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Site update - March 16th 2010

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About progressive scanning

#1 25 Jul 2004 @ 18:21
Am I right to assume that a film or HDTV immage (maybe even a comp monitor) duplicates whole frames for a more flicker free image? I.E Frame 1 is identical to frame 2, then the next new frame is frame 3? Thus a 50fps signal is actually 50Hz?
#2 26 Jul 2004 @ 6:57
I'm not sure I understand the question. You seem to be asking if a 50fps source needs to have frames duplicated to play at 50fps, so I assume I'm not understanding what you mean.

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#3 26 Jul 2004 @ 14:54
I'm asking if 60Hz prog scan signal is 60 FULL NEW FRAMES or just 30 NEW FRAMES and 30 duplicated.
#4 15 Aug 2004 @ 15:45
With interlaced it can scan one frame at 1/60th second skipping all the even numbers, then one frame at 1/60th second to scan all the even numbers, skipping the odd. Ths meaning it took 1/30th second to scan a frame. Progressive scans that frame at 1/60th second. Hence the increase in picture quality


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