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  • NF EN ISO 11904-2 : 2005

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    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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    ACOUSTICS - DETERMINATION OF SOUND IMMISSIONS FROM SOUND SOURCES PLACED CLOSE TO THE EAR - PART 2: TECHNIQUE USING A MANIKIN (MANIKIN-TECHNIQUE)

    Available format(s): 

    Superseded date:  17-03-2023

    Language(s): 

    Published date:  12-01-2013

    Publisher:  Association Francaise de Normalisation

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

    Foreword
    Introduction
    1 Scope
    2 Normative references
    3 Terms and definitions
    4 Measurement principle
    5 Instrumentation
      5.1 Manikin (head and torso simulator)
      5.2 Check of calibration
      5.3 Filters
    6 Determination of free-field or diffuse-field related
      equivalent continuous A-weighted sound pressure level
      6.1 Measurement of manikin sound pressure level
      6.2 Conversion to free-field or diffuse-field related
          sound pressure level
      6.3 A-weighting and summation
    7 Test report
    Annex A (informative) Example of sources of measurement
                          uncertainty
    Annex B (informative) Example of an uncertainty analysis
    Bibliography

    Abstract - (Show below) - (Hide below)

    States basic framework measurement methods for sound immission from sound sources placed close to the ear. Applies to exposure to sound from sources close to the ear, for example during equipment tests or at the workplace to sound from earphones or hearing protectors with audiocommunication facilities.

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    Development Note Indice de Classement: S31-066-2 PR NF EN ISO 11904-2 April 2002. (02/2002)
    Document Type Standard
    Publisher Association Francaise de Normalisation
    Status Superseded
    Superseded By

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

    NF EN 61260 : 96 AMD 1 2002 ELECTROACOUSTICS - OCTAVE-BAND AND FRACTIONAL-OCTAVE-BAND FILTERS
    IEC 60942:2003 Electroacoustics - Sound calibrators
    NF EN 60942 : 2003 ELECTROACOUSTICS - SOUND CALIBRATORS
    NF EN 61672-1 : 2014 ELECTROACOUSTICS - SOUND LEVEL METERS - PART 1: SPECIFICATIONS
    IEC 61260:1995 Electroacoustics - Octave-band and fractional-octave-band filters
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