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Motion curves in music: the statistical analysis of midi data

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3 Author(s)
Das, M. ; Dept. of Electron., York Univ., UK ; Howard, D.M. ; Smith, S.L.

This paper postulates that the analysis of multivariate MIDI data allows for the statistical analysis of motion in music. The paper deals with analysing the kinematic motion components within music, specifically music velocity (i.e. tempo) and music acceleration/deceleration (i.e. tempo change), based upon Truslit's definition of predominant up-down motion types (1938). Thus, the variables of music velocity and acceleration are mathematically defined and extracted from MIDI encodings. Analysis of music velocity indicates that the differing motion types have specific and consistent velocity profiles, and that these profiles can be expressed mathematically and analysed statistically. In particular the paper focuses on the open motion curve fit relating the open motion velocity curve to the beta distribution. Analysis of acceleration within music suggests that music acceleration is not constant in nature, implying that theories of linear velocity are inaccurate models. Hence, MIDI data analysis allows for the statistical exploration of musical kinematics

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EUROMICRO Conference, 1999. Proceedings. 25th  (Volume:2 )

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