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高清是广播电视技术发展进步的必然趋势,自2009年9月28日中央电视台第一套节目和北京卫视、上海东方卫视、江苏卫视、湖南卫视实施高标清同播以来,国内高清电视频道已经近20个,更多的电视台正在不断推进高清化制播。2010年(高清元年)到2012年年底,行业从未离开过高清二字。经过两年的积累与铺垫,如今的高清市场已步入快速平稳发展期,高清产品的增长率已超过模拟设备。随着科技的日新月
HD is the inevitable trend of radio and television technology development and progress since September 28, 2009 CCTV’s first set of programs and Beijing Satellite TV, Shanghai Oriental Satellite TV, Jiangsu Satellite TV, Hunan Satellite TV implementation of SDTV simulcasting since the domestic high-definition television channels have been near 20, more television stations are constantly promoting HD broadcast. 2010 (HD first year) By the end of 2012, the industry has never left the word high-definition. After two years of accumulation and development, the high-definition market has now entered a period of rapid and steady development. The growth rate of high-definition products has surpassed analog equipment. With the technology day by day