Brad wrote:I'm gonna go ahead and assume when you say motion interpolation, you're talking about being able to do good looking slow motion (by adding in in-between frames to non-high-fps footage). Well, the first thing I'd suggest is just using After Effects built-in Pixel Motion frame blending setting. I'll admit, it's not the greatest, but I've had some fairly surprising results with it. Here's a quicky how-to:
1) Make sure your clip is being time remapped (hopefully you already know how to do this. If not, let me know and I'll explain)
2) Right-click the clip on the timeline, and turn on Frame Blending > Pixel Motion
3) Make sure that the Enable Frame Blending button is activated in the comp (it's the icon with 3 little film strips to the left of the Motion Blur activation button)
Then just RAM preview your clip and see how it looks. Typically the very first frame is going to have a big mess of distortion on it, but you can just cut that off.
Now, on the likely chance that it doesn't look as good as you'd hoped, there's the 3rd party plugin, Twixtor. This is what most people use to achieve this effect. I'll go ahead and say, I don't have a ton of experience with it, but on principle it works in a fairly similar fashion to Pixel Motion, but it tends to be far more accurate and has way more settings that you can fine tune (as opposed to Pixel Motion which is just either on or off). I'm sure if you Google it you'll be able to find a bunch of guides/tutorials to help you along the way.
Brad wrote:Hmm. Maybe I'll do a little Ask Brad video on it.
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