This document specifies the audio and video formats of cable digital television systems, as well as technical quality requirements and measurement methods such as transmission channels, code streams, and subjective evaluations. This document is applicable to radio and television agencies’ measurement of audio and video quality in all aspects of cable digital television from source encoding to receiving terminals, and is also applicable to system planning, design and construction.
GY/T 375-2023 history
2023GY/T 375-2023 Cable digital television audio and video technical quality requirements and measurement methods