DTMB信源前端系统  

DTMB Source Front-End System

作　　者：吴炜颖 黄贤彬 黄样华 韦伟军 闫双飞 WU Weiying;HUANG Xianbin;HUANG Yanghua;WEI Weijun;YAN Shuangfei(Guangxi Radio and Television Wireless Communication Hub Station,Nanning 530012,China)

机构地区：[1]广西广播电视无线传播枢纽台,广西南宁530012

出　　处：《电视技术》2023年第6期130-133,共4页Video Engineering

摘　　要：地面数字电视(Digital Terrestrial Multimedia Broadcasting,DTMB)信源前端使用全IP数字化的先进模式,实现对多路信号的汇聚、编码、转换、复用、码流特征比对、自动切换输出以及实时告警推送等一体化功能。基于此,详细介绍DTMB信源前端系统的架构、功能以及关键技术。The Digital Terrestrial Multimedia Broadcasting(DTMB)source front-end uses an advanced mode of full IP digitization to achieve integrated functions such as aggregation,encoding,conversion,multiplexing,stream feature comparison,automatic switching output,and real-time alarm push for multiple signals.Based on this,this article provides a detailed introduction to the architecture,functions,and key technologies of the DTMB source front-end system.

关 键 词：广播电视 信源前端 嵌套保护 

分 类 号：TN948.14[电子电信—信号与信息处理]