MIT is making a device that can 'hear' the words you say silently
The prototype system, as it exists right now, looks like a white headset a telemarketer might wear. But instead of a mic hovering in front of their lips, it sticks to the face and neck, where a handful of electrodes pick up the miniscule electrical signals generated by the subtle internal muscle motions that occur when you silently talk to yourself. The device connects via Bluetooth to a computer, which then communicates with a server that interprets the signals to determine what words the wearer is articulating.
It’s very much in the prototype stage, though it represents a fascinating departure from the norm. We most often interact with our devices by touching them—typing on a smartphone, pressing on an app, or double tapping the side of Apple’s AirPods to pause or play music. Or, we talk to our gadgets or smart speakers by engaging with digital helpers like Siri, Alexa, or the Google Assistant. Those services require more from you than speaking silently to yourself. Put another way: this type of tech is like having a simpler version of Siri hear your silent whispers.
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