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    I.S. EN ISO 9614-1:2009

    Current The latest, up-to-date edition.

    ACOUSTICS - DETERMINATION OF SOUND POWER LEVELS OF NOISE SOURCES USING SOUND INTENSITY - PART 1: MEASUREMENT AT DISCRETE POINTS

    Available format(s):  Hardcopy, PDF

    Language(s):  English

    Published date:  01-01-2009

    Publisher:  National Standards Authority of Ireland

    For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.
    Only cited Standards give presumption of conformance to New Approach Directives/Regulations.

    Dates of withdrawal of national standards are available from NSAI.

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

    1 Scope
    2 Normative references
    3 Definitions
    4 General requirements
    5 Acoustic environment
    6 Instrumentation
    7 Installation and operation of the source
    8 Measurement of normal sound intensity component levels
    9 Calculation of sound power level
    10 Information to be reported
    Annex A (normative) Calculation of field indicators
    Annex B (normative) Procedure for achieving a desired
            grade of accuracy
    Annex C (informative) Effects of airflow on measurement
            of sound intensity
    Annex D (informative) Effect of sound absorption within
            the measurement surface
    Annex E (informative) Bibliography
    Annex ZA (informative) Relationship between this European Standard
             and the Essential Requirements of EU Directive 98/37/EC
    Annex ZB (informative) Relationship between this European Standard
             and the Essential Requirements of EU Directive 2006/42/EC

    Abstract - (Show below) - (Hide below)

    Describes a method for measuring the component of sound intensity normal to a measurement surface which is chosen so as to enclose the noise source(s) of which the sound power level is to be determined.

    General Product Information - (Show below) - (Hide below)

    Document Type Standard
    Publisher National Standards Authority of Ireland
    Status Current
    Supersedes

    Standards Referencing This Book - (Show below) - (Hide below)

    ISO 3742:1988 Acoustics — Determination of sound power levels of noise sources — Precision methods for discrete-frequency and narrow-band sources in reverberation rooms
    ISO 2204:1979 Acoustics Guide to International Standards on the measurement of airborne acoustical noise and evaluation of its effects on human beings
    ISO 3744:2010 Acoustics Determination of sound power levels and sound energy levels of noise sources using sound pressure Engineering methods for an essentially free field over a reflecting plane
    IEC 60942:2003 Electroacoustics - Sound calibrators
    IEC 61043:1993 Electroacoustics - Instruments for the measurement of sound intensity - Measurements with pairs of pressure sensing microphones
    ISO 3747:2010 Acoustics Determination of sound power levels and sound energy levels of noise sources using sound pressure Engineering/survey methods for use in situ in a reverberant environment
    ISO 3740:2000 Acoustics Determination of sound power levels of noise sources Guidelines for the use of basic standards
    ISO 3746:2010 Acoustics Determination of sound power levels and sound energy levels of noise sources using sound pressure Survey method using an enveloping measurement surface over a reflecting plane
    ISO/TR 7849:1987 Acoustics Estimation of airborne noise emitted by machinery using vibration measurement
    ISO 5725:1986 Precision of test methods Determination of repeatability and reproducibility for a standard test method by inter-laboratory tests
    ISO 3741:2010 Acoustics Determination of sound power levels and sound energy levels of noise sources using sound pressure Precision methods for reverberation test rooms
    ISO 3745:2012 Acoustics — Determination of sound power levels and sound energy levels of noise sources using sound pressure — Precision methods for anechoic rooms and hemi-anechoic rooms
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