Weighted autocorrelation for pitch extraction of noisy speech

被引：154
|
作者：
Shimamura, T [1 ]
Kobayashi, H [1 ]
机构：
[1] Saitama Univ, Dept Informat & Comp Sci, Urawa, Saitama 3388570, Japan
来源：
IEEE TRANSACTIONS ON SPEECH AND AUDIO PROCESSING | 2001年 / 9卷 / 07期
关键词：
autocorrelation; noisy speech; pitch extraction;
D O I：
10.1109/89.952490
中图分类号：
O42 [声学];
学科分类号：
070206 ; 082403 ;
摘要：
In this paper, we propose a modified version of the autocorrelation pitch extraction method well known to be robust against noise. Utilizing that the average magnitude difference function (AMDF) has similar characteristics with the autocorrelation function, the autocorrelation function is weighted by the reciprocal of the AMDF By simulation experiments, it is shown that the proposed pitch extraction method is useful in noisy environments.
引用
收藏
页码：727 / 730
页数：4
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