Michael Pfost
Forum Replies Created
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Michael Pfost
March 20, 2011 at 4:46 pm in reply to: Reverse field dominance – two fields forward, one field backI’m viewing the file through the output of my Matrox Mini box using component outputs. The monitor is LCD. Is it necessary to have a CRT monitor or can you view material on a flat-screen?
What is recommended for viewing interlaced material on a flat-screen? (That isn’t crazily priced?)
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When working with weird codecs — I’ve always converted everything to ProRes first (with Compressor) and then work with that in FCP. Sometimes it would have to render overnight, but then everything would be in an easy format to edit.
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The first time I shifted the frames to TFF is when I went from the Progressive 23.98 fps ProRes file to a PAL ProRes file. I basically just set the file settings in Compressor to “Top Field.”
So — question — what does “Two fields forward, one field back” mean?
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Thanks for the advice! Just sent a couple of test clips without cropping the top 2 lines and bottom 2 lines.
So if these do work, what would be the best way to eliminate the top 2 lines of the NTSC image before being blown up to PAL using Compressor (without potentially changing the field dominance?)
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I’ve always had good luck rendering it down in AE. Then take the resulting file and use Compressor to generate your MPEG-2 file.
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Ok – one thing I failed to mention is that in Compressor (when it creates the final PAL file from a 720×486 file) — I am cropping 2 lines at the top and 2 lines at the bottom (as there is a little bit on garbage that I want to remove).
Will this create any issues?
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Michael Pfost
March 17, 2011 at 11:07 pm in reply to: Reverse field dominance – two fields forward, one field backI’m using IMX-50 video, BWF audio. The container is MXF Op1a.
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Michael Pfost
March 17, 2011 at 6:42 pm in reply to: Reverse field dominance – two fields forward, one field backWell it is a telecine of a TV series from the 60’s delivered to me on NTSC DigiBeta.
From what I can tell it was done correctly just from viewing the progressive version (created by Compressor’s reverse telecine). I just added bars and tone at the beginning on the FCP timeline and saved as a Quicktime ProRes file (same format). But perhaps there are field issues that the eye cannot see?
The final ProRes PAL file looks spectacular, so it makes me think the the MXF conversion is botching it up.
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I’ve run into this same issue, but never found a solution. What version OS are you using?
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Michael Pfost
March 17, 2011 at 6:17 pm in reply to: Reverse field dominance – two fields forward, one field backI’m starting to think that this may be a configuration issue with Episode Pro (using it to create the final MXF file).
I know this is the wrong forum, but in Episode Pro I have to create Op1a compliant files with the IMX-50 codec. There is a frame order setting as well as a frame-rate setting (with some advanced settings). Perhaps I need to re-examine these.