PIANO SOUND ANALYSIS USING NON-NEGATIVE MATRIX FACTORIZATION WITH INHARMONICITY CONSTRAINT

被引：0

作者：

Rigaud, Francois ^{[1
]}

David, Bertrand ^{[1
]}

Daudet, Laurent ^{[2
,3
]}

机构：

[1] Telecom ParisTech, CNRS LTCI, Inst Telecom, Paris, France

[2] Paris Diderot Univ, CNRS, ESPCI ParisTech, Inst Langevin, Paris, France

[3] Inst Univ France, Paris, France

来源：

2012 PROCEEDINGS OF THE 20TH EUROPEAN SIGNAL PROCESSING CONFERENCE (EUSIPCO) | 2012年

关键词：

non-negative matrix factorization; piano tuning; inharmonicity coefficient estimation;

D O I：

暂无

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

This paper presents a method for estimating the tuning and the inharmonicity coefficient of piano tones, from single notes or chord recordings. It is based on the Non-negative Matrix Factorization (NMF) framework, with a parametric model for the dictionary atoms. The key point here is to include as a relaxed constraint the inharmonicity law modelling the frequencies of transverse vibrations for stiff strings. Applications show that this can be used to finely estimate the tuning and the inharmonicity coefficient of several notes, even in the case of high polyphony. The use of NMF makes this method relevant when tasks like music transcription or source/note separation are targeted.

引用

页码：2462 / 2466

页数：5

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