This paper describes a new method for measuring the tongue-palatal contact pressure using a thin pressure sensor and its application for speech research. The new pressure sensor is composed of thin pressure sensitive ink whose electrical resistance is proportional to the physical forces applied to the sensor. Several sensors were arranged on the surface of the palatal plate. This setup was used to measure the tongue pressure toward the hard palate during closure for Japanese stop consonants [t] and [d]. Results obtained from 10 Japanese subjects showed the tongue-palatal contact pressure for [t] to be stronger than that for [d]. In addition, the sensors placed on the non-contact area showed no pressure change, indicating negligible effects of intra-oral air pressure during consonantal closure.
Cite as: Wakumoto, M., Masaki, S., Honda, K., Ohue, T. (1998) A pressure sensitive palatography: application of new pressure sensitive sheet for measuring tongue-palatal contact pressure. Proc. 5th International Conference on Spoken Language Processing (ICSLP 1998), paper 0457, doi: 10.21437/ICSLP.1998-811
@inproceedings{wakumoto98_icslp,
author={Masahiko Wakumoto and Shinobu Masaki and Kiyoshi Honda and Toshikazu Ohue},
title={{A pressure sensitive palatography: application of new pressure sensitive sheet for measuring tongue-palatal contact pressure}},
year=1998,
booktitle={Proc. 5th International Conference on Spoken Language Processing (ICSLP 1998)},
pages={paper 0457},
doi={10.21437/ICSLP.1998-811}
}