Please use this identifier to cite or link to this item: http://scholarbank.nus.edu.sg/handle/10635/43769
Title: MODELLING GAMAKAS OF CARNATIC MUSIC AS A SYNTHESIZER FOR SPARSE PRESCRIPTIVE NOTATION
Authors: SRIKUMAR KARAIKUDI SUBRAMANIAN
Keywords: Carnatic music, Computer music synthesis, Music representation, Gamaka, Raga, Optimality Theory
Issue Date: 18-Jan-2013
Source: SRIKUMAR KARAIKUDI SUBRAMANIAN (2013-01-18). MODELLING GAMAKAS OF CARNATIC MUSIC AS A SYNTHESIZER FOR SPARSE PRESCRIPTIVE NOTATION. ScholarBank@NUS Repository.
Abstract: This research addresses the challenge of constructing a computational model of elaborating the sparse discrete "prescriptive" notation used in Carnatic music, in terms of continuous pitch movements called "gamakas" that characterize the genre. Previous work used pure hierarchical, constraint-based and dynamical models of similar elaboration processes in Jazz and Carnatic music and for expressive singing synthesis. This research proposes a data-derived mixed model that supports the rigid melodic constraints of a "raga" and the soft stylistic preferences of an artist. Two equivalent elaboration systems were built and evaluated by expert musicians -- one based on a linear gamaka representation called PASR and another based on a novel two-component representation called DPASR. Findings include the sufficiency of the duration-free melodic context for elaboration, rules for adapting slower gamakas to higher speeds and the simplification of gamaka sequencing preferences using the DPASR representation. The musicological consequences of the new representation are also discussed.
URI: http://scholarbank.nus.edu.sg/handle/10635/43769
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