ISO 9613-1:1993 Preview
Acoustics -- Attenuation of sound during propagation outdoors -- Part 1: Calculation of the absorption of sound by the atmosphere
This standard was last reviewed and confirmed in 2015. Therefore this version remains current.
Specifies an analytical method of calculating the attenuation of sound as a result of atmospheric absorption for a variety of meteorological conditions. For pure-tone sounds, attenuation due to atmospheric absorption is specified in terms of an attenuation coefficient as a function of the frequency of the sound (50 Hz to 10 kHz), the temperature (- 20 °C to + 50 °C), the relative humidity (10 % to 100 %) and pressure (101,325 kPa) of the air. Formulae are also given for wider ranges (e.g. ultrasonic frequencies, lower pressure) and for other than pure tones.
General information
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Status : PublishedPublication date : 1993-06
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Edition : 1Number of pages : 26
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- ICS :
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Acoustic measurements and noise abatement in general
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Life cycle
A standard is reviewed every 5 years
Revisions / Corrigenda
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Now confirmed
ISO 9613-1:1993
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