Slow Motion
Posted on 07. Mar, 2007 by Jerzy Drozda Jr in After Effects
Ever wanted to use a high-speed camera? Well… this tutorial will show you how you can slow your footage down to 50% without interpolating the frames between.
Click here to watch the video tutorial
Learn how to use the fact, that most DV cams record interlaced footage. Separate fields, duplicate frames by applying TimeWarp effect using Whole Frames method, and create blazing fast 50% slow motion effect without calculating intermediate frames. As a result you can turn your 25fps / 30fps digital camera to 50fps/60fps.
Find out more about internace.
Find out more about framerates.
Download: Tutorial project file (After Effects CS2)
Please note that the project file is missing the footage. Make sure to replace it by any other video clip. If you want to avoid adjusting the project I recommend that the footage you’re going to use is 15sec’s long PAL.
22 Responses to “Slow Motion”
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Ahmed
24. Sep, 2007
Very easy and good solution for slowing time down… Maltaannon, I’m sure you know such an easy mothod for deinterlacing PAL footage!!!…
goemon
28. Sep, 2007
Very clever as usual.
david
30. Sep, 2007
first of all i wanna say thank you for all the great tutorials. in this case, i think i have a slightly easier solution.
if you import interlaced pal footage into ae7 and interpret it lower field first into a composition, then enable time stretch 200%, ae automatically uses upper and lower field alternating. just try it.
i think this works good for hd 50i footage, especially if you key something or if you have a defocus background. for sharp objects i find the flickering a little to much.
thanks malt. hope for new tuts.
Violent wisdom
18. Oct, 2007
The only weapon we have to oppose the bad effects of technology is technology itself. There is no other. We can’t retreat into a nontechnological Eden which never existed…It is only by the rational use of technology, to control and guide what technology is doing, that we can keep any hopes of a social life more desireable than our own: or in fact of a social life which is not appalling to imagine.
Pago
11. Sep, 2009
getting a little deep there buddy?
Jordi
13. Nov, 2007
Combustion do that for it self, but It’s good to know how to do slow motion without combustion :)
Ray
03. Jan, 2008
Thank you For this tutorial! This is my new favorite website for After Effects.
jorge
20. Jun, 2008
Thanks for this tutorial!!
jorge
20. Jun, 2008
hey man i dont know if can simulate the new BACARDI MIX AD water and dancer
using only after effect
here is the link
thanks for all the great tutorials!
jorge
20. Jun, 2008
link bacardi MIX AD http://uk.youtube.com/watch?v=tMISQ1YhVAc
cemo
15. Jul, 2008
you rock man ! great help priceless.
Marek
17. Aug, 2008
I was trying to add more slow motion by adding timwrap>pixel motion, but I had problems with making footage in composition 2 times longer as it was done automaticly during your tutorial. Does anybody know how to use timewrap properly? cheers.
Anders Hattne
24. Jan, 2009
Hello! Great technique!
I just decided to use the loopOut expression on the opacity- have every two frames 100% other two 0%(with hold keyframes). Easy and no calculator needed!!
Pago
11. Sep, 2009
how? pls explain
Adam
26. Jun, 2009
Hi Maltaannon,
The link to the project file no longer works! Any chance of re-uploading this one? No worries if not, I’m sure your tutorial will tell me all I need to know!
Thanks!
Jerzy Drozda Jr
27. Jun, 2009
Done. Sorry bout that. Been upgrading the site. Some links might be dead.
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Pago
11. Sep, 2009
Spam…hehe
bruno
12. Sep, 2009
im just watching your live streaming tv first episode and i want to say thank to you for your work, form the first tut to the last.
Marcello Mazzilli
11. Oct, 2009
What I would like to do is to take fields and merge them in a different way…. I think it will come even better but I don’t know with what software to do it.
Let’s say you start with this footage at 50i
1+2, 3+4, 5+6, 7+8, etc…
Each frame is made by two fields
Then you create a 100i footage in this way…
1+2,2+3,3+4,4+5,5+6,… etc
And then you just interpolate..
(1+2), (2+3), (3+4), (4+5), etc…
The result is the same quality as normal 50i–>25p interpolation (merging two fields) but you have double amount of frames for slow motion
Rob
06. Nov, 2009
While playing with this technique in Premiere Pro CS4 I noticed that the Timewarp filter (as used in this tutorial in After Effects, I’m pretty sure they are the same) when set to Whole Frames and Speed at 50.00 is actually seperating the fields and using them one after the other anyway to create a smooth slow motion. I don’t think you need to do all the duplicate clips and Strobe Light steps. Just use the Timewarp filter. Unless of course the Timewarp filter in this tutorial is an older version which doesn’t work the same as the CS4 version.