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ISO 9613-1:1993

Current Revision

Acoustics - Attenuation of sound during propagation outdoors - Part 1: Calculation of the absorption of sound by the atmosphere

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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.


SDO ISO: International Organization for Standardization
Document Number ISO 9613
Publication Date Not Available
Language en - English
Page Count
Revision Level
Supercedes
Committee ISO TC 43/SC 1
Publish Date Document Id Type View
Not Available ISO 9613-1:1993 Revision