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Rhythm map: Extraction of unit rhythmic patterns and analysis of rhythmic structure from music acoustic signals

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3 Author(s)
Tsunoo, E. ; Grad. Sch. of Inf. Sci. & Technol., Univ. of Tokyo, Tokyo ; Ono, N. ; Sagayama, S.

This paper discusses an approach to extract constituent percussive bar-long patterns in a music piece given as acoustic signal and to analyze the music structure with a map of constituent rhythmic patterns. Possible applications include music genre classification, music information retrieval (MIR) and music modification such as replacing rhythmic patterns with others. We propose a mathematical method based on One-pass DP algorithm and k-means clustering to extract unit percussive rhythmic patterns. As the result of identifying and localization the unit patterns in the entire piece, we obtained a music structure in the form of a map of rhythmic patterns.

Published in:

Acoustics, Speech and Signal Processing, 2009. ICASSP 2009. IEEE International Conference on

Date of Conference:

19-24 April 2009