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?Explosive Sound Sources TechnologyIntroduction to Signal LevelsPile drivingTutorial: Pile DrivingSeismic AirgunsTutorial: Seismic AirgunSound Pressure Levels and Sound Exposure Levels Chris Knowlton2017-02-26T20:10:10-05:00