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在介绍国内外数字电视发展现状及数字电视原理的基础上,用飞利浦的SAA7113H视频编解码芯片进行视频解码,EMPIA的EM2820作为主控芯片,把接收的视频信息处理,转换后通过USB接口送给PC机显示,设计并实现了一种将模拟视频数据从解码到显示的数字电视机系统。
On the basis of introducing the status quo of digital TV at home and abroad and the principle of digital TV, video decoding is performed with Philips SAA7113H video codec chip. EMPIA’s EM2820 is used as the master chip to process the received video information and convert it to the USB interface PC display, design and implementation of a analog video data from decoding to display digital television system.