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using a 60fps comp to see fields?
i’ve heard of a technique of using a comp with double the frame rate in order to see fields for more accurate roto. can someone explain this to me? do i need to change anything in the interpret footage? and how do i output? i am using a clip that is 29.97 ntsc and am going to eventually output with those settings.
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2 Replies
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Man do I hate fields, but sometimes there’s just no getting around them. Take your clip and separate fields depending on your capture hardware (it’s probably lower). Then drag that clip into a 59.94 comp setting. If you step through your comp a frame at a time, you will actually be able to look at each distinct field (lower-upper-lower-upper, etc) which is the only way to properly roto an interlaced video clip. Unfortunately this means you will need to roto 60 times for every second of video you have, compared to 24 times if you were working on footage that originated on film. When you’re all set, drag the 59.94 comp into a 29.97 comp and render with the codec and field order specific to your capture card. Good luck!
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Man do I hate fields, but sometimes there’s just no getting around them. Take your clip and separate fields depending on your capture hardware (it’s probably lower). Then drag that clip into a 59.94 comp setting. If you step through your comp a frame at a time, you will actually be able to look at each distinct field (lower-upper-lower-upper, etc) which is the only way to properly roto an interlaced video clip. Unfortunately this means you will need to roto 60 times for every second of video you have, compared to 24 times if you were working on footage that originated on film. When you’re all set, drag the 59.94 comp into a 29.97 comp and render with the codec and field order specific to your capture card. Good luck!
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