Music visualization technique of repetitive structure representation to support intuitive estimation of music affinity and lightness. Endrjukaite, T. & Kosugi, N. Journal of Mobile Multimedia, 8(1):49-71, 2012.
Music visualization technique of repetitive structure representation to support intuitive estimation of music affinity and lightness [pdf]Paper  abstract   bibtex   
This paper proposes a method to identify and visualize repetitive structures in a pairwise representation of music to support people to imagine their affinity for music and the lightness of music intuitively, or in other words without listening to it. Repetitive structures in this paper are fragments that a music piece contains multiple times, and all these fragments may be slightly different but are perceived as very similar. For example, a tune might have little difference in tonality and could be performed by different kinds of musical instruments. We propose an algorithm to identify repetitive structures in a tune by using a self-similarity matrix. Identified structures are visualized on two kinds of images. One is a colored cylinder of varying diameter where colors represent repetitions and the diameter represents volume changes; the other is repetitions lines image, where different pairs of repetitions are shown on the Y-axis and the duration of each repeated pair is shown on the X-axis with a color. We selected eight tunes based on music psychology to evaluate the performance of the identification and visualization technique. Finally, we found that the amount of repetitions is related to the affinity for music, but not to the lightness of music. Volumes in both high-affinity music and high-lightness music change drastically.
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 title = {Music visualization technique of repetitive structure representation to support intuitive estimation of music affinity and lightness},
 type = {article},
 year = {2012},
 keywords = {MFCC,Misual,affinity,lightness,music visualization,repetitions in music},
 created = {2014-12-10T23:37:56.000Z},
 pages = {49-71},
 volume = {8},
 websites = {http://dl.acm.org/citation.cfm?id=2230820},
 accessed = {2014-06-19},
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 abstract = {This paper proposes a method to identify and visualize repetitive structures in a pairwise representation of music to support people to imagine their affinity for music and the lightness of music intuitively, or in other words without listening to it. Repetitive structures in this paper are fragments that a music piece contains multiple times, and all these fragments may be slightly different but are perceived as very similar. For example, a tune might have little difference in tonality and could be performed by different kinds of musical instruments. We propose an algorithm to identify repetitive structures in a tune by using a self-similarity matrix. Identified structures are visualized on two kinds of images. One is a colored cylinder of varying diameter where colors represent repetitions and the diameter represents volume changes; the other is repetitions lines image, where different pairs of repetitions are shown on the Y-axis and the duration of each repeated pair is shown on the X-axis with a color. We selected eight tunes based on music psychology to evaluate the performance of the identification and visualization technique. Finally, we found that the amount of repetitions is related to the affinity for music, but not to the lightness of music. Volumes in both high-affinity music and high-lightness music change drastically.},
 bibtype = {article},
 author = {Endrjukaite, Tatiana and Kosugi, Naoko},
 journal = {Journal of Mobile Multimedia},
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}
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