DIN EN ISO 4869-2:2015-01 (Draft)
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
ACOUSTICS - HEARING PROTECTORS - ESTIMATION OF EFFECTIVE A-WEIGHTED SOUND PRESSURE LEVELS WHEN HEARING PROTECTORS ARE WORN
Hardcopy , PDF
10-01-2019
German
01-01-2015
Foreword
Introduction
1 Scope
2 Normative references
3 Definitions
4 Measurement of sound attenuation of hearing protectors
5 Calculation of the assumed protection value APV[fx] of a
hearing protector for a selected protection performance
6 Octave-band method
7 HML method
8 SNR method
Annex A (informative) Example of the calculation of the
assumed protection values, APV[fx]
Annex B (informative) Example of the calculation of L'[Ax]
according to the octave-band method
Annex C (informative) Example of calculation and use of H,
M and L values
Annex D (informative) Example of the calculation and use
of SNR values
Annex E (informative) Bibliography
Annex ZA (normative) Normative references to international
publications with their relevant European publications
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