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On the use of phase and energy for musical onset detection in the complex domain

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4 Author(s)
J. P. Bello ; Dept. of Electron. Eng., Queen Mary Univ. of London, UK ; C. Duxbury ; M. Davies ; M. Sandler

We present a study on the combined use of energy and phase information for the detection of onsets in musical signals. The resulting method improves upon both energy-based and phase-based approaches. The detection function, generated from the analysis of the signal in the complex frequency domain is sharp at the position of onsets and smooth everywhere else. Results on a database of recordings show high detection rates for low rates of errors. The approach is more robust than its predecessors both theoretically and practically.

Published in:

IEEE Signal Processing Letters  (Volume:11 ,  Issue: 6 )