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 INTERLACED Definition
We define INTERLACED |
INTERLACED - This means that the graphic data is split (usually into two parts), and is displayed alternately line by line. The first pass draws every even line, and then another pass is made to draw every odd line. So for video output, if you have 480 pixel rows shown vertically, an interlaced image will show 240 pixel rows (every other pixel row) at once. It will alternate fast enough that the image looks whole and complete. This is a trick used to increase resolution. However, it makes text and small shapes shimmer in a disturbing way. Standard television signals are interlaced, and that's one reason that text looks awful on a television screen. See also non-interlaced. |
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