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Originally Posted by Koutsoubos
Given a nominally 25 fps (i.e. forget about speed-up or not, it's now 25fps) progressive source bound for PAL, would you encode it as 25p or go ahead and encode it as 50i? Why or why not? How would you do it?
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Personally I would encode it as 25p. Just to be sure, have you tried to encode your footage with same/similar settings on other encoders? Does it changes something?
Quote:
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This from an individual known as Trai, expressed in the Creative Cow forums
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From that thread, the answer is not that clear. Other users says that the ImageMapper tool is able to check dvd compliancy. Maybe it depends by the version too. Anyway, if you're so worry, stay on the safe side by using conservative settings.
Regarding your problem about 'combing' artifacts on progressive image, it could be that some flags are switching over time. Even the scanning order (from Alternate to Zig-Zag and viceversa) could led to some strange artefacts on some standalone players.