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

机译:残障人士使用触觉声音的字符输入系统

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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.
机译:本文介绍了使用牙齿触摸声音的残疾人字符输入系统的实现。所提出的系统具有多个优点,包括低廉的价格,易于处理和可靠性。首先,我们分析了使用骨传导麦克风获得的牙齿触摸声音的特性。我们将触摸牙齿的声音用作输入设备的控制信号。出于实际目的,我们开发了一种消除语音信号和白噪声的新颖方法。最后,我们在实践中使用FPGA(现场可编程门阵列)设计了一种设备,并将其应用于字符输入系统以确认其有用性。

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