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Nesting Sequence to Fix a Field issue on Quicktime Export
Hi
Recently I have had an issue where I have had to have crawling text along a TVC. Usually I work in progressive fields but with the scrawl it must be upper fields so that it isnt jittering as it pulls through the frame.
The issue I had was, it looked great in final cut, broadcast monitor and the plasma tv hooked up for client preview, but as soon as I exported the sequence to h264 quicktime for delivery to tv station, the scrolling text became field distorted. I tried everything to fix this, swaped fields, reversed fields, re checked my sequence settings, still no luck, then lastly i nested the same sequence with the same settings to an empty identical sequence, spat the quicktime out with the same settings as the previous times and for some reason this seemed to fix the deinterlaceing issue with the scroll.
I found this so bizzar, can anyone explain why nesting the sequence fixed the problem?
Also, upon exporting the h264 Quicktime, there is no option to choose the upper or lower field in the settings, is this then correct to say whatever the final cut sequence settings are eg upper or lower, that is what is automatically what the h264 field order will be?
original sequence was:
square pixel
1024 x 576
upper feilds
apple pro res codec.
25 fpsI then pasted this sequence into one with these settings
square pixel
1024 x 576
upper feilds
apple pro res codec.
25 fpsexported
h264 quicktime.
1024 x 576
15000 kbits per secThanks!
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1 Reply
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Was anything being cropped that might have shifted fields? How did you encode the h.264? Did you use QuickTime Conversion? If so, try Exporting a self-contained QT Using Current Settings. Then use that file in Compressor to encode the h.264. If you used that workflow, did you turn on Frame Controls in Compressor? You can set your field dominance in Frame Controls.
John
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