Motivic Analysis and Its Relevance to Rāga Identification in Carnatic Music
نویسندگان
چکیده
A rāga is a collective melodic expression consisting of motifs. A rāga can be identified using motifs which are unique to it. Motifs can be thought of as signature prosodic phrases. Different rāgas may be composed of the same set of notes, or even phrases, but the prosody may be completely different. In this paper, an attempt is made to determine the characteristic motifs that enable identification of a rāga and distinguish between them. To determine this, motifs are first manually marked for a set of five popular rāga by a professional musician. The motifs are then normalised with respect to the tonic. HMMs are trained for each motif using 80% of the data and about 20% are used for testing. The results do indicate that about 80% of the motifs are identified as belonging to a specific rāga accurately.
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