Solving the Antisymmetry Problem Caused by Pitch Interval and Duration Ratio in Geometric Matching of Music

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Title:	Solving the Antisymmetry Problem Caused by Pitch Interval and Duration Ratio in Geometric Matching of Music
Authors:	Wu, Hung-Hsuan;Lin, Hwei-Jen;Yen, Shwu-Huey;Chang, Hsiao-Wei
Contributors:	淡江大學資訊工程學系
Keywords:	content-based music retrieval;geometric matching;pitch interval;duration ratio;antisymmetry effect
Date:	2010-10
Issue Date:	2011-10-01 12:01:15 (UTC+8)
Publisher:	Oulu: Academy Publisher
Abstract:	Music representation with pitch interval and duration ratio can achieve invariance to transposition and tempo. However, altering the pitch or duration of a single music note will cause an antisymmetry effect. This paper proposes an algorithm for computing a geometric measure between two music fragments represented with pitch interval and duration ratio, with the capability of detecting and reducing these effects to improve search effectiveness.
Relation:	Journal of Multimedia 5(5), pp.522-527
DOI:	10.4304/jmm.5.5.522-527
Appears in Collections:	[Graduate Institute & Department of Computer Science and Information Engineering] Journal Article

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