Breaking Waves Generate Low-frequency Sound (IMAGE) University of Hawaii at Manoa Caption Breaking waves generate low-frequency sound in the ocean in addition to other natural and man-made sources. In the layer of water at the depth of minimal speed of sound (deep sound channel), low-frequency sound can travel thousands of kilometers in the ocean. Credit Photo credit Steven Businger Usage Restrictions None 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.