Effects of Time Windowing for Extraction of Expression from Japanese Speech: Higuchi's Fractal Dimension

被引：0

作者：

Phothisonothai, Montri ^{[1
]}

Arita, Yasunori ^{[2
]}

Watanabe, Katsumi ^{[1
]}

机构：

[1] Univ Tokyo, Res Ctr Adv Sci & Technol, Tokyo 1538904, Japan

[2] Dai Nippon Printing Co Ltd, Tokyo 1628001, Japan

来源：

2013 13TH INTERNATIONAL SYMPOSIUM ON COMMUNICATIONS AND INFORMATION TECHNOLOGIES (ISCIT): COMMUNICATION AND INFORMATION TECHNOLOGY FOR NEW LIFE STYLE BEYOND THE CLOUD | 2013年

基金：

日本科学技术振兴机构; 日本学术振兴会;

关键词：

Intonation; Expression; Speech; Fractals; Physiological reaction; Higuchi's method; RECOGNITION;

D O I：

暂无

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

Measures of irregularity and complexity in timeseries data can be quantified by using fractal dimension (FD) which may convey useful information and showing a strong correlation with the physiological data, e.g., speech. The timedependent FD (TDFD) has been proven to be effective method in various physiological studies. However, the TDFD result depends on the time windowing, i.e., length and type which could provide different features. Therefore, in this paper, the effects of time windowing of TDFD by spanning 28 to 212 -point length and four window functions were investigated. The FD was computed by using Higuchi's method. In experiment, speech data recorded from 15 Japanese utterances, 4 different ways of expression ( accosting, wholehearted, normal, and uninterested). The obtained results were useful in selecting time windowing based on TDFD method in which could extract different intonations effectively.

引用

页码：665 / 668

页数：4

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