'AT provides a new paradigm for speech recognition, and is expected to pave the way for applications of mechanical sensors to intelligent home health-monitoring systems.'
For those who have lost their voice due to surgery or some other condition, life can prove very difficult. Now, a team of researchers at Beijing's Tsinghua University has engineered a simple device that can give back speech to the voiceless.
The new tool is a one-centimeter square that can easily be attached to the throat to transform barely audible sounds and whispers into speech heard at normal audible volumes. The invention is called by the researchers a "graphene-based intelligent, wearable artificial throat” and is powered by a coin-sized battery.
"Its feasible [voice] fabrication process, stable performance, resistance to noise, and integrated vocalization make the AT a promising tool for next-generation speech recognition and interaction systems," Tianling said.graphene sensors are ideally suited for the detection of tiny vibrations on skin surfaces.
"Our intelligent AT provides a new paradigm for speech recognition, and is expected to pave the way for applications of mechanical sensors to intelligent home health-monitoring systems, wearable electronics, and even cryptographic security," he said.Researchers have recently been pursuing technologies for universal speech recognition and interaction that can work well with subtle sounds or noisy environments.
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