What's this technique called and how do you do it?

andrew00

Well-known member
Hey,

I originally posted this on the FCP forum but was redirected here:

So a friend of mine was super excited today as her fav band the Yeah Yeah Yeah's have announced some London shows. I rewatched my old fav vid of theirs (mostly for the ace solo).

I remember there was a common technique in the video but I've never read how to make it so I was wondering if anyone could tell me how please:

http://www.youtube.com/watch?v=1UiNr8T2Mrc

It's the strobe like effect at 1.38 where the original imprint remains as the person moves through the frame.

Can anyone enlighten me please.

Cheers!
 
For the Yeah Yeah Yeah's music video, I think they took still frames, rotoscoped the person out in photoshop and then layered it back with an offset and the opacity lowered.

It might be hard to do that without a solid background behind the subject but its a cool effect.

If you want, I'll get my AE computer back in a few days and I can make a test project for you.


And for the other music video, I think its just a combination of motion tracking, green screen footage, color effects, and lots of time
 
For the Yeah Yeah Yeah's music video, I think they took still frames, rotoscoped the person out in photoshop and then layered it back with an offset and the opacity lowered.

The Echo effect would do something very similar, if not exact. I don't think they needed to rotoscope anything, not in this case, since the background was black. Something as simple as KNoll Unmult would do all that AND a bag of chips, no roto required.

That probably had something to do with WHY the background was black, but meh, who can say?
 
could i jump in here and ask exactly what UnMult does? I have a vague idea and know it does soem cool things when i tinker with it in various plug ins, but i'm still not exactly sure what it's doing.
 
unmult is like screen from memory. Turns black transparent.
As for the effect i would have guessed echo too but after trying it out, it has too many limitations to create that effect.
Maybe its as fspro said and alot of handy work but without the roto. Could be done easier by importing the bunch of frames as an image sequence and then screening them over the main clip and then fading them in/out as necessary. Or it could be some plugin.
 
Just a temporal shift on black with an additive effect (like a mult/screen, which ever one looks right).

I'd noodle with some scripting to make this work in nuke or shake, but the long way in AE would be to duplicate your footage into about 24 layers, freeze frame each frame for 24 frames, then tween a 24 frame fade in and fade out (with some easing) on each layer, shifting the tween by one frame each.

Off the top of my head, something like that.
 
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