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jAudio 1.0 Feature Appendix

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Harmonic Spectral Flux

A variation on spectral flux that is based upon peaks instead of bins. Given two sets of peaks, calculate the correlation between adjacent peaks. This should use proper peak tracking, but for now tracks peaks by matching peaks from the bottom up. Unmatched peaks are discarded. This feature is based upon Stephan McAdams Spectral Centroid in (McAdams 1999).

McAdams, S. 1999. Perspectives on the contribution of timbre to musical structure. Computer Music Journal. 23(3):85-102.