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Improved System for Identification of Live Music Performances by Dynamic Time Warping

KAWAMATA, Taisuke HONDA, Ayami MATSUDA, Yoshitatsu 成蹊大学 DOI:info:doi/10.15018/00001279

2021.12.01

概要

The identification of a song performed at a concert, called the "live version," is not yet a popular search among users because of the song possibly having a different arrangement or other modifications, unlike audio searches for an exactly matching song. For live song identification, we examined the application of dynamic time warping to chroma feature series extracted from both studio and live versions of a song. In this paper, we especially focused on measuring the linearity of the warping path. It was evaluated using datasets collected from the internet and the results were compared to those of an existing search service, which showed that the proposed method has the highest accuracy.

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参考文献

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This work was supported by the Japan Society for the

in the

was female.

To solve this problem,

the parts for all instruments

Acknowledgement

that

the studio and live versions,

the chroma

an octave

song key are not frequent

rearrange

because

features.

Fig. 6 shows

The key of song No.

was male but the live vocalist

No. 4 could not be identified.

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path of No. 4 was non-linear.

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change

not be identified

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buffer

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