AS/NZS 1276.1:1999
Acoustics - Rating of sound insulation in buildings and of building elements - Airborne sound insulation
Provides a method whereby the frequency-dependent values of airborne sound insulation of building elements and in buildings can be converted into a single number characterizing the acoustical performance. This Standard is identical with and has been reproduced from ISO 717-1:1996.
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AS/NZS 1276.1:1999 ACOUSTICS-RATING OF SOUND INSULATION IN BUILDINGS AND OF BUILDING ELEMENTS - AIRBORNE SOUND INSULATION
CONTENTS
INTRODUCTION
1 Scope
2 Normative references
3 Definitions
3.1 single-number quantity for airborne sound insulation rating:
3.2 spectrum adaptation term:
4 Procedure for evaluating single-number quantities
4.1 General
4.2 Reference values
4.3 Sound spectra
4.4 Method of comparison
4.5 Calculation of spectrum adaptation terms
5 Statement of results
5.1 Statement of performance of building elements
5.2 Statement of requirements and of performance of buildings
Annex A - Use of spectrum adaptation terms
A.1 Spectrum adaptation term C
A.2 Spectrum adaptation term C..
A.3 Application of the spectrum adaptation terms to additional types of noise
Annex B - Terms and spectra for an enlarged frequency range
Annex C - Examples of the calculation of single-number quantities and spectrum adaptation terms
APPENDIX ZA - SOUND TRANSMISSION CLASS RATING SYSTEM
APPENDIX ZB - COMPARISON OF RATING SYSTEMS
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AS/NZS 1276.1:1999 ACOUSTICS-RATING OF SOUND INSULATION IN BUILDINGS AND OF BUILDING ELEMENTS - AIRBORNE SOUND INSULATION
CONTENTS
INTRODUCTION
1 Scope
2 Normative references
3 Definitions
3.1 single-number quantity for airborne sound insulation rating:
3.2 spectrum adaptation term:
4 Procedure for evaluating single-number quantities
4.1 General
4.2 Reference values
4.3 Sound spectra
4.4 Method of comparison
4.5 Calculation of spectrum adaptation terms
5 Statement of results
5.1 Statement of performance of building elements
5.2 Statement of requirements and of performance of buildings
Annex A - Use of spectrum adaptation terms
A.1 Spectrum adaptation term C
A.2 Spectrum adaptation term C..
A.3 Application of the spectrum adaptation terms to additional types of noise
Annex B - Terms and spectra for an enlarged frequency range
Annex C - Examples of the calculation of single-number quantities and spectrum adaptation terms
APPENDIX ZA - SOUND TRANSMISSION CLASS RATING SYSTEM
APPENDIX ZB - COMPARISON OF RATING SYSTEMS
AS/NZS 1276.1:1999
Online Library subscription pricing
The cost of your subscription will depend on which standards you want to access, and how many people in your organisation need to be able to access the Online Library subscription at the same time (concurrent users). During your subscription period, we are also able to make any necessary changes and ensure you are aware of any pricing changes that result. For a quote, contact our Online Library team by emailing onlinelibrary@standards.govt.nz.