New speech harmonic structure measure and its applications to speech processing

被引：0

作者：

Yu, An-Tze ^{[1
,2
]}

Wang, Hsiao-Chuan ^{[3
,4
]}

机构：

[1] Department of Computer Science, National Chupei Senior High School, Hsinchu, Taiwan

[2] No. 3, Jungyang Rd., Jubei City, Hsinchu, 302, Taiwan

[3] Department of Electrical Engineering, National Tsing Hua University, Hsinchu, Taiwan

[4] 101, Sec. 2, Kuang Fu Road, Hsinchu, 30055, Taiwan

来源：

Journal of the Acoustical Society of America | 2006年 / 120卷 / 05期

关键词：

The harmonic structure can be easily recognized in time-frequency representation of speech signals in adverse environment. The harmonicity is a measure of the completeness of a harmonic structure. This paper presents a new harmonic structure measure that extends the conventional harmonicity to a set of harmonicities. They are expressed in terms of the grid harmonicity; the temporal harmonicity; the segment-spectral harmonicity; and the segmental harmonicity. The grid harmonicity measures the completeness of individual harmonics in each frame. The grid harmonicities in a frame are summed up to form a temporal harmonicity for representing the strength of harmonicity. The segment-spectral harmonicity; computed by summing specific grid harmonicity over a segment; evaluates the integrity of individual harmonics across a segment. The segmental harmonicity evaluates the total strength of harmonic structure within a segment. This set of harmonicities is available for a systematic analysis of the harmonic structure and effective to several speech processing tasks. The applications to speech distortion analysis; robust fundamental frequency estimation; robust voicing detection; and speech enhancement are demonstrated. © 2006 Acoustical Society of America;

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摘要：

Journal article (JA)

引用

页码：2938 / 2949

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