Automatic integrated analysis of jaw and lip movement in speech production

被引：1

作者：

Borghese, NA ^{[1
]}

Ferrigno, G ^{[1
]}

Redolfi, M ^{[1
]}

Pedotti, A ^{[1
]}

机构：

[1] POLITECN MILAN,FDN PROJUVENTUTE,CTR BIOINGN,I-20133 MILAN,ITALY

来源：

JOURNAL OF THE ACOUSTICAL SOCIETY OF AMERICA | 1997年 / 101卷 / 01期

关键词：

D O I：

10.1121/1.419490

中图分类号：

O42 [声学];

学科分类号：

070206 ; 082403 ;

摘要：

A noninvasive methodology for studying the kinematics of speech production is presented. It is based on the tracking of very small and light passive markers attached to the subjects' face. Using a pair of TV cameras, the 3-D markers' positions are computed in real time, at a subpixel accuracy, by a dedicated hardware. From these data, the time course of a set of parameters which describe lip and jaw movement is computed; in addition, a semiautomatic procedure that identifies the exact onset and offset of the investigated sequences has been developed. To compare the results over different productions, a time normalization procedure based on a continuous inverse Fourier transform has been implemented. (C) 1997 Acoustical Society of America.

引用

页码：482 / 487

页数：6

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