Automatic integrated analysis of jaw and lip movement in speech production

The Journal of the Acoustical Society of America
N A BorgheseA Pedotti

Abstract

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.

References

May 1, 1979·The Journal of the Acoustical Society of America·F Bell-Berti, K S Harris
Dec 1, 1992·The Journal of the Acoustical Society of America·J S PerkellM T Jackson
Dec 1, 1990·IEEE Transactions on Bio-medical Engineering·N A Borghese, G Ferrigno
Nov 1, 1985·IEEE Transactions on Bio-medical Engineering·G Ferrigno, A Pedotti
Oct 1, 1970·The Journal of the Acoustical Society of America·H M Sussman, K U Smith
Feb 1, 1982·The Journal of the Acoustical Society of America·J Lubker, T Gay
Sep 1, 1981·The Journal of the Acoustical Society of America·B C SoniesS B Leighton

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