Multi-pitch estimation

被引：74

作者：

Christensen, Mads Graesboll ^{[1
]}

Stoica, Petre ^{[2
]}

Jakobsson, Andreas ^{[3
]}

Jensen, Soren Holdt ^{[1
]}

机构：

[1] Aalborg Univ, Dept Elect Syst, DK-9220 Aalborg, Denmark

[2] Uppsala Univ, Dept Informat Technol, SE-75105 Uppsala, Sweden

[3] Karlstad Univ, Dept Elect Engn, SE-65188 Karlstad, Sweden

来源：

SIGNAL PROCESSING | 2008年 / 88卷 / 04期

关键词：

parameter estimation; estimation theory; pitch estimation; fundamental frequency estimation; periodic signals;

D O I：

10.1016/j.sigpro.2007.10.014

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：

In this paper, we formulate the multi-pitch estimation problem and propose a number of methods to estimate the set of fundamental frequencies. The proposed methods, based on the nonlinear least-squares (NLS), Multiple Signal Classification (MUSIC) and the Capon principles, estimate the multiple fundamental frequencies via a number of one-dimensional searches. We also propose an iterative method based on the Expectation Maximization (EM) algorithm. The statistical properties of the methods are evaluated via Monte Carlo simulations for both the single- and multi-pitch cases. (c) 2007 Elsevier B.V. All rights reserved.

引用

页码：972 / 983

页数：12

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