This AI Uses Echolocation to Identify What You're Doing
This AI Uses Echolocation to Identify What You're Doing
Science, Spoken · SpokenLayer
May 29, 20195m 26s
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Show Notes
Guo Xinhua wants to teach computers to echolocate. He and his colleagues have built a device, about the size of a thin laptop, that emits sound at frequencies 10 times higher than the shrillest note a piccolo can sustain. The pitches it produces are inaudible to the human ear. When Guo’s team aims the device at a person and fires an ultrasonic pitch, the gadget listens for the echo using its hundreds of embedded microphones.
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