This final signal, containing the color and intensity of each pixel in a set of rows, along with horizontal and vertical sync signals, is called a composite video signal .
这个包含了每一个像素的颜色和亮度信息以及同步信号的最终信号称为组合视频信号（composite video signal).
No sync correction is performed, so a low-quality input with horizontal or vertical jitter will still appear jittery after this filter.
因为没有校正同步，所以低质量视频中的横向和纵向抖动经过过滤器后仍然存在。
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