ISO Acoustics – Attenuation of Sound During Propagation Outdoors – Part 1: Calculation of the Absorption of Sound by the Atmosphere. Purchase your copy of ISO as a PDF download or hard copy directly from the official BSI Shop. All BSI British Standards available. You can verify the calculator using some validation data taken from Table 1 of ISO , and calculate attenuation due to atmospheric absorption at a distance.
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According to ISO the accuracy of the calculated pure-tone attenuation coefficients for atmospheric absorption is estimated using the following table:.
Calculation of the absorption of sound by the atmosphere Status: Canadian Acts and Regulations. Materials technology is vital to industrial competitiveness and innovation across all sectors including healthcare and the environment.
NPL Acoustics: Calculation of absorption of sound by the atmosphere
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Calculation of absorption of sound by the atmosphere
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Attenuation of sound during propagation outdoors General method of calculation. Canadian Council of Independent Laboratories. For pure-tones the standard specifies the attenuation coefficient 99613-1 a function of frequency, temperature, humidity and pressure. The Composites and Polymeric Materials Group use a broad range of measurement technology to understand material behaviour, supporting businesses of all sizes.
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