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Exporting to ProRes422 – field order??
I’m having a bunch of timelines edited in DVCPro50 (P2).
Prior to encoding to MPEG-2, I want to export as ProRes422.
And somewhere along the line, things get messed up. In my NR software, the source is marked as being interlaced.
Then I encode to MPEG-2 trying both upper, lower and no interlaced input. Either way, the final result looks bad, motions are jittery.
By exporting to DV and keep that all way trough as “interlaced, lower field first” all looks just well, but I do not want to go down that path.
Any ideas are greatly appreciated!
Niklas
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2 Replies
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DVCPro50 is interlaced. Not sure why you want to transcode to anything before making an mpeg2 file but why not stay in Pro50?
You didn’t specify frame rate because PAL and NTSC are not the same for field dominance which can be codec specific. I suspect the field shift is happening due to a mismatch of field order in making the ProRes if it isn’t happening in DV codec.
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I solved the issue by just exporting ProRes422 as Interlaced, with bottom field first (as that’s what DVCPro50 has in PAL).
The reason for going from DVCPro50 to ProRes422 is to give more to work with in my noise reduction software.
After figuring this out, I was recommended by the authors (https://www.innobits.com) that I could wery well stay in DVCPro50, but save the noise reduced file as ProRes422, before encoding it to MPEG-2.
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