Slow-Motion example with 25P and Time-warp at DVinfo.net

Marc Colemont · July 13th, 2006, 08:50 AM

Here is some test footage I made with 720p25 to get a beautifull slow-motion effect without the need of shooting SD60p.
When I saw the rendering, my mouth fell wide open. I wanted to share this rendering to show what is possible now-a-days with software:
www.mc-productions.be/HD100/TimeWarpSample.wmv

It's in WMV-HD for now, because for some reason my AspectHD doesn't want to export to m2t files anymore since build 60 and up.

I used Time-Warp from Adobe After Effects Pro 7.0 with the default time-warp settings. It's warped to 25 %, this means it would require 100 frames per second secording to achive the same result. See for yourself.

Scott Casper · July 13th, 2006, 09:19 AM

Just curious... how long did it take after effects to render that few seconds of video? Looked nice by the way!

Adam Oas · July 13th, 2006, 09:26 AM

Gives it a trippy sort of drug induced look... especially where the stick crosses the line of the cymbal stand.

Not quite the same as a real slo-mo, but I can see where it might have it's use.

I'm going to be going out and doing some tests like this of my own, but thinking i'll try the sd60p to 30p for a %50 slowdown first, then try adding effects and additional slowdown if it works for me.

Marc Colemont · July 13th, 2006, 11:31 AM

Quote:

Originally Posted by Adam Oas

Gives it a trippy sort of drug induced look... especially where the stick crosses the line of the cymbal stand.

Not quite the same as a real slo-mo, but I can see where it might have it's use.

I'm going to be going out and doing some tests like this of my own, but thinking i'll try the sd60p to 30p for a %50 slowdown first, then try adding effects and additional slowdown if it works for me.

I will add more vectors, the default settings are 20 vectors. With the detailed drumset it needs more. I will do some more renderings and tests during the next coming days.
The render-time is not representative at the moment since my Laptop does not have enough memory at the moment to run AE properly.

Chad Terpstra · July 13th, 2006, 07:25 PM

Marc,
The slow-mo looks very nice for starting from 25p. Much better than a regular NLE could do on it's own. I was wondering what a smooth workflow might be for doing this regularly (25-50 clips in a sequence)? Are you running Premiere?

Marc Colemont · July 14th, 2006, 01:35 AM

Yes I'm editing with Premiere since 12 years.
The slo-mo effect itself was made with After Effects.
With the Adobe Production Suite it's very easy to load an After Effects composition within a Premiere project. It acts like a video source to be placed on the Premiere time-line. So editing is easy with stuff made from After Effects. One could also render the video in After Effects and then import the video into premiere, but then the workflow takes more time if you want to adjust something.

Chad Terpstra · July 14th, 2006, 06:31 AM

I see. I'm using the Apple production suite and it functions much the same way. Not sure if FCP will take AE comps, though. Apple is supposed to have a nice re-timer called Optical Flow within Compressor, but from my tests it doesn't work very well and takes years to render. The new Shake is supposed to have the same technology but hopefully it works better than it does in Compressor. Anyone using Shake? Does it slow footage down well?

July 13th, 2006, 08:50 AM	#1
Marc Colemont Major Player Join Date: Nov 2005 Location: Belgium Posts: 695	Slow-Motion example with 25P and Time-warp Here is some test footage I made with 720p25 to get a beautifull slow-motion effect without the need of shooting SD60p. When I saw the rendering, my mouth fell wide open. I wanted to share this rendering to show what is possible now-a-days with software: www.mc-productions.be/HD100/TimeWarpSample.wmv It's in WMV-HD for now, because for some reason my AspectHD doesn't want to export to m2t files anymore since build 60 and up. I used Time-Warp from Adobe After Effects Pro 7.0 with the default time-warp settings. It's warped to 25 %, this means it would require 100 frames per second secording to achive the same result. See for yourself.

July 13th, 2006, 09:19 AM	#2
Scott Casper New Boot Join Date: Mar 2005 Posts: 22	Slo-mo with after effects Just curious... how long did it take after effects to render that few seconds of video? Looked nice by the way!

July 13th, 2006, 09:26 AM	#3
Adam Oas Regular Crew Join Date: Jun 2006 Location: Fort Worth TX Posts: 69	Gives it a trippy sort of drug induced look... especially where the stick crosses the line of the cymbal stand. Not quite the same as a real slo-mo, but I can see where it might have it's use. I'm going to be going out and doing some tests like this of my own, but thinking i'll try the sd60p to 30p for a %50 slowdown first, then try adding effects and additional slowdown if it works for me.

July 13th, 2006, 07:25 PM	#5
Chad Terpstra Major Player Join Date: Jun 2005 Location: Grand Rapids, MI Posts: 320	Marc, The slow-mo looks very nice for starting from 25p. Much better than a regular NLE could do on it's own. I was wondering what a smooth workflow might be for doing this regularly (25-50 clips in a sequence)? Are you running Premiere?

July 14th, 2006, 01:35 AM	#6
Marc Colemont Major Player Join Date: Nov 2005 Location: Belgium Posts: 695	Yes I'm editing with Premiere since 12 years. The slo-mo effect itself was made with After Effects. With the Adobe Production Suite it's very easy to load an After Effects composition within a Premiere project. It acts like a video source to be placed on the Premiere time-line. So editing is easy with stuff made from After Effects. One could also render the video in After Effects and then import the video into premiere, but then the workflow takes more time if you want to adjust something.

July 14th, 2006, 06:31 AM	#7
Chad Terpstra Major Player Join Date: Jun 2005 Location: Grand Rapids, MI Posts: 320	I see. I'm using the Apple production suite and it functions much the same way. Not sure if FCP will take AE comps, though. Apple is supposed to have a nice re-timer called Optical Flow within Compressor, but from my tests it doesn't work very well and takes years to render. The new Shake is supposed to have the same technology but hopefully it works better than it does in Compressor. Anyone using Shake? Does it slow footage down well?