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作 者:支俊峰 Zhi Junfeng(Shandong Zouping Integrated Media Center,Zouping,China)
机构地区:[1]山东省邹平市融媒体中心,山东邹平
出 处:《科学技术创新》2024年第8期87-90,共4页Scientific and Technological Innovation
摘 要:在三网融合背景下,为了进一步提高数字电视的信号传输效率、降低成本,基于IP技术数字电视前端系统的设计,可以增强系统的灵活性和可靠性。基于此,本文介绍了数字电视业务的发展现状,并分析了传统ASI架构与IP架构的数字电视前端系统。重点讨论了IP化后的系统优势,涉及编码、复用、条件接收技术等关键技术,提出了央视数字电视前端系统的IP化升级改造方案,包括系统架构设计和实施方案,旨在为研究人员和工程师提供一个全面的视角,以理解和设计基于IP技术的数字电视前端系统。In the context of the integration of the three networks,in order to further improve the signal transmission efficiency and reduce costs of digital television,the design of a digital television front-end system based on IP technology can enhance the flexibility and reliability of the system.Based on this,this article introduces the current development status of digital television business and analyzes the digital television front-end system of traditional ASI architecture and IP architecture.The focus was on discussing the system advantages after IPization,involving key technologies such as encoding,multiplexing,and conditional access technology.A plan for upgrading and renovating CCTV's digital TV front-end system through IPization was proposed,including system architecture design and implementation plan,aiming to provide researchers and engineers with a comprehensive perspective to understand and design digital TV front-end systems based on IP technology.
分 类 号:TN94[电子电信—信号与信息处理]
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