IEC 60268-16:2020/COR1:2025 ed5.0

Действует

Corrigendum 1: Sound system equipment - Part 16: Objective rating of speech intelligibility by speech transmission index — 2 стр.

ICS

33.160.01 Audio, video and audiovisual systems in general / Аудио-, видео- и аудиовизуальная техника в целом