ISO 9613-1 PDF

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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Acoustics — Attenuation of sound during propagation outdoors — Part 1: Biotechnology NPL’s Biotechnology Group specialises in the measurement of biomolecules and the study of their interactions in solution, at interfaces and inside cells.

Calculation of absorption of sound by the atmosphere

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ISO 9613-1:1993

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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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