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In comparison with the traditional hand\u2010held electrolarynx, a wearable and intelligent artificial throat with sound\u2010sensing ability is a more comfortable and versatile method to assist disabled people with communication. Herein, a piezoresistive sensor with a novel configuration is demonstrated, which consists of polystyrene (PS) spheres as microstructures sandwiched between silver nanowires and reduced graphene oxide layers. In fact, changes in the device's conducting patterns are obtained by spay\u2010coating the various weight ratios and sizes of the PS microspheres, which is a fast and convenient way to establish microstructures for improving sensitivity. The wearable artificial throat device also exhibits high sensitivity, fast response time, and ultralow intensity level detection. Moreover, the device's excellent mechanical\u2013electrical performance allows it to detect subtle throat vibrations that can be converted into controllable sounds. In this case, an intelligent artificial throat is achieved by combining a deep learning algorithm with a highly flexible piezoresistive sensor to successfully recognize five different words (help, sick, patient, doctor, and COVID) with an accuracy exceeding 96%. Herein, new opportunities in voice control as well as other human\u2010machine interface applications are opened.<\/jats:p><\/jats:sec>","DOI":"10.1002\/aisy.202200427","type":"journal-article","created":{"date-parts":[[2023,4,6]],"date-time":"2023-04-06T05:05:07Z","timestamp":1680757507000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":36,"title":["Speech Recognition Using Intelligent Piezoresistive Sensor Based on Polystyrene Sphere Microstructures"],"prefix":"10.1002","volume":"5","author":[{"given":"Yuchi","family":"Liu","sequence":"first","affiliation":[{"name":"School of Electronic Science and Engineering University of Electronic Science and Technology of China  Chengdu 611731 China"},{"name":"James Watts School of Engineering University of Glasgow  Glasgow G12 8QQ UK"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Huaiyu","family":"Li","sequence":"additional","affiliation":[{"name":"School of 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