An intelligent artificial throat with sound-sensing ability based on laser induced graphene

Lu-Qi Tao, He Tian, Ying Liu, Zhen-Yi Ju, Yu Pang, Yuan-Quan Chen, Dan-Yang Wang, Xiang-Guang Tian, Jun-Chao Yan, Ning-Qin Deng, Yi Yang () and Tian-Ling Ren ()
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Lu-Qi Tao: Institute of Microelectronics and Tsinghua National Laboratory for Information Science and Technology (TNList), Tsinghua University
He Tian: Institute of Microelectronics and Tsinghua National Laboratory for Information Science and Technology (TNList), Tsinghua University
Ying Liu: Institute of Microelectronics and Tsinghua National Laboratory for Information Science and Technology (TNList), Tsinghua University
Zhen-Yi Ju: Institute of Microelectronics and Tsinghua National Laboratory for Information Science and Technology (TNList), Tsinghua University
Yu Pang: Institute of Microelectronics and Tsinghua National Laboratory for Information Science and Technology (TNList), Tsinghua University
Yuan-Quan Chen: Institute of Microelectronics and Tsinghua National Laboratory for Information Science and Technology (TNList), Tsinghua University
Dan-Yang Wang: Institute of Microelectronics and Tsinghua National Laboratory for Information Science and Technology (TNList), Tsinghua University
Xiang-Guang Tian: Institute of Microelectronics and Tsinghua National Laboratory for Information Science and Technology (TNList), Tsinghua University
Jun-Chao Yan: Institute of Microelectronics and Tsinghua National Laboratory for Information Science and Technology (TNList), Tsinghua University
Ning-Qin Deng: Institute of Microelectronics and Tsinghua National Laboratory for Information Science and Technology (TNList), Tsinghua University
Yi Yang: Institute of Microelectronics and Tsinghua National Laboratory for Information Science and Technology (TNList), Tsinghua University
Tian-Ling Ren: Institute of Microelectronics and Tsinghua National Laboratory for Information Science and Technology (TNList), Tsinghua University

Nature Communications, 2017, vol. 8, issue 1, 1-8

Abstract: Abstract Traditional sound sources and sound detectors are usually independent and discrete in the human hearing range. To minimize the device size and integrate it with wearable electronics, there is an urgent requirement of realizing the functional integration of generating and detecting sound in a single device. Here we show an intelligent laser-induced graphene artificial throat, which can not only generate sound but also detect sound in a single device. More importantly, the intelligent artificial throat will significantly assist for the disabled, because the simple throat vibrations such as hum, cough and scream with different intensity or frequency from a mute person can be detected and converted into controllable sounds. Furthermore, the laser-induced graphene artificial throat has the advantage of one-step fabrication, high efficiency, excellent flexibility and low cost, and it will open practical applications in voice control, wearable electronics and many other areas.

Date: 2017
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DOI: 10.1038/ncomms14579

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