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西湖数码3000系列数字化彩电是目前模拟制式下的一种高品质多功能大屏幕彩电,本文介绍该系列彩电的特色、整机框图、流程及所用主要芯片,以使读者较深入地了解该机性能,更清楚地理解数字化彩电与传统模拟彩电及未来数字电视的区别。 一、西湖数码3000系列数字彩电特色 西湖数码3000系列数字彩电把经过电调谐器、中放电路后输出的基带模拟视频信号及第二伴音中频信号先进行模/数转换数字化,然后作数字化的彩色解码、图像改善处理、数字化的伴音解调、音效处理以及画中画的数字处理等。
West Lake Digital 3000 Series Digital TV is a high-quality multi-function large screen color TV under analog mode. This article describes the features of this series of color TV, the whole block diagram, process and the main chip used to enable readers to better understand the aircraft performance , More clearly understand the difference between digital color TV and traditional analog color TV and future digital TV. First, the West Lake Digital 3000 Series Digital TV features West Lake Digital 3000 Series Digital TV through the tuner, after the discharge circuit in the baseband analog video signal and the second audio intermediate frequency signal first digital / analog to digital conversion, and then for digital color Decoding, image processing, digital audio demodulation, audio processing and PIP digital processing.