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Raga verification in carnatic music using longest common segment set
, , Krishnaraj Sekhar P.V.
Published in
2015
Pages: 605 - 611
Abstract
There are at least 100 rāgas that are regularly performed in Carnatic music concerts. The audience determines the identity of rāgas within a few seconds of listening to an item. Most of the audience consists of people who are only avid listeners and not performers. In this paper, an attempt is made to mimic the listener. A rāga verification framework is therefore suggested. The rāga verification system assumes that a specific rāga is claimed based on similarity of movements and motivic patterns. The system then checks whether this claimed rāga is correct. For every rāga, a set of cohorts are chosen. A rāga and its cohorts are represented using pallavi lines of compositions. A novel approach for matching, called Longest Common Segment Set (LCSS), is introduced. The LCSS scores for a rāga are then normalized with respect to its cohorts in two different ways. The resulting systems and a baseline system are compared for two partitionings of a dataset. A dataset of 30 rāgas from Charsur Foundation 1 is used for analysis. An equal error rate (EER) of 12% is obtained. © Shrey Dutta, Krishnaraj Sekhar PV, Hema A. Murthy.
About the journal
JournalProceedings of the 16th International Society for Music Information Retrieval Conference, ISMIR 2015
Open AccessNo