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随着符合中国数字电视地面广播标准的数字电视的逐步开播,与之相关的数字电视一体机的开发就成为电视厂商新产品开发的热点。从数字电视地面广播标准的技术和数字电视一体机等各功能模块的特点出发,介绍一种高集成度、多功能的数字电视一体机的设计方案。在该方案设计上,充分利用SOC的高集成度和内嵌CPU的处理能力,实现了数字电视的接受解码功能以及模拟电视接收功能,并阐述该款产品的硬件设计和软件设计原理。
With the gradual launch of digital television that conforms to China’s digital terrestrial television broadcasting standard, the development of the digital TV integrated with it has become a hot spot in the development of new products for TV manufacturers. From the characteristics of digital TV terrestrial broadcasting standard technology and digital TV all-in-one and other functional modules, a highly integrated and versatile digital television integrated device design scheme is introduced. In this scheme design, taking full advantage of the high integration of SOC and the processing power of the embedded CPU, the decoding function of digital TV and the receiving function of analog TV are realized, and the hardware design and software design principle of the product are expounded.