GY/T 246-2020.Digital rights management for video audio content distribution-Dig...

行业标准2023.08.02

GY/T 333-2020.Digital rights management for video audio content distribution-Dig...

行业标准2023.08.02

GY/T 334一2020.Digital rights management of video audio content distribution-Digi...

行业标准2023.08.02

GY/T 335一2020.Digital rights management for video audio content distribution -St...

行业标准2023.08.02

GY/T 336-2020.Digital rights management of video audio content distribution-Syst...

行业标准2023.08.02

标准号：GY/T 332-2020标准名称：互联网互动视频数据格式规范英文名称： Specification of data format for intera...

行业标准2023.08.02

GY/T 330-2020.Colour bar test pattern for urtra high definition and high dynamic...

行业标准2023.08.02

GY/T 331-2020.Technical requirements for audio identification and line-up signal...

行业标准2023.08.02

GY/T 329一2020.Test materials to be used in subjective assessment for 4K ultra hi...

行业标准2023.08.02

GY/T 328一2020.Technical specification for operation and maintenance of radio and...

行业标准2023.08.02