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60i look with Varicam


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#1 Douglas Glover

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Posted 18 November 2007 - 10:42 AM

Hi,
I'm new to posting here and I look forward to joining the community.

I'm shooting a series of spots with the varicam and one of them is supposed to be a mock soap opera. We are using the varicam but want the 60i look. I realize that the varicam is a progressive frame camera but lays everything down to the tape at 60fps. If I shoot 60fps, is there any way to go back to an interlaced look in post? Should I be using the HDX900 instead for this one spot and shoot 60i?
Thanks
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#2 Phil Rhodes

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Posted 18 November 2007 - 11:07 AM

Hi,

Yes, you can do that. You'll have to find some way of turning your 60fps progressive stream into a 30fps interlaced one - effectively, building a frame from odd lines of one frame and even lines of another. On desktop computers there are free tools capable of doing this (Virtualdub, AVIsynth) but you'll have to look at whatever NLE you're using on a case by case basis. At least some of them will do what you want if you simply drop your 60p material on an interlaced 30fps timeline and speed it up 200%.

Phil
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#3 Michael Nash

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Posted 18 November 2007 - 04:01 PM

Many HD decks like Panasonic's HD1400 will downconvert and cross-convert 60P to 60i. This is what 60P and 50P recording systems were designed for; to be compatible with existing interlaced standards. You don't have to record in 60i.
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#4 Douglas Glover

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Posted 18 November 2007 - 09:33 PM

Many HD decks like Panasonic's HD1400 will downconvert and cross-convert 60P to 60i. This is what 60P and 50P recording systems were designed for; to be compatible with existing interlaced standards. You don't have to record in 60i.



Thanks for the advice.
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