Laura and Rich Ruhala (IMAGE) Acoustical Society of America Caption During the 180th ASA Meeting, Laura and Rich Ruhala will talk about how various types of face coverings may affect students' understanding of their teacher. Credit Jason Getz, Kennesaw State University Usage Restrictions Journalists may use this image only with appropriate 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.