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

Autor:	Koichi Kuzume
Rok vydání:	2008
Předmět:	Character (mathematics) Bone conduction Computer science Microphone Electronic engineering Input device White noise Field-programmable gate array Realization (systems) Signal
Zdroj:	Lecture Notes in Computer Science ISBN: 9783540705390 ICCHP
DOI:	10.1007/978-3-540-70540-6_174
Popis:	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.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::cc9230ff6f2dd744e4d7f8d6467e0b65 https://doi.org/10.1007/978-3-540-70540-6_174 Zobrazit plný text záznamu