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NF EN ISO 11904-2 : 2005

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

View Superseded by

ACOUSTICS - DETERMINATION OF SOUND IMMISSIONS FROM SOUND SOURCES PLACED CLOSE TO THE EAR - PART 2: TECHNIQUE USING A MANIKIN (MANIKIN-TECHNIQUE)

Superseded date

17-03-2023

Superseded by

NF EN ISO 11904-2:2021

Published date

12-01-2013

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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

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.

DevelopmentNote
Indice de Classement: S31-066-2 PR NF EN ISO 11904-2 April 2002. (02/2002)
DocumentType
Standard
PublisherName
Association Francaise de Normalisation
Status
Superseded
SupersededBy

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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