ISO 9613-1:1993

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

Publication date: 3 qer 1993

General information

Current stage: 90.93 Effective date: 10 korr 2026

Originator: ISO

Owner: ISO/TC 43/SC 1

Type: International Standard

ICS: 17.140.01

Gjuha: frëngjisht anglisht

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Statusi: Publikuar

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Scope

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.

Life cycle

NOW

PUBLISHED
ISO 9613-1:1993
90.93 Standard confirmed
10 korr 2026