Pitch detection with average magnitude difference function using adaptive threshold algorithm for estimating shimmer and jitter

被引：0
|
作者：
Kim, HY [1 ]
Lee, JS [1 ]
Sung, MW [1 ]
Kim, KH [1 ]
Park, KS [1 ]
机构：
[1] Seoul Natl Univ, Coll Med, Dept Otorhinolaryngol Head & Neck Surg, Seoul, South Korea
来源：
PROCEEDINGS OF THE 20TH ANNUAL INTERNATIONAL CONFERENCE OF THE IEEE ENGINEERING IN MEDICINE AND BIOLOGY SOCIETY, VOL 20, PTS 1-6: BIOMEDICAL ENGINEERING TOWARDS THE YEAR 2000 AND BEYOND | 1998年 / 20卷
关键词：
jitter; shimmer; pitch detection; average magnitude difference function;
D O I：
暂无
中图分类号：
R5 [内科学];
学科分类号：
1002 ; 100201 ;
摘要：
In order to estimate jitter and shimmer, we suggest the method for the detection of precise pitch and amplitude of voiced speech signal. After low-pass filtering, voiced / unvoiced decision and pitch detection is performed using average magnitude difference function (AMDF). We find minimum value at t = tau and also check the possible minimum value at t = tau/2, tau/3, tau/4, tau/5, tau/6. By the application of adaptive threshold, we can estimate pitch more accurately than uniquely applied threshold.
引用
收藏
页码：3162 / 3165
页数：4
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