NF EN ISO 717-1:2020

This document a. defines single-number quantities for airborne sound insulation in buildings and of building elements such as walls, floors, doors, and windows, b. takes into consideration the different sound level spectra of various noise sources such as noise sources inside a building and traffic outside a building, and c. gives rules for determining these quantities from the results of measurements carried out in one- third-octave or octave bands for example in accordance withISO 10140-2andISO 16283-1.