dB peak dB peaka unit of relative pressure when the pressure of the sound wave is characterized as the peak pressure. Related Articles: Glacial Calving in the Arctic Produces Record Source Levels – March 15, 2022Airgun TechnologyIntroduction to Signal LevelsTutorial: Pile DrivingSound Pressure Levels and Sound Exposure LevelsScience Tutorial: Sound Pressure Levels and Sound Exposure Levels Chris Knowlton2017-02-26T20:10:10-05:00