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  • I.S. EN ISO 12999-2:2020

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    Acoustics - Determination and application of measurement uncertainties in building acoustics - Part 2: Sound absorption (ISO 12999-2:2020)

    Available format(s):  Hardcopy, PDF

    Language(s):  English

    Published date:  27-07-2020

    Publisher:  National Standards Authority of Ireland

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    Table of Contents - (Show below) - (Hide below)

    Foreword
    Introduction
    1 Scope
    2 Normative references
    3 Terms and definitions
    4 General approach
    5 Standard uncertainties in one-third octave bands
    6 Standard uncertainties for the practical sound absorption coefficient
    7 Standard uncertainties of single number values
    8 Reporting uncertainties
    Bibliography

    Abstract - (Show below) - (Hide below)

    This document specifies how to calculate: — the uncertainty of sound absorption coefficients and equivalent sound absorption areas measured according to ISO 354; — the uncertainty of the practical and weighted sound absorption coefficients determined according to ISO 11654; — the uncertainty of the object sound absorption coefficient according to ISO 20189; and — the uncertainty of the single number rating determined according to EN 1793-1.

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    Committee TC 43
    Document Type Standard
    Product Note The date of any NSAIprevious adoption may not matchthe date of its original CEN/CENELEC document.
    Publisher National Standards Authority of Ireland
    Status Current
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