Ambient sound pressure level definition

Ambient sound pressure level means the sound pressure level of the all-encompassing noise associated with a given environment, usually a composite of sounds from many sources, It is also the A-weighted sound pressure level exceeded ninety percent of the time based on a measurement period which shall not be less than ten minutes.
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Ambient sound pressure level means the sound pressure level or the all-
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Ambient sound pressure level means the sound pressure level or the all- encompassing noise associated with a given environment usually a composite of sounds from many sources.
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Examples of Ambient sound pressure level in a sentence

  • Ambient sound pressure level is the all-encompassing noise associated with a given environment, being usually a composite of sounds from many sources, near and far, statistically equivalent to L90; the percentile noise level exceeded 90 percent of the time based on any measurement period of not less than ten minutes or more than 30 minutes.

  • The standard notation is dB (A) or dBA.(b) Ambient sound pressure level: The sound pressure level of the all-encompassing noise associated with a given environment, usually a composite of sounds from many sources.

  • Ambient sound pressure level shall be obtained in the same manner as described above during periods of ambient conditions.

  • All terminologyused in thischapterandnotdefined inthissection shall beinconformance withapplicable American NationalStandardsInstitute publications orthose fromitssuccessorpublicationsorbodies.Forthepurposes of thischapter, certainwordsandphrasesusedinthischapterare definedasfollows: Ambient sound pressure level means the sound pressure level of the all- encompassing noise associated with a given environment, usually a composite of sounds from many sources.

  • Ambient sound pressure level means the sound pressure level of the all-encompassing noise associatedwith a given environment, usually a composite of sounds from many sources.


More Definitions of Ambient sound pressure level

Ambient sound pressure level means the sound pressure level which represents the summation of the sound from all the discrete sources affecting a given site at a given time, exclusive of extraneous sounds and those from the source under investigation. Ambient sound level is often referred to as neighborhood residual sound level or background sound pressure level. Ambient sounds are different than extraneous sounds by the fact that the former are of a more steady state, although they may not be continuous.
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Ambient sound pressure level means the sound pressure level of the all encompassing noise associated with a given environment usually a composite of sounds from many sources. It is also the A-weighted sound pressure level exceeded ninety (90) per cent of the time based on a measurement period of not less than ten (10) minutes nor more than thirty (30) minutes.
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Related to Ambient sound pressure level

  • Sound pressure level means twenty times the logarithm to the base 10 of the ratio of the effective pressure (µPa) of a sound to the reference pressure of 20 µPa;

  • Ambient air means that portion of the atmosphere, external to buildings, to which the general public has access.

  • Sound level meter means an instrument which includes a microphone, amplifier, RMS detector, integrator or time averager, output meter, and weighting networks used to measure sound pressure levels.

  • Cubic foot of gas means the amount of gas required to fill a cubic foot of space when the gas is at an absolute pressure of fourteen and seventy-three hundredths (14.73) pounds per square inch at a temperature of sixty (60) degrees Fahrenheit.