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Table Of Contents
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Basics of High Definition TV
Progressive -
NTSC and PAL/SECAM work with fields. Each of the 30/25 images recorded per second is played
twice on the TV screen - once on the even-numbered lines (2, 4, 6, etc.) and once on the odd-
numbered lines (1, 3, 5, etc.). This interlacing keeps the image from flickering.
TV that is based on the HD standard can (but does not necessarily have to) display full frames, at
a rate of up to 60 fps (frames per second).
Interlaced: The lines are clearly visible