Turn out to be a national entertainment to benefit the people of the important positions, program the future development of its social advantages are the key.
HC Tv Network Digital television broadcasting to right now, primarily by way of 3 methods: digital cable Tv broadcasting, digital terrestrial radio broadcasting and digital satellite broadcasting. And wireless terrestrial television coverage as wide spread high, in the suburbs and rural areas Radio and Tv Communication has an important function. For that reason, in order to serve the public very good for the purpose of digital terrestrial television (referred to as CTTB) to benefit the men and women as a national entertainment important position, its social advantages is the key to the future development program.
From abroad to promote the application of terrestrial digital Tv experience point of view, the initial phase of digital terrestrial tv will be defined as a public great public services, countries have introduced policies to promote financial support for promotion, due to the fact only if all users can watch digital terrestrial Television after the close simulation to obtain the objective of wireless terrestrial television. China is no exception, in 2008 the Ministry of Finance on the ground in the next couple of years, the number Mobile Television Networking 2.5 billion allocated funds, the particular launch means that China will establish a comprehensive coverage of the terrestrial digital Tv network.
Therefore, in the Government’s financial support, terrestrial digital television established its own planning objectives: According to our complete society and the requirements of public cultural service system, with three to 5 years, will be built for the purpose of providing public services national terrestrial digital tv coverage, nationwide about 90% of the population, except in remote mountainous areas, the majority of urban and rural residents to appreciate terrestrial digital tv services.
2009, the Chinese terrestrial digital Television working steadily ahead. In frequency preparing, and network developing, and the corresponding supporting the development of standards have created the development of plans to implement the next step is also an orderly manner. It can be said that China’s terrestrial digital Television has been strong government support, so all future applications and prospects can be sighted.
Assessment write-up Wireless coverage Way to obtain the initial because the founding of new China Radio and Television programs men and women watch. In recent years, from the analog signal to digital signal conversion process, the terrestrial digital Tv promotion of the work is still important in phases. 8
2006, the National Standards Committee digital tv terrestrial broadcasting transmission enacted national mandatory common “digital terrestrial tv broadcasting transmission method frame structure, channel coding and modulation” (20600-2006), China’s digital tv development into the fast advancing new phase.
2007 two 20 SARFT Release “to further regulate terrestrial digital Tv system technologies trial to inform.” Notice that the SARFT set up a leading group and working groups, organizations promoting the technologies, standards, policies, regulations and other preparatory function to strengthen the national application of national regular guide, with the National Development and Reform Commission, Ministry of Information Business and other relevant departments to coordinate the promotion of standards The industrialization procedure and the supporting work. Emphasized in the above function is completed, they will not have the huge-scale test conditions for terrestrial digital television. Mobile digital Tv trial clearly focused on the conversion of existing international program of non-work, before completion of technical preparations, suspended approval for new trial, with out Administration approval, no unit will be allowed to test terrestrial digital television technology and the illegal use of electricity Video Road approved for terrestrial digital television unit test could not be used with out the Administration’s terrestrial digital Television network finds the wireless launch, transmission and reception equipment.
2007 three months, Beijing launched terrestrial digital Television broadcasting trial, at the end fundamentally completed. October 12, 2007, Shenzhen held a launch terrestrial digital Tv broadcasting, an official national common of terrestrial digital tv pilot, became the 1st official implementation of the national standards of the city, also marks the official national common for terrestrial digital Television promotion stage . December 2007, in the course of the trial application model based on the recommendations, and identified seven kinds of application mode
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