A small patch worn on the throat can pick up even silent speech and transmit it, which could help some people who cannot speak.
Technology
February 24, 2023
This throat patch can detect silent speech and act as a loudspeaker. Q. Yang et al.
A patch worn outside the throat can detect your speech and transmit it even when you speak words silently. It could help workers communicate in noisy environments or people with speech difficulties.
Some throat mics already exist, but they tend to be bulky and can only pick up vibrations from quiet speech, not words spoken quietly.
To improve this, Qishengyang at Tsinghua University in Beijing, China, and colleagues created a patch 25 microns thick and…