NEN EN ISO 717-1 : 2013

Foreword
Introduction
1 Scope
2 Normative references
3 Definitions
4 Procedure for evaluating single-number quantities
5 Statement of results
Annex A (informative) Use of spectrum adaptation terms
Annex B (informative) Terms and spectra for an enlarged
                      frequency range
Annex C (informative) Examples of the calculation of
                      single-number quantities and spectrum
                      adaptation terms
Annex ZA (normative) Normative references to international
                      publications with their relevant European
                      publications
Bibliography

Defines single-number quantities for airborne sound insulation in buildings and of building elements such as walls, floors, doors and windows, considers the different sound level spectra of various noise sources inside a building and traffic outside a building, and gives rules for determining these quantities.