ENGLISH

ISO 9613-1:1993, Acoustics - Attenuation of sound during propagation outdoors - Part 1: Calculation of the absorption of sound by the atmosphere

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Book information

Year
1993
Language
english
Format
PDF
Filesize
8 MB (8666105 bytes)
Pages
30\37
Time added
2022-08-30 11:19:27

Description

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 (-20C to +50C), 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.

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