AS/NZS 1276.1:1999

1 - AS/NZS 1276.1:1999 ACOUSTICS-RATING OF SOUND INSULATION IN BUILDINGS AND OF BUILDING ELEMENTS - AIRBORNE SOUND INSULATION
6 - CONTENTS
7 - INTRODUCTION
9 - 1 Scope
9 - 2 Normative references
10 - 3 Definitions
10 - 3.1 single-number quantity for airborne sound insulation rating:
10 - 3.2 spectrum adaptation term:
11 - 4 Procedure for evaluating single-number quantities
11 - 4.1 General
11 - 4.2 Reference values
11 - 4.3 Sound spectra
15 - 4.4 Method of comparison
15 - 4.5 Calculation of spectrum adaptation terms
16 - 5 Statement of results
16 - 5.1 Statement of performance of building elements
16 - 5.2 Statement of requirements and of performance of buildings
17 - Annex A - Use of spectrum adaptation terms
17 - A.1 Spectrum adaptation term C
17 - A.2 Spectrum adaptation term C..
18 - A.3 Application of the spectrum adaptation terms to additional types of noise
19 - Annex B - Terms and spectra for an enlarged frequency range
22 - Annex C - Examples of the calculation of single-number quantities and spectrum adaptation terms
24 - APPENDIX ZA - SOUND TRANSMISSION CLASS RATING SYSTEM
25 - APPENDIX ZB - COMPARISON OF RATING SYSTEMS

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.

First published as AS 1276-1979.
Jointly revised and redesignated AS/NZS 1276:1999.