto de Artes
Defense date:
Examining board members:
Silvio Ferraz de Mello Filho; José Henrique Padovani Velloso; Tatiana Olivieri Catanzaro; Rodrigo Cicchell Velloso; Alexandre Roberto Lunsqui
Advisor: Stéphan Olivier Schaub; Silvio Ferraz de Mello Filho
Abstract

This thesis addresses analysis and composition processes by traditional means and by computing environments, from an interaction between analysis/composition and perception. In the first part, based on the concepts of technomorphism and instrumental synthesis, we present a study of a few microtemporal sound processes. These processes are classified into undulatory and granular paradigms, upon which we propose a complementary approach. Regarding to sound morphology perception and modulation, we present an analysis having as theoretical basis the principle of individuation and the allagmatic method of Gilbert Simondon, the autopoiesis of Humberto Maturana and Francisco Varela, the enaction of Varela, besides the saillances, prégnances and the catastrophe theory of René Thom. With respect to the different temporal scales, these morphologies can have isomorphic features, in agreement with the propositions of Stockhausen, Koenig and Grisey, or heteromorphic features, as proposes Vaggione. In keeping with this approach, we study and analyze the fusion of different timbres into a single perceptual structure, by psychoacoustic (jitter) and compositional (by Ligeti and Grisey¿s concepts) means. In the second part of this work, we analyze instrumental and electroacoustic musical works by Schoenberg, Ligeti, Murail, Xenakis, López-López, and Vaggionne, all of them providing important contributions for timbre fusion phenomenon. Lastly, we describe and analyze our creative process in five musical works, which had been composed during this research. Among these works, there are solo pieces and pieces for different instrumental and vocal ensembles, four of them with live electronic treatments (AU)

FAPESP's process: 13/00155-4 - Micro-time manipulation mechanisms in composition: the granular universe of sound
Grantee:Danilo Augusto de Albuquerque Rossetti
Support Opportunities: Scholarships in Brazil - Doctorate