Playing with Time
let's dive a little bit more into time and see what you can do in after effects for this video. Use the puppy shot that I've added to your video folder, add that to a new composition just by dragging it in. So first let's talk about freeze frames. So if you go to a point in your video and you want to freeze the frame for example, maybe you want to add a title or you know, whatever you want to do good at that point. Right click good at time freeze frame. So this is going to create a freeze frame for this entire layer at this point. Now, what if you wanted to play up until this point and then freeze frame? Let me undo this. There's a couple ways to do this one would be to literally just Duplicate this layer, like so command d take the top one good time freeze frame and then trim it to this frame So this bottom layer is playing and then when it gets to this one it pauses. So that's one way to create a freeze frame whoop there, it stops. The other is through time. Remapping so time remappi...
ng if we right click a layer and you can do this for video clips, you can do this for compositions for animations for pre comps, click time enable time. Remapping what you'll see is we have this new time remap option and there are key frames and you know what we can do with key frames, we can change the speed of things, we can animate things. So there's a key frame at the beginning and at the end. So if you want to actually speed up this clip you can take this last key frame and move it forward or earlier. So now what it's telling after effects is that from this first key frame to the second key frame we need to play the entire video clip. And so that's speeding it up. If you want to create a freeze frame, what you can do is go to the frame that you want to freeze set a new key frame go forward until you want the freeze frame to stop and then copy this key frame and paste it. So now it plays got our puppy jumping around it freezes and then it continues to play. Now the only issue with this though is that now the distance between this second key frame that we set and this last one is actually shorter than the actual time of the clip Between this one. And let me delete this and this one. The timing is the original. So this clip is actually in slow motion so it's a little bit slower. But by setting this key frame the same one over here, it's actually speeding up the rest of this clip a little bit. So if you want it to be the natural sort of speed for this rest of this clip you'll have to move this last key frame to the right. The same amount as this key frame is from this one. I hope that makes sense. If it doesn't please let me know what if we want to slow down time. Well, to see that let's go to our finder bringing Arby's clip that I just added to the folder, drag that into a new composition. Right click, go to time and then time stretch. So now you can stretch according to while the stretch. Factor 100 is basically going to be no stretch. So if I click OK, nothing basically happens. This is just at the normal speed of the clip. So let's go back. Right click time, time stretch. If I put it at 50 You'll see the time change. So if it's at 100, the new during the duration of this clip is 10 seconds 50. Well, actually speed it up Over 100 will multiply it. So 200 will be two times the speed. So just click. Ok, so now if we play this, our clip plays even slower, so a little bit of slow motion and after effects does a pretty good job at slowing down footage. So if you're looking for a way to slow down footage, even at lower frame rates, it does a decent job at doing so without getting that sort of jittery stuttering look, the other way you can do this and I'm just going to undo what I just did. So we have the original speed is with time remapping and so that's basically enabling time remapping and then extending the distance between these key frames. So let me just go to the point where I want this clip to stop. So say they're set a key frame and then extend the distance between this 1st and 2nd key frame and now it slows it down So you can see there's lots of different ways to do sort of the same effect in after effects. Some are more efficient than others and sometimes it's just a preferential thing. Those are some cool time tricks. It also works for animations. So for this Hello title. So let's go back to our drone shot. If you wanted to slow this down, you can do a time stretch, you can do the time remapping and make it slower and it works really well with animations and motion graphics built within after effects because it knows exactly how to slow it down without getting that jittery study really look that you might get if you're slowing down video footage from a faster frame rate to something that's really slow awesome. If you have any questions, let me know otherwise we'll move on to new and more important things that you should know with after effects