Action shot of a person throwing a disc (IMAGE) Acoustical Society of America Caption Action shot of a person throwing a disc. This athletic pastime can help teach valuable lessons about signal processing by measuring the disc’s sound as it flies. Credit Kyle S. Dalton Usage Restrictions Journalists may use this image only with appropriate credit and when reporting on this research. License Original 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.