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随着广播电视事业的蓬勃发展 ,我国卫星电视节目的上星传送方式已由传统的模拟方式传送逐步转向数字压缩方式传送。从中央电视台、中国教育电视台及省级电视台卫星节目共 4 0多个频道来看 ,除了教育台和云南、贵州等 5个频道外 ,其余节目均采用了数字压缩方式。在卫星电视节目?
With the vigorous development of the radio and television industry, the satellite transmission mode of China’s satellite television programs has been gradually shifted from the traditional analog mode to the digital compression mode. From the more than 40 channels of CCTV, China Education Television and provincial-level satellite TV stations, there are more than 40 channels in total. In addition to the education channel and 5 channels including Yunnan and Guizhou, the rest of the programs use digital compression. In the satellite television program?