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A Character Input System Using Tooth-Touch Sound for Disabled People

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Book cover Computers Helping People with Special Needs (ICCHP 2008)

Part of the book series: Lecture Notes in Computer Science ((LNISA,volume 5105))

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Abstract

This paper presents the realization of a character input system for disabled people using tooth-touch sound. The proposed system had several advantages, including low price, ease of handling, and reliability. First, we analyzed the characteristics of the tooth-touch sound, obtained using a bone conduction microphone. We utilized the tooth-touch sound as a control signal for the input device. For practical purposes, we developed a novel method for eliminating the voice signal and white noise. Finally, we designed a device using the FPGA (Field Programmable Gate Array) in practice and applied it to the character input system to confirm its usefulness.

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References

  1. Welling, D.J., Unsworth, J.: Fortnightly review: Environmental Control Systems for Peopled with a Disability: An Update. British Medical Journal 315, 409–412 (1997)

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  2. Crag, A., MaIsaac, P., et al.: Mind over Matter: Brain Signals and Control of Electrical Devices. Today’s Life Science 9, 12–15 (1997)

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  3. Kuzume, K., et al.: Hands-free Man-Machine Interface Device Using Tooth-touch Sound for Disabled People. In: Proc. the 6th International Conference on Disability, Virtual Reality and Associated Technology, pp. 147–152 (2006)

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Authors and Affiliations

  1. Yuge National College of Technology, 1000 Yuge Kamishima-cho, Ochi-gun Ehime-ken, Japan

    Koichi Kuzume

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  1. Koichi Kuzume
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Klaus Miesenberger Joachim Klaus Wolfgang Zagler Arthur Karshmer

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© 2008 Springer-Verlag Berlin Heidelberg

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Kuzume, K. (2008). A Character Input System Using Tooth-Touch Sound for Disabled People. In: Miesenberger, K., Klaus, J., Zagler, W., Karshmer, A. (eds) Computers Helping People with Special Needs. ICCHP 2008. Lecture Notes in Computer Science, vol 5105. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-70540-6_174

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  • DOI: https://doi.org/10.1007/978-3-540-70540-6_174

  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-540-70539-0

  • Online ISBN: 978-3-540-70540-6

  • eBook Packages: Computer ScienceComputer Science (R0)

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