Smartspeaker 01 (IMAGE) University of Washington Caption Researchers at the University of Washington have developed an algorithm for a smart speaker or smartphone lets the device detect the sound of agonal breathing and call for help. Credit Sarah McQuate/University of Washington Usage Restrictions Must include credit License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.