Electromagnetic articulograph (EMA) based on a non-parametric representation of the magnetic field

Tokihiko Kaburagi, Masaaki Honda

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Electromagnetic articulograph (EMA) systems are useful to study the motor control of speech articulators and also to construct models of the speech production process. In the EMA system,the position of the receiver coil is predicted on the basis of a field function representing a spatial pattern of the magnetic field in relation to the relative position between the transmitter and receiver coils. This paper presents a new method of representing the magnetic field by using a multivariate spline function to overcome the problem of the field pattern having local fluctuations caused by interference between the transmitting signals. A procedure for determining the receiver position is also presented,and the piecewise property of the basis functions enables the spline function to flexibly approximate the field pattern and to attain a high measurement accuracy: The mean error in estimating the receiver position was less than 0.1 mm for a 14 × 14-cm measurement area.

Original languageEnglish
Title of host publicationEUROSPEECH 2001 - SCANDINAVIA - 7th European Conference on Speech Communication and Technology
PublisherInternational Speech Communication Association
Pages1479-1482
Number of pages4
ISBN (Electronic)8790834100, 9788790834104
Publication statusPublished - 2001
Externally publishedYes
Event7th European Conference on Speech Communication and Technology - Scandinavia, EUROSPEECH 2001 - Aalborg, Denmark
Duration: 2001 Sep 32001 Sep 7

Other

Other7th European Conference on Speech Communication and Technology - Scandinavia, EUROSPEECH 2001
CountryDenmark
CityAalborg
Period01/9/301/9/7

Fingerprint

recipient
Magnetic fields
Splines
production process
fluctuation
Transmitters
interference

ASJC Scopus subject areas

  • Communication
  • Linguistics and Language
  • Computer Science Applications
  • Software

Cite this

Kaburagi, T., & Honda, M. (2001). Electromagnetic articulograph (EMA) based on a non-parametric representation of the magnetic field. In EUROSPEECH 2001 - SCANDINAVIA - 7th European Conference on Speech Communication and Technology (pp. 1479-1482). International Speech Communication Association.

Electromagnetic articulograph (EMA) based on a non-parametric representation of the magnetic field. / Kaburagi, Tokihiko; Honda, Masaaki.

EUROSPEECH 2001 - SCANDINAVIA - 7th European Conference on Speech Communication and Technology. International Speech Communication Association, 2001. p. 1479-1482.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Kaburagi, T & Honda, M 2001, Electromagnetic articulograph (EMA) based on a non-parametric representation of the magnetic field. in EUROSPEECH 2001 - SCANDINAVIA - 7th European Conference on Speech Communication and Technology. International Speech Communication Association, pp. 1479-1482, 7th European Conference on Speech Communication and Technology - Scandinavia, EUROSPEECH 2001, Aalborg, Denmark, 01/9/3.
Kaburagi T, Honda M. Electromagnetic articulograph (EMA) based on a non-parametric representation of the magnetic field. In EUROSPEECH 2001 - SCANDINAVIA - 7th European Conference on Speech Communication and Technology. International Speech Communication Association. 2001. p. 1479-1482
Kaburagi, Tokihiko ; Honda, Masaaki. / Electromagnetic articulograph (EMA) based on a non-parametric representation of the magnetic field. EUROSPEECH 2001 - SCANDINAVIA - 7th European Conference on Speech Communication and Technology. International Speech Communication Association, 2001. pp. 1479-1482
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