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Frame oonverting HD1080i @ 29.97 to 23.98
I am working on a film that was shot with several HVX200s. The protocol for shooting was 720p at 23.98 (for the P2 cards) and 59.94 (for the Firestore; no other way). However, one of the camera ops shot 1080i at 29.97, which does not have an advanced pulldown pattern that can be removed by Final Cut. Since this project will finish with a transfer to film, I need to find the smoothest solution to frame convert the 1080i footage to 23.98.
Does anyone know a solution that would convert the 1080i@29.97 footage to either 1080p@23.98 or 720p@23.98? …something that easily integrates with Final Cut?
Thanks.
Neal
Building Walls of Vision in a Rub-a-Dub Style
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3 Replies
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Try the Standards Converter from nattress.com. A demo version is available.
Shane
Littlefrog Post
http://www.lfhd.net -
Shane, I tried the demo nattress filters as you suggested and they don’t seem to give me the result that I am looking for, which is 24 progressive frames from the interlaced footage. I cut a 1080i(@29.97) clip into my 720-24p timeline, tried the various nattress filters and could not seem to find a setting that would remove the pulldown pattern that is embedded in the 1080i clip.
Might you know of a solution that will yield progressive frames upon conversion?
For example, you can export a 29.97 clip from quicktime as a 23.98 clip, but you get every frame interlaced, then you have to deinterlace that. This is definitely not preferable since it results in a lot of steppiness in the clip’s action. However, you do get to a place where you have 24 progressive frames, only with half of the information of the original frame. Therefore, I’m looking for a better conversion method that will not result in the steppy quality of throwing away too much information.
Thanks.
Neal
Building Walls of Vision in a Rub-a-Dub Style
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The filter you need to use is called “G Film Converter” and it’s in the Standards Conversion pack. It converts 60i to 24p. Be sure to set field orders to upper for HD though, and it does work very well for your particular conversion.
If you have any problems, please email me direct and I’ll help you as soon as I get back from IBC.
Graeme
– http://www.nattress.com – Film Effects and Standards Conversion for FCP
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