This work presents a study of the multiphonics of the saxophone from the points of view of timbra... more This work presents a study of the multiphonics of the saxophone from the points of view of timbral analysis and musical performance. A multiphonics categorization into four groups was previously proposed, starting from a musical analysis and further validated by psychophysical experiments and spectral analysis tools. This classification served to identify relevant timbral attributes of the studied multiphonics, such as modulation frequency, spectral center of gravity and roughness. The present work extends the analysis to the spectral morphing of multiphonics, generated by the continuous modification of the playing parameters. These morphings are studied in a comparative view as trajectories in a timbral space, based on the aforementioned attributes, and in terms of their feasibility in the instrument. From this comparative analysis a dynamic characterization of the proposed multiphonic groups is derived.
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La posibilidad de obtener sonidos múltiples en los instrumentos de viento de tradición europea si... more La posibilidad de obtener sonidos múltiples en los instrumentos de viento de tradición europea significó uno de los cambios más radicales que introdujo la música del siglo XX. Heredados de la música oriental -en donde se utilizan multifónicos desde tiempos ancestrales en el canto y en diferentes aerófonos-estos sonidos, que requieren de un estudio técnico específico por parte del instrumentista tanto en lo que respecta a la embocadura y la entonación como a la utilización de digitaciones especiales, consisten en la producción de dos, tres y hasta cuatro alturas simultáneas en instrumentos monofónicos. A partir de la exploración instrumental
This work presents a study of the multiphonics of the saxophone from the points of view of timbra... more This work presents a study of the multiphonics of the saxophone from the points of view of timbral analysis and musical performance. A multiphonics categorization into four groups was previously proposed, starting from a musical analysis and further validated by psychophysical experiments and spectral analysis tools. This classification served to identify relevant timbral attributes of the studied multiphonics, such as modulation frequency, spectral center of gravity and roughness. The present work extends the analysis to the spectral morphing of multiphonics, generated by the continuous modification of the playing parameters. These morphings are studied in a comparative view as trajectories in a timbral space, based on the aforementioned attributes, and in terms of their feasibility in the instrument. From this comparative analysis a dynamic characterization of the proposed multiphonic groups is derived.
Despite a number of recent studies on the production of multiphonics in woodwinds, an exhaustive ... more Despite a number of recent studies on the production of multiphonics in woodwinds, an exhaustive study on the perception of these sonorities is still missing. In this work we undertake a comparative study of saxophone multiphonics from the musical, perceptual and acoustical points of view. We propose four major classes based on the analysis of the musical attributes and playing techniques of a set of 118 alto saxophone multiphonics, spanning all the possible sonorities previously reported. Then, we perform a dissimilarity rating experiment for all possible pairs of a subset of fifteen representative multiphonics. This experiment provides confidence in the suggested classification, since the four classes are segregated in a Multidimensional Scaling (MDS) representation. We also find two possible acoustical correlates of the perceptual dimensions: the spectral centroid (SC) and the modulation frequency (MF). Finally, this last representation is explored through morphing trajectories, which correspond to multiphonics that change the timbre and musical interval organization with fixed fingering.
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Papers by martin proscia