A Computational Analysis of Real-world DJ Mixes Using Mix-To-Track Subsequence Alignment

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A DJ mix is a sequence of music tracks concatenated seamlessly, typically rendered for audiences in a live setting by a DJ on stage. As a DJ mix is produced in a studio or the live version is recorded for music streaming services, computational methods to analyze DJ mixes, for example, extracting track information or understanding DJ techniques, have drawn research interests. Many of previous works are, however, limited to identifying individual tracks in a mix or segmenting it, and the sizes of the datasets are usually small. In this paper, we provide an in-depth analysis of DJ music by aligning a mix to its original music tracks. We set up the subsequence alignment such that the audio features are less sensitive to the tempo or key change of the original track in a mix. This approach provides temporally tight mix-to-track matching from which we can obtain cue-points, transition length, mix segmentation, and musical changes in DJ performance. Using 1,557 mixes from 1001Tracklists including 13,728 tracks and 20,765 transitions, we conduct the proposed analysis and show a wide range of statistics, which may elucidate the creative process of DJ music making.
Publisher
International Society for Music Information Retrieval
Issue Date
2020-10-15
Language
English
Citation

The 21th International Society for Music Information Retrieval Conference (ISMIR)

URI
http://hdl.handle.net/10203/279066
Appears in Collection
GCT-Conference Papers(학술회의논문)
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