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BS EN ISO 12354-4:2017

Current
Current

The latest, up-to-date edition.

Building acoustics. Estimation of acoustic performance of buildings from the performance of elements Transmission of indoor sound to the outside
Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

09-18-2017

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Calculation model
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
Annex E (informative) - Simplified model to predict
        exterior sound pressure levels
Annex F (informative) - Application of the model to
        single number ratings
Annex G (informative) - Calculation example
Bibliography

Describes a calculation model to estimate 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.

This document specifies a calculation model to estimate 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. These sound power levels, together with those of other sound sources in or in front of 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.

The prediction of the inside sound pressure level from knowledge of the indoor sound sources is outside the scope of this document.

The prediction of the outdoor sound propagation is outside the scope of this document.

NOTE For simple propagation conditions an approach is given for the estimation of the sound pressure level in AnnexE.

This document describes the principles of the calculation model, lists the relevant quantities and defines its applications and restrictions.

Committee
EH/1/6
DevelopmentNote
Supersedes 16/30334506 DC & BS EN 12354-4. (10/2017)
DocumentType
Standard
Pages
34
PublisherName
British Standards Institution
Status
Current
Supersedes

Standards Relationship
EN ISO 12354-4:2017 Identical
ISO 12354-4:2017 Identical

ISO 10140-2:2010 Acoustics Laboratory measurement of sound insulation of building elements Part 2: Measurement of airborne sound insulation
ISO 10140-1:2016 Acoustics Laboratory measurement of sound insulation of building elements Part 1: Application rules for specific products
ISO 9613-2:1996 Acoustics — Attenuation of sound during propagation outdoors — Part 2: General method of calculation
ISO 16283-3:2016 Acoustics Field measurement of sound insulation in buildings and of building elements Part 3: Faade sound insulation
EN 12354-5:2009/AC:2010 BUILDING ACOUSTICS - ESTIMATION OF ACOUSTIC PERFORMANCE OF BUILDING FROM THE PERFORMANCE OF ELEMENTS - PART 5: SOUNDS LEVELS DUE TO THE SERVICE EQUIPMENT
ISO 12354-1:2017 Building acoustics — Estimation of acoustic performance of buildings from the performance of elements — Part 1: Airborne sound insulation between rooms
ISO 717-1:2013 Acoustics Rating of sound insulation in buildings and of building elements Part 1: Airborne sound insulation
ISO 7235:2003 Acoustics — Laboratory measurement procedures for ducted silencers and air-terminal units — Insertion loss, flow noise and total pressure loss
ISO 12354-3:2017 Building acoustics — Estimation of acoustic performance of buildings from the performance of elements — Part 3: Airborne sound insulation against outdoor sound

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