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BS EN 12354-4:2000

BS EN 12354-4:2000

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

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superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

Building acoustics. Estimation of acoustic performance in buildings from the performance of elements Transmission of indoor sound to the outside

Available format(s)

Hardcopy , PDF

Superseded date

09-30-2017

Language(s)

English

Published date

11-15-2000

Publisher

British Standards Institution

Foreword
1 Scope
2 Normative references
3 Relevant quantities
      3.1 Quantities to express building performance
             3.1.1 Sound power level Lw
             3.1.2 Directivity correction Dc
      3.2 Quantities to express element performance
             3.2.1 Sound reduction index R
             3.2.2 Element normalized level difference
                      Dn,e
             3.2.3 Insertion loss D (of an element)
             3.2.4 Other relevant data
      3.3 Other terms and quantities
             3.3.1 Sound pressure level Lp
             3.3.2 Total attenuation due to propagation
                      Atot
             3.3.3 Diffusivity term Cd
             3.3.4 Inside sound pressure level Lp,in
             3.3.5 Substitute point source
4 Calculation model
      4.1 General principles
      4.2 Determination of substitute point sound sources
      4.3 Determination of the sound power level for a
             substitute point source
      4.4 Determination of the directivity correction for
             a substitute point source
      4.5 Limitations
5 Accuracy
Annex A (normative) List of symbols
Annex B (informative) Interior sound field
Annex C (informative) Sound reduction index
Annex D (informative) Directivity of sound radiation
      D.1 - Plane radiator
      D.2 - Openings
Annex E (informative) Simplified model to predict exterior
                      sound pressure levels
Annex F (informative) Application of the model to single
                      number ratings
      F.1 - General
      F.2 - Input data
      F.3 - Model for single number ratings
      F.4 - Limitations
Annex G (informative) Calculation example
      G.1 - Situation
      G.2 - Results complete model
            G.2.1 - Substitute point sources
      G.3 - Results from simplified model

Describes a calculation model for the sound power level radiated by the envelope of a building due to airborne sound inside, primarily by means of measured sound pressure levels inside the building and measured data characterizing the sound transmission by relevant elements and openings in the building envelope. Does not cover outdoor sound propagation.

This European Standard describes a calculation model for the sound power level radiated by the envelope of a building due to airborne sound inside that building, primarily by means of measured sound pressure levels inside the building and measured data which characterize the sound transmission by the relevant elements and openings in the building envelope, form the basis for the calculation of the sound pressure level at a chosen distance from a building as a measure for the acoustic performance of buildings.

Committee
EH/1/6
DevelopmentNote
Supersedes 97/105645 DC. (03/2005)
DocumentType
Standard
Pages
30
PublisherName
British Standards Institution
Status
Superseded
SupersededBy
Supersedes

ISO 9613-2:1996 Acoustics — Attenuation of sound during propagation outdoors — Part 2: General method of calculation
EN ISO 140-5:1998 Acoustics - Measurement of sound insulation in buildings and of building elements - Part 5: Field measurements of airborne sound insulation of façade elements and façades (ISO 140-5:1998)
EN ISO 7235:2009 Acoustics - Laboratory measurement procedures for ducted silencers and air-terminal units - Insertion loss, flow noise and total pressure loss (ISO 7235:2003)
EN 12354-1:2000 Building Acoustics - Estimation of acoustic performance of buildings from the performance of elements - Part 1: Airborne sound insulation between rooms
EN ISO 140-3:1995/A1:2004 ACOUSTICS - MEASUREMENT OF SOUND INSULATION IN BUILDINGS AND OF BUILDING ELEMENTS - PART 3: LABORATORY MEASUREMENTS OF AIRBORNE SOUND INSULATION OF BUILDING ELEMENTS
EN 12354-3:2000 Building acoustics - Estimation of acoustic performance of buildings from the performance of elements - Part 3: Airborne sound insulation against outdoor sound
EN 20140-10 : 1992 ACOUSTICS - MEASUREMENT OF SOUND INSULATION IN BUILDINGS AND OF BUILDING ELEMENTS - PART 10: LABORATORY MEASUREMENT OF AIRBORNE SOUND INSULATION OF SMALL BUILDING ELEMENTS

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Hardcopy - English
PDF - English
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