1 Scope
2 References
3 Acoustical terminology
3.1 General
3.2 The nature of sound
3.3 The decibel scale
4 Glossary
4.1 Sound pressure, p, in pascals
4.2 Sound pressure level, L[P], in decibels
4.2.1 Single machine
4.2.2 Adding sound pressure levels
4.3 Equivalent continuous sound pressure level,
L[peq], in decibels
4.4 A-weighted sound pressure level, L[pA], in
decibels
4.5 C-weighted peak sound pressure level,
L[pC[peak]], in decibels
4.6 Sound power, W, in watts
4.7 The sound power level, L[W] in decibels
4.8 A-weighted sound power level, L[WA], in decibels
4.9 Noise emission
4.10 Emission sound power level and sound pressure
level
4.11 Declared noise emission values
4.11.1 Declared sound power level, L[WAd], in
bets
4.11.2 Declared sound pressure level, L[pAm],
in decibels
4.12 Noise immission
4.13 Rating sound level, L[r], in decibels
5 Noise emission versus noise immission
6 Product categories
6.1 General
6.2 Description of product categories
7 Product noise emission
7.1 Declaration of product noise emission
7.2 European product noise emission declaration
requirement
7.3 European requirement for work with display
screen equipment
7.4 Product noise emission specifications
8 User environments
8.1 Manufacturing/Utility Area
8.2 Data Processing Area
8.3 General Business Area
8.4 Commercial (or Special) Office Area
8.5 Quit Office/Professional Office Area
9 Work station requirements
Annex A Addition of noise levels
Annex B Interrelationship
Annex C Product noise emission declaration - Examples
of noise emission declarations
Annex D Product noise emission value for categories
of computer and business equipment
Annex E Recommended upper limits of declared sound
power values