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Convention Paper

A Joint Approach to Extract Multiple Fundamental Frequency in Polyphonic Signals Minimizing Gaussian Spectral Distance

Authors: Cañadas-Quesada, Francisco J.; Vera-Candeas, Pedro; Ruiz-Reyes, Nicolás; Carabias-Orti, Julio J.; Martínez Munoz, Damián

AES Convention 126 · Paper 7756 · May 2009

Abstract

This paper presents a joint estimation approach to extract multiple fundamental frequency (F0) in monaural polyphonic music signals. In a frame-based analysis, we generate a spectral envelope for each combination of F0 candidates, from non-overlapped partials, under assumption that a harmonic sound is characterized by a Gaussian mixture model (GMM). The optimal F0 candidates combination minimizes a spectral Euclidean distance measure between the original spectrum and Gaussian spectral models. Evaluation was carried out using several piano recordings. Evaluation show promising results.

Details

Published in
AES Convention 126
AES Convention
126
Paper number
7756
Publication date
May 6, 2009
Session subject
Signal Processing
Affiliation
University of Jaén, Jaén, Spain (See document for exact affiliation information.)
Type
Convention Paper