Non-negative matrix factorization for note onset detection of audio signals

Wenwu, W, Yuhui, L, Chambers, JA and Saeid, S (2007) Non-negative matrix factorization for note onset detection of audio signals In: MSLP 2006, 2006-09-06 - 2006-09-08, Arlington, USA.

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Abstract

A novel approach using non-negative matrix factorization (NMF) for onset detection of musical notes from audio signals is presented. Unlike most commonly used conventional approaches, the proposed method exploits a new detection function constructed from the linear temporal bases that are obtained from a non-negative matrix decomposition of musical spectra. Both first-order difference and psychoacoustically motivated relative difference functions of the temporal profile are considered. As the approach works directly on input data, no prior knowledge or statistical information is thereby required. A practical issue of the choice of the factorization rank is also examined experimentally. Numerical examples are provided to show the performance of the proposed method. © 2006 IEEE.

Item Type:	Conference or Workshop Item (UNSPECIFIED)
Authors :	Name Email ORCID Wenwu, W Yuhui, L Chambers, JA Saeid, S
Date :	8 January 2007
DOI :	10.1109/MLSP.2006.275592
Contributors :	Contribution Name Email ORCID http://www.loc.gov/loc.terms/relators/PBL IEEE,
Depositing User :	Symplectic Elements
Date Deposited :	28 Mar 2017 14:43
Last Modified :	31 Oct 2017 14:37
URI:	http://epubs.surrey.ac.uk/id/eprint/596110

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