| 4K超高清视频载荷识别信息的表达与传输 |
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| 引用本文： | 封连伟.4K超高清视频载荷识别信息的表达与传输[J].广播与电视技术,2022,49(1):47-51. |
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| 作者姓名： | 封连伟 |
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| 作者单位： | 深圳广播电影电视集团,广东518026 |
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| 摘 要： | 视频载荷识别信息是4K超高清视频系统中设备传输和处理视频信号的重要参考信息,本文分析了该信息表达错误带来的影响,概述了表达该信息的国际标准及其在SDI、IP信道的传送方式、查看方法,还介绍了视频文件中载荷识别信息的修改方法。
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| 关 键 词： | 视频载荷识别信息 VPID |
Expression and Transmission of 4K UHD Video Payload Identification Information |
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| Feng Lianwei.Expression and Transmission of 4K UHD Video Payload Identification Information[J].Radio & TV Broadcast Engineering,2022,49(1):47-51. |
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| Authors: | Feng Lianwei |
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| Affiliation: | (Shenzhen Media Group,Guangdong 518026,China) |
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| Abstract: | Video payload identification information is an important reference for devices to transmit and process video signal in 4K UHD video system.This paper analyzes the impact brought by errors in information expression,provides insights on international standard for VPID and various ways of VPID transmission and observation in SDI and IP channels.In addition,it also introduces how to modify VPID in video files. |
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| Keywords: | Video payload identification VPID |
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