A method that segments the audio according to the position of the bar lines is presented. The method detects musical bars that frequently repeat in different parts of a musical piece by using an audio similarity matrix. The position of each bar line is predicted by using prior information about the position of previous bar lines as well as the estimated bar length. The bar line segmentation method does not depend on the presence of percussive instruments to calculate the bar length. In addition, the alignment of the bars allows moderate tempo deviations

Authors: Gainza, Mikel; Barry, Dan; Coyle, Eugene
Affiliation: Dublin Institute of Technology (Audio Reseach Group)
AES Convention: 123 (October 2007) Paper Number: 7270
Publication Date: October 1, 2007
Subject: Signal Processing Applied to Music

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