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Título:	Time-delayed melody surfaces for Rāga recognition
Autor/a:	Gulati, Sankalp; Serrà Julià, Joan; Ganguli, Kaustuv Kanti; Sentürk, Sertan; Serra, Xavier
Abstract:	Comunicació presentada a la 17th International Society for Music Information Retrieval Conference (ISMIR 2016), celebrada els dies 7 a 11 d'agost de 2016 a Nova York, EUA.
Abstract:	Raga is the melodic framework of Indian art music. It is a core concept used in composition, performance, organization, and pedagogy. Automatic raga recognition is thus a fundamental information retrieval task in Indian art music. In this paper, we propose the time-delayed melody surface (TDMS), a novel feature based on delay coordinates that captures the melodic outline of a raga. A TDMS describes both the tonal and the temporal characteristics of a melody, using only an estimation of the predominant pitch. Considering a simple k-nearest neighbor classifier, TDMSs outperform the state-of-the-art for raga recognition by a large margin. We obtain 98% accuracy on a Hindustani music dataset of 300 recordings and 30 ragas, and 87% accuracy on a Carnatic music dataset of 480 recordings and 40 ragas. TDMSs are simple to implement, fast to compute, and have a musically meaningful interpretation. Since the concepts and formulation behind the TDMS are generic and widely applicable, we envision its usage in other music traditions beyond Indian art music.
Abstract:	This work is partly supported by the European Research Council under the European Unions Seventh Framework Program, as part of the CompMusic project (ERC grant agreement 267583).
Materia(s):	-Música -- Anàlisi
Derechos:	© Sankalp Gulati, Joan Serra, Kaustuv K Ganguli, Sertan Senturk and Xavier Serra. Licensed under a Creative Commons Attribution 4.0 International License (CC BY 4.0). Attribution: Sankalp Gulati, Joan Serra, Kaustuv K Ganguli, Sertan Senturk and Xavier Serra. “Time-delayed melody surfaces for Raga recognition”, 17th International Society for Music Information Retrieval Conference, 2016. http://creativecommons.org/licenses/by/4.0/
Tipo de documento:	Objeto de conferencia Artículo - Versión publicada
Editor:	International Society for Music Information Retrieval (ISMIR)
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