Hey Alexa, how’s my heart rate?
Researchers at the University of Washington say they’ve devised a way to enable smart speakers to work as contact-free heart-rate monitors.
Their proof-of-concept uses algorithms that transform the smart speaker into a short-range active sonar system and measure heart rate and inter-beat intervals (R-R intervals) for both regular and irregular rhythms, according to a study published in Nature Communications Biology.
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