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HVX overcranking
Posted by Alexander Gao on September 29, 2007 at 8:43 pmHi all,
I recently shot 720p overcranked to 60p, captured directly to fcp from firewire out of the HVX200. The question is: how do I go about getting my 60p footage to smooth slow motion? I tried changing speed of the clip to 40%, but this only made the video look choppy, not like 60p. Do my sequence settings need to be 60p or something? What kind of sequence does the footage need to be in, what buttons do I need to press, etc?I’m sorry if this has already been asked, but I couldn’t find anything wuite the same. I’m really asking the SPECIFICS of how to get my footage to slomo, once I already have the footage.
Thanks,
Alexander Gao
USC School of Cinematic Arts
John C. Hench D.A.D.A.Peter Von puttkamer replied 18 years, 6 months ago 7 Members · 13 Replies -
13 Replies
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Shane Ross
September 29, 2007 at 10:44 pmYou use the DVCPRO HD Frame Rate Converter…installed separately from the FCS install disk in the EXTRAS folder (unless FCP 6 includes this).
Tutorial:
Shane

Littlefrog Post
http://www.lfhd.net -
Michael Sacci
September 29, 2007 at 11:30 pmIf you shot this at 720P@24P (record setup) and 60 Frames in Scene, it will transfer in already sped up. The clips frame rate is be 23.98 and will be slowmo with no speed change in FCP. When going log and transfer you need to deselect “remove pull down and duplicate frames.
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Kenn Bell
September 30, 2007 at 1:46 pmCan I use this to tale slomo 60fps footage and make it regular speed?
gpcreative
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Shane Ross
September 30, 2007 at 2:49 pmNope…once SLO MO, it’s slo mo. This will not convert it back.
Shane

Littlefrog Post
http://www.lfhd.net -
Jim Blokland
September 30, 2007 at 5:48 pmJust a note further to 60p becoming ‘regular’ speed (24fps)…
On a feature I’m cutting, we’ve shot some stuff at 60p, with a slate, and by running the clip at 250% speed on a 24p timeline, I’m able to have synch dialog AND the option to ramp to slo-mo at any point using the variable speed controls. Works like a charm.
Good luck with your project.
Best, JIM.
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Peter Von puttkamer
October 16, 2007 at 4:33 amHi guys- nice work this has been a big help especially with stuff shot at 60fps; can you please answer the following questions re: slomo and finalcut pro.
1. Once this 60fps in HD (720p rez)- is converted- can I transfer back into a DV timeline at 29.87.
2. If I shoot at 23.98- I’m editing on either a 23.98 timeline or DV resolution 29.97 timeline- can I slomo scenes as I would with standard 29.97 480i or 108060i footage? When I apply the slomo filter to my 23.98 footage- it gets jumpy; is there anyway to fix this?
3. Same as above but- material shot at 30fps; can I apply a slomo affect in post- without the flicker?
Thanks…
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Shane Ross
October 16, 2007 at 1:44 pm[Gryphon] “1. Once this 60fps in HD (720p rez)- is converted- can I transfer back into a DV timeline at 29.87.”
You’ll have to convert it with Compressor or something, but yeah it will. BUT, if you are going to a 29.97 timeline, then don’t use the convertert o get it to 23.98…use the converter to get it to 29.97…the same frame rate as the DV sequence.
[Gryphon] “2. If I shoot at 23.98- I’m editing on either a 23.98 timeline or DV resolution 29.97 timeline- can I slomo scenes as I would with standard 29.97 480i or 108060i footage? When I apply the slomo filter to my 23.98 footage- it gets jumpy; is there anyway to fix this?”
Well, not with good results. The LESS frames you have to deal with, the more stuttery your footage will be. Slowing 60 frames down to 30 is smooth…even to 24 is decent. But taking 24 frames and slowing them down makes them 12fps…so it will look stuttery.
[Gryphon] “3. Same as above but- material shot at 30fps; can I apply a slomo affect in post- without the flicker?”
The only slow mo you can do with 30fps is the typical FCP method…which isn’t too smooth. Only shooting 720p60 and using the frame rate converter will result in ultra smooth and good slow motion.
IMHO
Shane

Littlefrog Post
http://www.lfhd.net
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