GD/J 086-2018.Technical specification for emergency broadcasting in digital cable TV. 本GD/J 086规定了有线数字电视应急广播系统的应急广播消息传输和指令安全保护机制、应急广播消息封装协议、应急广播证书授权协议

GD/J 099-2020.Technical requirements and measurement methods for CATV system Radio-frequency coaxial connector. b)1h内使水冷却至室温，并在此温度下保持1h。然后，在1h之内把水冷却至1

GY/T 347.3-2021.Real-time serial digital interfaces for UHDTV signals-Part3: Single link and multi-link 6Gbit/s, 12Gbit/s and 24Gbit/s electrical and

GY/T 346-2021.Specification of interfaces for user“double authentication and accounting”for both IPTV integrated playout management platform and trans

GD/J 120-2020.Technical requirements for secur ity capability of PGC system mobile terminal. GD/J 120规定了PGC移动终端硬件安全要求、操作系统安全要求、应用安全要求、网络准入安全要求、数据交换安全要

GD/J 119-2020.Baseline of network security for studio interactive system. GD/J 119规定了演播室互动系统的网络安全基本要求,主要分为系统安全技术要求和系统安全管理要求两个方面。 本GD/J 119适用于演播室互动系统网络

GY/T 348-2021.Specification of prec ision time synchronization protocols for audio and video equipment in a professional broadcast environment. GY/T 3

GY/T 349-2021.Method for objective measurements of perceived audio quality. 10.5.2.5. 1延迟的平均算法 计算MOV时，在进行时域平均计算过程中应剔除测量开始后的初始0.5s的值。延迟的平均法用于的MOV包括WinM

GY/T 347.1一2021.Real-time serial digital interfaces for UHDTV signals- Partl: multi-link 10 Gbit/s optical interfaces( 10-bit word containers). GY/T 3

GY/T 347.1一2021.Real-time serial digital interfaces for UHDTV signals- Partl: multi-link 10 Gbit/s optical interfaces( 10-bit word containers). GY/T 3