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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Calculation of absorption of sound by the atmosphere
Classification system and qualification procedures for type testing of valves. For pure-tones the standard specifies the attenuation 961-31 as a function of frequency, temperature, humidity and pressure.
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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:. International Slurry Surfacing Association. Our factsheets are designed as a quick introduction to a subject that you can read online or download. We are already seeing a faster turnaround of measurement activities with higher accuracy and increased confidence.
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NPL Acoustics: Calculation of absorption of sound by the atmosphere
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