Sound system equipment - Part 16: Objective rating of speech intelligibility by speech transmission index (IEC 100/3202/CDV:2019); German and English version prEN IEC 60268-16:2019
Amendment 2 - Electromagnetic compatibility (EMC) - Part 4-17: Testing and measurement techniques - Ripple on d.c. input power port immunity test— 4 стр.
Electromagnetic compatibility (EMC) - Part 4-29: Testing and measurement techniques - Voltage dips, short interruptions and voltage variations on d.c. input power port immunity tests— 37 стр.
Audio and audiovisual equipment - Digital audio parts - Basic measurement methods of audio characteristics - Part 2: Consumer use (IEC 100/1311/CD:2007)