Multipitch estimation using judge-based model

• Autorzy: Rychlicki-Kicior K. , Stasiak B.

Identyfikatory

DOI

10.2478/bpasts-2014-0081

• Języki publikacji: EN

Abstrakty

EN

Multipitch estimation, also known as multiple fundamental frequency (F0) estimation, is an important part of the Music Information Retrieval (MIR) field. Although there have been many different approaches proposed, none of them has ever exceeded the abilities of a trained musician. In this work, an iterative cancellation method is analysed, being applied to three different sound representations - salience spectrum obtained using Constant-Q Transform, cepstrum and enhanced autocorrelation result. Real-life recordings of different musical instruments are used as a database and the parameters of the solution are optimized using a simple yet effective metaheuristic approach - the Luus-Jaakola algorithm. The presented approach results in 85% efficiency on the test database.

Słowa kluczowe

EN

MIR; fundamental frequency estimation; multi F0; multipitch; polyphony

PL

MIR; częstotliwość; oszacowanie częstotliwości; multi F0; multipitch; polifony

• Wydawca: Polska Akademia Nauk, Wydział IV Nauk Technicznych
• Czasopismo: Bulletin of the Polish Academy of Sciences. Technical Sciences
• Rocznik: 2014
• Tom: Vol. 62, nr 4
• Strony: 751--757
• Opis fizyczny: Bibliogr. 14, rys., tab., wykr.

Twórcy

autor

Rychlicki-Kicior K.

• Institute of Information Technology, Lodz University of Technology, 215 Wolczanska St., 90-924 Łódź, Poland

autor

Stasiak B.

• Institute of Information Technology, Lodz University of Technology, 215 Wolczanska St., 90-924 Łódź, Poland

Bibliografia

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