propagation propagationthe movement of sound through a medium. Related Articles: Ship Quieting TechnologiesTutorial: Sound Levels at Distance and DepthCommercial Vessel TrafficHow is sound used to transmit data underwater?Sound Speed MinimumPile drivingHow are sounds made?Seismic AirgunsWind TurbinePile Driving Chris Knowlton2017-09-29T15:29:34-05:00