Road traffic noise reducing devices - Procedures for assessing long term performance - Part 1: Acoustical characteristics; German version EN 14389-1:2015— 16 стр.
Classification of environmental conditions - Part 3: Classification of groups of environmental parameters and their severities; section 4: Stationary use at non-weatherprotected locations; Amendment A1 (IEC 60721-3-4:1995/A1:1996); German version EN 60721-3-4:1995/A1:1997— 6 стр.
Road traffic noise reducing devices - Test method for determining the acoustic performance - Part 6: Intrinsic characteristics - In-situ values of airborne sound insulation under direct sound field conditions; German version EN 1793-6:2012— 46 стр.
Road traffic noise reducing devices - Test method for determining the acoustic performance - Part 2: Intrinsic characteristics of airborne sound insulation under diffuse sound field conditions; German version EN 1793-2:2012— 15 стр.
Road traffic noise reducing devices - Test method for determining the acoustic performance - Part 1: Intrinsic characteristics of sound absorption under diffuse sound field conditions; German and English version prEN 1793-1:2015
Road traffic noise reducing devices - Procedures for assessing long term performance - Part 1: Acoustical characteristics; German version EN 14389-1:2007— 11 стр.
Road traffic noise reducing devices - Procedures for assessing long term performance - Part 1: Acoustical characteristics; German version EN 14389-1:2007— 11 стр.
Railway applications - Track - Noise barriers and related devices acting on airborne sound propagation - Procedures for assessing long term performance - Part 1: Acoustic characteristics— 18 стр.
Road traffic noise reducing devices - Test method for determining the acoustic performance - Part 5: Intrinsic characteristics - In situ values of sound reflection under direct sound field conditions; German version EN 1793-5:2016— 66 стр.
Road traffic noise reducing devices - Test method for determining the acoustic performance - Part 5: Intrinsic characteristics - In situ values of sound reflection under direct sound field conditions; German version EN 1793-5:2016+AC:2018— 65 стр.
