Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Symbols and abbreviations
5 Types of hearing protection devices
6 Selection
7 Use
8 Care and maintenance
Annex A (normative) - Methods for assessing the sound
attenuation of a passive hearing protector
Annex B (normative) - Method for assessing the sound
attenuation of a hearing protector for impulsive
noise
Annex C (normative) - Selection method for non-passive
sound-restoration level-dependent ear muffs and ear
plugs using HML-data
Annex D (normative) - Selection method for active noise
reduction ear muffs and ear plugs
Annex E (normative) - Calculation method for hearing
protectors with audio input
Annex F (informative) - Improving field performance
and special instructions for use
Annex G (informative) - Methods for the individual
quality fit of custom moulded ear plugs
Annex H (informative) - Noise Types