HDTV知识扫盲(国外英文资料).doc

HDTV知识扫盲(国外英文资料) HDTV technology and TV programming With the continuous development of national economy, the continuous improvement of peoples living standards, existing TV has not able to meet the increasing spiritual and cultural needs of a wide TV audience. On the one hand, TV operators with no money and buy a good TV show, on the other hand the television audience and complaining about for a long time, frequently the annoyance advertisements, thus people are turning to the digital pay TV, a new way of operating. But face the reality of up to more than 50 free TV channels viewing environment, to make the television industrialization, make digital pay TV promotion is successful, must be both technically and open class, free TV and high-definition TV technology can satisfy this requirement. If high-definition television from the beginning of the premium channels, with the standard collection depending on the quality of the huge differences, is bound to attract a large number of users to join the digital pay TV, promote television career development, meet the peoples growing spiritual and cultural needs. According to the Beijing Olympic committees commitment to the international Olympic committee, the 2008 Beijing Olympic Games will be broadcast in full high-definition television. According to the state administration of radio, film and television, China will fully popularize the ground transmission of digital HDTV in 2008. On September 1, 2005, the first high-definition channel in China was officially launched. In 2009, CCTVs new site will be full of high-definition production systems, and it is expected to launch 5-6 high-definition programs, with a daily output of 50 hours of high-definition programming. Now hd receiving equipment development in our country has been advanced in hd program production and broadcast, there are statistics show that in 2005 the domestic support has sold more than one million sets of HDTV receiver. The high definition of China has com