Computing melodic templates in oral music traditions
Computing melodic templates in oral music traditions
复制标题
计算口头音乐传统中的旋律模板
DOI:
10.1016/j.amc.2018.09.071
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发表时间:
2019
影响因子:
4
通讯作者:
Ventura, Inmaculada
中科院分区:
文献类型:
--
作者:
Bereg, Sergey;Díaz-Báñez, José-Miguel;Kroher, Nadine;Ventura, Inmaculada
The termmelodictemplateor skeletonrefers to a basic melody which is subject to variation during a music performance. In many oral music traditions, these templates are implicitly passed throughout generations without ever being formalized in a score. In this work, we introduce a new geometric optimization problem, thespanning tube problem, to approximate a melodic template for a set of labeled performance transcriptions corresponding to a specific style in oral music traditions. Given a set ofnpiecewise linear functions, we solve the problem of finding a continuous function,f*, and a minimum value, ε*, such that, the vertical segment of length 2ε* centered at (x, f*(x)) intersects at leastpfunctions (p≤n). The method explored here also provide a novel tool for quantitatively assess the amount of melodic variation which occurs across performances.
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