peak pressure peak pressurethe range in pressure between zero and the greatest pressure of the signal. Related Articles: Glossary: impulsive soundGlossary: dB peakWhat are soundscapes?Pile drivingSeismic AirgunsTutorial: Seismic AirgunUnits Page for RegulatorsScience Tutorial: Sound Pressure Levels and Sound Exposure Levels Chris Knowlton2017-02-26T20:10:10-05:00