Researchers claim masks muffle speech, but not enough to impede speech recognition

Health organizations including the U.S. Centers for Disease Control and Prevention, the World Health Organization, and the U.K. National Health Service advocate wearing masks to prevent the spread of infection. But masks attenuate speech, which has implications for the accuracy of speech recognition systems like Google Assistant, Alexa, and Siri. In an effort to quantify the degree to which mask materials impact acoustics, researchers at the University of Illinois conducted a study examining…

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