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随着大屏幕彩电的大量进入普通家庭,使很多消费者充分领略到高清晰、高分辨率的图象效果,这些大屏幕彩电都具备多路“AV”输入、“S”输出端子高画质输入。但可能您所拥有的LD、VCD影碟,多媒体电脑等视频设备只有AV输出,所以无法从大屏幕彩电上收奔到LD影碟所应有的420线以上高画质图象。为了解决这一问题,笔者将向读者介绍最新研制的梳状滤波器,它将把VCD、LD影碟所输出的视频信号分离成亮度信息Y及色度信号C,并采用专用S端子插座输出。一、Y/C复合视频信号输出的缺陷
With the large number of large-screen TV into the ordinary family, so many consumers fully appreciate the high-definition, high-resolution image effects, these large-screen color TV with multiple “AV” input, “S” enter. But you may have LD, VCD discs, multimedia computers and other video equipment only AV output, it can not be taken from the big screen color TV to LD discs should be 420 lines above the high-definition images. In order to solve this problem, the author will introduce the reader to the newly developed comb filter, which will be VCD, LD video output video signal separation into luminance information Y and chrominance signal C, and use a dedicated S-Video output. A, Y / C composite video signal output defects