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A segmentation-based prototype to compute string instruments fingering

Summary: A segmentation-based prototype
to compute string instruments fingering
Daniele Radicioni
Centro di Scienza Cognitiva, UniversitÓ di Torino, Italy
Luca Anselma
Dipartimento di Informatica, UniversitÓ di Torino, Italy
Vincenzo Lombardo
Dipartimento di Informatica, CSC, CIRMA, UniversitÓ di Torino, Italy
Background in automatic music performance. Several representational levels are involved in the performance
process [Dannenberg, 1993]: a performance environment should be concerned at least in i) getting a score in input, ii)
analyzing it, like a human performer would do, iii) modelling the constraints posed by body-instrument interaction, iv)
manipulating sound parameters. While there exist some satisfactory solutions at level iv) (e.g. the guitar physical
model described in [Cuzzucoli, Lombardo, 1999]), levels ii) and iii) still pose unanswered questions. In this paper we
address the problem of fingering, that deeply affects the physical and expressive qualities of the sound being produced
(cf. [Parncutt et al. 1997] and [Gilardino, 1975a, 1975b] in the case of keyboards and guitar, respectively).
Background in computing. Parncutt et al. (1997) propose an ergonomic model for short fragments of keyboard
music. The algorithmic approach in [Sayegh, 1989] proposes a computationally efficient solution (based on a shortest


Source: Anselma, Luca - Dipartimento di Informatica, UniversitÓ di Torino


Collections: Computer Technologies and Information Sciences