DIN EN ISO 717-2-2021 声学. 建筑和建筑构件的隔音等级. 第2部分: 冲击隔音(ISO 717-2-2020); 德文版 EN ISO 717-2-2020
Acoustics - Rating of sound insulation in buildings and of building elements - Part 2: Impact sound insulation (ISO 717-2:2020); German version EN ISO 717-2:2020
This document a) defines single-number quantities for impact sound insulation in buildings and of floors, b) gives rules for determining these quantities from the results of measurements carried out in one-third-octave bands in accordance with ISO 10140-3 and ISO 16283-2, and in