Maximum instantaneous sound pressure level

Definition

An indicator that describes the highest instantaneous sound pressure value recorded during a measurement, calculated in decibels (dB), and shows short-term but intense sound peaks

Importance and Essence

This indicator helps assess the impact of sudden noise bursts on hearing, which can cause acute damage even in a very short time.

Where Used

Occupational Health and Safety Assessments

Noise control of industrial facilities

Environmental research