peak sound pressure

peak sound pressure

The maximum instantaneous sound pressure (a) for a transient or impulsive sound of short time duration, or (b) for a sound of long duration, over a specified time interval.
References in periodicals archive ?
The peak sound pressure level at 6 meters was 109 dB (A).
But in this year's licensing conditions, the local authority state: "The peak sound pressure level in any public area of the site shall not exceed 140 decibels.
Peak sound pressure level for firearms varies, but when measured in the vicinity of a shooter's ear, it usually hits from 150 to 170 db.
Cpk] (C-weighted peak sound pressure level) > 135 A-weighted decibels [dB(A)]}.
In each case, a daily, or weekly, average noise exposure value dB(A) is accompanied by a peak sound pressure value (ppeak) to take account of high instantaneous noise levels.
1 In December 1980, industrial hygienists with the Occupational Environmental Health Service, Naval Regional Medical Center, Jacksonville, Florida, conducted impact noise measurements during weapons firing at the Federal Law Enforcement Training Center (FLETC), Glynco, Georgia (outdoor range); in April 1984, a private firm measured peak sound pressure levels in the FLETC indoor firearms range; in July 1991, the authors conducted similar tests at the U.