propagation propagationthe movement of sound through a medium. Related Articles: Ship Quieting TechnologiesWhat are common underwater sounds?DOSITS WebinarsTutorial: Sound Levels at Distance and DepthCommercial Vessel TrafficSound SpreadingSound Speed MinimumHow is sound used to transmit data underwater?Why does sound get weaker as it travels?Sound Absorption Chris Knowlton2017-09-29T15:29:34-05:00