ECMA/TR 62 : 1ED 93

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