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HDV Slo-mo
When I put a HDV file into a SD timeline and then slow it down to 50%, no matter what filter I put on it (de-interlace, blend fields, shift fields, etc.) I get a strobing effect. If you step through the timeline the image will go forward for a frame or two and then it will actually go backwards on the next frame, then forward again. Can anyone tell me how to solve this problem?
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6 Replies
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What HDV specs did you capture with? What are the specs for the sequence?
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I digitized HDV1080i60 and the timeline is 8-bit uncompressed.
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Here is something else weird. If I put the clips into a HDV1080i60 timeline and slow them down to 50% and add a deinterlace filter with the upper field, the clip looks fine, then if I export that sequence out as a HDV1080i60 self contained movie and reimport it and then put it into the 8-bit uncompressed SD timeline, it looks OK. I don’t want to have to do this for every clip because I’m using lots of slo-mo, but it is strange that it worked.
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HDV is upper, is your 8bit upper or lower field?
Check out the demo of Standards Converter 2.5.2 at http://www.nattress.com and try out “G Map frames” which does awesome 50% slowdown. I’ve not tried it downconverting at the same time, but if you find you need that as a feature, please email me and I’ll figure it out for you.
Graeme
– http://www.nattress.com – Film Effects and Standards Conversion for FCP
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Tom, can you please give me your insight?
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As Graeme said, the sequences don’t seem match the material, and it sounds as if the fields are reversing.
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