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  • DIN EN 1793-4 E : 2015

    Current The latest, up-to-date edition.

    ROAD TRAFFIC NOISE REDUCING DEVICES - TEST METHOD FOR DETERMINING THE ACOUSTIC PERFORMANCE - PART 4: INTRINSIC CHARACTERISTICS - IN SITU VALUES OF SOUND DIFFRACTION

    Available format(s):  Hardcopy, PDF

    Language(s):  English

    Published date:  01-01-2015

    Publisher:  German Institute for Standardisation (Deutsches Institut für Normung)

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

    National foreword
    Foreword
    Introduction
    1 Scope
    2 Normative references
    3 Terms, definitions and symbols
    4 Sound diffraction index difference
      measurements
    5 Measurement uncertainty
    6 Measuring procedure
    Annex A (informative) - Indoor measurements for
            product qualification
    Annex B (informative) - Measurement uncertainty
    Bibliography

    Abstract - (Show below) - (Hide below)

    Specifies a test method for determining the intrinsic characteristics of sound diffraction of added devices installed on the top of traffic noise reducing devices.

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

    Document Type Standard
    Publisher German Institute for Standardisation (Deutsches Institut für Normung)
    Status Current

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

    ISO 13472-1:2002 Acoustics Measurement of sound absorption properties of road surfaces in situ Part 1: Extended surface method
    ISO 354:2003 Acoustics — Measurement of sound absorption in a reverberation room
    EN 1793-3:1997 Road traffic noise reducing devices - Test method for determining the acoustic performance - Part 3: Normalized traffic noise spectrum
    ISO/IEC Guide 98:1993 Guide to the expression of uncertainty in measurement (GUM)
    IEC 60942:2003 Electroacoustics - Sound calibrators
    CEN/TS 1793-5 : 2003 ROAD TRAFFIC NOISE REDUCING DEVICES - TEST METHOD FOR DETERMINING THE ACOUSTIC PERFORMANCE - PART 5: INTRINSIC CHARACTERISTICS - IN SITU VALUES OF SOUND REFLECTION AND AIRBORNE SOUND INSULATION
    EN ISO 354:2003 Acoustics - Measurement of sound absorption in a reverberation room (ISO 354:2003)
    EN 61672-1:2013 Electroacoustics - Sound level meters - Part 1: Specifications
    EN 1793-6:2012 Road traffic noise reducing devices - Test method for determining the acoustic performance - Part 6: Intrinsic characteristics - In situ values of airborne sound insulation under direct sound field conditions
    EN 1793-1:2017 Road traffic noise reducing devices - Test method for determining the acoustic performance - Part 1: Intrinsic characteristics of sound absorption under diffuse sound field conditions
    IEC 61260:1995 Electroacoustics - Octave-band and fractional-octave-band filters
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