Futurity March 10, 2021
Researchers have figured out how to have a smart speaker monitor both regular and irregular heartbeats without physical contact.
Smart speakers, such as Amazon Echo and Google Home, have already proven adept at monitoring certain health care issues at home, such as detecting cardiac arrest and monitoring babies breathing.
The new system sends inaudible sounds from the speaker out into a room and, based on the way the sounds are reflected back to the speaker, it can identify and monitor individual heartbeats. Because the heartbeat is such a tiny motion on the chest surface, the team’s system uses machine learning to help the smart speaker locate signals from both regular and irregular heartbeats.
As reported in Communications Biology, when the...
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