Long-term musical structures provide information concerning rhythm, melody and the composition. Although highly musically relevant, these structures are difficult to determine using standard signal processing techniques. In this paper, a new technique based on the time-domain empirical mode decomposition is explained. It enables us to analyse the long-term metrical structures in musical signals and provides insight into perceived rhythms and their relationship to the signal. Besides, it decomposes a given signal into its constituent oscillations that can be modified to produce a new version of the signal. The technique is explained, and results are reported and discussed.

Authors: Heydarian, Peyman; Reiss, Joshua D.
Affiliation: Queen Mary, University of London
AES Convention: 122 (May 2007) Paper Number: 7158
Publication Date: May 1, 2007
Subject: Analysis and Synthesis of Sound

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