The Simile algorithms documentation 0.3
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چکیده
4 The algorithms 4 4.1 Basic transformations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 4.1.1 Pitch intervals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 4.1.2 Rhythmic quantisation and interonset intervals . . . . . . . . . . . 4 4.1.3 Rhythmical weighting (RW) . . . . . . . . . . . . . . . . . . . . . . 5 4.2 Auxiliary principles . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 4.2.1 Transposition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 4.2.2 Horizontal shifting (HS) . . . . . . . . . . . . . . . . . . . . . . . . 6 4.2.3 Squashing of value range (SVR) . . . . . . . . . . . . . . . . . . . . 7 4.2.4 Syncopicity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 4.2.5 Phrase segmentation . . . . . . . . . . . . . . . . . . . . . . . . . . 8 4.3 Main transformations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 4.3.1 Transformations of pitch . . . . . . . . . . . . . . . . . . . . . . . . 8 4.3.1.1 Pitch ranking . . . . . . . . . . . . . . . . . . . . . . . . . 8 4.3.1.2 Contourisation . . . . . . . . . . . . . . . . . . . . . . . . 9 4.3.1.3 Interval classes . . . . . . . . . . . . . . . . . . . . . . . . 10 4.3.1.4 Interval direction . . . . . . . . . . . . . . . . . . . . . . . 10 4.3.1.5 Fourier transform . . . . . . . . . . . . . . . . . . . . . . . 10 4.3.2 Transformations of rhythm . . . . . . . . . . . . . . . . . . . . . . . 10 4.3.2.1 Duration classes . . . . . . . . . . . . . . . . . . . . . . . 10 4.3.2.2 Gaussification . . . . . . . . . . . . . . . . . . . . . . . . . 11 4.3.3 Accent transfomation . . . . . . . . . . . . . . . . . . . . . . . . . . 11
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The Simile Algorithm for Melodic Similarity
This abstract sketches the approach and the employed means for constructing measures of melodic similarity in our software toolbox SIMILE. For different tasks related to melodic similarity different hybrid algorithms proved to be optimal. The hybrid algorithms consist of several single algorithms mostly known in the literature that are taken together in a linear combination. One special linear ...
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