Road traffic noise reducing devices - Non-acoustic performance - Part 2: Methods of determination of the general safety and environmental characteristics

Road traffic noise reducing devices - Non-acoustic performance - Part 1: Methods of determination of the mechanical and stability characteristics

Mechanical vibration - Ground-borne noise and vibration arising from rail systems - Part 34: Characterizing irregularity of the running surfaces with respect to vibration excitation

Acoustics - Determination of sound power levels of noise sources using sound pressure - Engineering methods for an essentially free field over a reflecting plane (ISO/FDIS 3744:2024)

IEC 60704-2-2 Ed 2.0: Household and similar electrical appliances - Test code for the determination of airborne acoustical noise - Part 2-2: Particular requirements for fan heaters

IEC 61280-3-4: Fibre optic communication subsystem basic test procedures - Part 3-4: Test procedures for analogue systems - Composite triple-beat noise measurement for video systems

Household and similar electrical appliances - Test code for the determination of airborne acoustical noise - Part 2-19: Particular requirements for air cleaners (IEC 59/768/CD:2021); Text in German and English

All-or-nothing electrical relays - Testing and Measurement - Part 7-27: Electrical contact noise (IEC 94/634/CD:2021); Text in German and English

Road traffic noise reducing devices - Test method for determining the acoustic performance - Part 5: Intrinsic characteristics - Sound absorption under direct sound field conditions; German and English version prEN 1793-5:2023

Road traffic noise reducing devices - Test method for determining the acoustic performance - Part 4: Intrinsic characteristics - In situ values of sound diffraction; German and English version prEN 1793-4:2023