2025-10-13: Document No. 65 [2025] from the State Administration of Radio and Television
The National Radio and Television Administration has organized the review of the standard document "Technical Requirements and Measurement Methods for Broadcast-Level Ultra High Definition Cameras," which is now approved as a recommended industry standard for radio, television, and online audiovisual services in the People's Republic of China and is hereby published.
Standard number: GYT 425-2025 Technical Requirements and Measurement Methods for Broadcast-Level Ultra High Definition Cameras
The above standards shall be implemented from the date of publication.
5 Technical Requirements ........................................................................... 1
5.1 Type ........................................................................... 2
5.2 Basic Functions ....................................................................... 2
5.3 Performance Indicators ....................................................................... 3
6 Measurement Methods ........................................................................... 5
6.1 Measurement of Environmental Conditions ................................................................... 5
6.2 Basic Functions ....................................................................... 5
6.3 Optoelectronic Performance ....................................................................... 6
6.4 Output Signal ....................................................................... 8
6.5 Audio Specifications ....................................................................... 9
Appendix A (Informational) Example Characteristics of Camera Test Cards............................................ 11
A.1 Grayscale Test Card .................................................................... 11
A.2 21-Level Grayscale Test Card........................................................... 11
A.3 Clarity Test Card .................................................................. 12
Reference text.献
[1] GY/T 295—2015 Technical Requirements and Measurement Methods for Broadcast-Level HD Cameras
[2] SMPTE ST 2082-1:2023 12Gb/s Signal/Data Serial Interface — Electrical
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