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电视机(PAL制)的清晰度为437×583,DVD影碟机为576×720,这些指标可以直观反映图像的质量。彩电的清晰度之所以小于DVD影碟机,主要是受到目前模拟彩电技术,诸如扫描行数、信号通道带宽以及行频等因素的限制。如果要使用DVD影碟机高画质图像的再现,利用家用电脑所用的SVGA、VGA彩显代替彩电就可实现。 计算机显示器已从80年代初的CGA、EGA发展到目前的VGA、SVGA,显示精度从320×200发展到1280×1024以上,显像管阴罩点距从0.6mm以上发展到0.21mm以下,扫
TV (PAL system) definition of 437 × 583, DVD player for 576 × 720, these indicators can directly reflect the image quality. The reason why the clarity of color TV is smaller than that of DVD players is mainly due to the limitations of the current analog color TV technologies such as the number of scanning lines, the bandwidth of signal channels and the line frequency. If you want to use DVD player high-quality image reproduction, the use of home computers used SVGA, VGA color display instead of color TV can be achieved. Computer monitors have been from the early 80’s CGA, EGA to the current VGA, SVGA, display accuracy from 320 × 200 to 1280 × 1024 or more, CRT shadow pitch from more than 0.6mm to 0.21mm below the sweep