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Interlaced Blackmagic 10-bit uncompressed 4:2:2 Video
I am capturing finished spots/shorts..ect from Digibeta masters with a Blackmagic HD capture Card into FCP.
I am starting more and more to run into issues with the interlacing that exists in my video when I compress for the Web. The most noticable problem is that all straight edges look wavey. This is after I deinterlace the video in Final Cut Pro using the deinterlace filter, accounting for the appropreate field dominance.What is the most effective way to Deinterlace my video before I compress it for the web? Can it be done on capture?
One of my clients had a quicktime file that was 29.97 fps uncompressed 10-bit that appeared to be progessive. How is this aceived?
Thanks
denworks -
5 Replies
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[Denworks] “The most noticable problem is that all straight edges look wavey. This is after I deinterlace the video in Final Cut Pro using the deinterlace filter, accounting for the appropreate field dominance.
What is the most effective way to Deinterlace my video before I compress it for the web? Can it be done on capture?”
There are expensive hardware processors that can do deinterlacing on the fly, but there’s no software deinterlacers to my knowledge that work in realtime on capture in FCP.
I would suggest looking into FieldsKit from RE:Vision Effects. It is far superior to the basic deinterlacing filter that is in FCP.
[Denworks] “One of my clients had a quicktime file that was 29.97 fps uncompressed 10-bit that appeared to be progessive. How is this aceived?”
Hard to say without more information. Do you know for sure that it was shot interlaced?
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There are many third party deinterlace filters for final cut. I am happy with Nattress deinterlacers and I have seen and heard good things about Stibbs filters. They are all better than the FCP built in and demo versions can be downloaded to test for your specific web application.
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Be sure to choose deinterlace or progressive when you’re compressing for the web. You might be making an interlaced file. If you do this you won’t have to deinterlace it in FCP.
Rick
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QT do not support interlaced small films (web-like), so if you do not de-interlace, QT will bad-de-interlace for you. Finish your film and export it interlaced (upper-first if 10b Unc). Re-import it to FC and set it in a 10b Unc sequence but set the field order to NONE. Them drop any of the de-interlacer plugins. I use Nattress or Stibs (this works fine at 100%). You can do the de-interlacing when exporting to the web with Compressor, Squeeze or Cleaner but I preffer to do it in FC.
Cheers,
Rafael -
Sorry, when I mentined Stib De-interlacer I was meaning “TooMuchTooSoon” Smart De-interlacer a free plugin that work great when sets at 100 Motion sensitivity.
Rafael
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