Slowing down even more?

F

fieldreportermf

Active member
Hello,

Assuming one were to shoot 720/60p with a 1/500th(or higher) shutter speed and then conform to a 24p timeline in Cinema tools, how can the footage be slowed down further? I know you can slow in FCP, but is there a method to slow down footage that will maintain nice smooth motion?

Thanks
 
i have converted 50fps to 25fps in CT and then slowed it down to like 80% in FCP after that....seemed to work fine.
 
First of all interlaced footage works much better for slow motion than progressive one.

After that just google slow motion apple compressor. Compressor gives awesome results but then... having 2 fields to duplicate is much better than just one.
 
TWIXTOR...that does GREAT stuff. And yes, 60p is far superior to 60i. full frame information opposed to half frame (or field) information.
 
AwakenedFilms said:
Not sure I agree with you, naavt. 60p give twice as much information to compressor than 60i.


Jason
Click to expand...

You end up with more resolution but to slow it down you want more frames. The interlaced footage gives you 2 fields that compressor automatically separates giving you double of the time instantly with no other artifacts! Thus ending in much smoother slow motion.

You can give it a try in both formats. I did it and the results always favor interlaced by a great amount!
 
There is a plugin in after effects, I forgot the name, that analyses frames and generate new ones or more in between works well but off course there is a limit.
 
naavt said:
You end up with more resolution but to slow it down you want more frames. The interlaced footage gives you 2 fields that compressor automatically separates giving you double of the time instantly with no other artifacts! Thus ending in much smoother slow motion.
Click to expand...
60i = 1 field every 1/60 of a second.
60p = 1 frame every 1/60 of a second.

The temporal resolution is the same.


-Andrew
 
adkimery said:
60i = 1 field every 1/60 of a second.
60p = 1 frame every 1/60 of a second.

The temporal resolution is the same.

-Andrew
Click to expand...

60i (actually 59.94, or 60 x 1000/1001 to be more precise; 60 interlaced fields = 29.97 frames), so...

...In 1 second of interlaced footage you have 60 fields whereas in 60P you have half of that.
 
bigbossbmb said:
60p is not half of that... it is 60 full frames per second.
Click to expand...

Sorry! You're right! I'm making conversions here because I'm in Europe and I was thinking 25P as a PAL system opposed to 30 from NTSC.

If you have a camera that overcranks this discussion makes no sense! I was only saying that interlaced footage works best for slowmo than progressive filmed at 25 or 30 fps.
 
naavt said:
If you have a camera that overcranks this discussion makes no sense!
Click to expand...

The original question is about slowing down further than just over-cranking... a lot of cams shoot 720p60, but what if the OP wants a 120fps slow down or 150fps...

to the OP: I would say shoot 720p60 with a fast shutter and try the optical flow retiming in Motion. Hopefully you won't have to slow it too much farther and the results should be pretty good.
 
bigbossbmb said:
The original question is about slowing down further than just over-cranking... a lot of cams shoot 720p60, but what if the OP wants a 120fps slow down or 150fps...

to the OP: I would say shoot 720p60 with a fast shutter and try the optical flow retiming in Motion. Hopefully you won't have to slow it too much farther and the results should be pretty good.
Click to expand...

Thank to all for the tips, info and suggestions. I will try the optical flow retiming in Motion...Again, thanks!
 
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