![]() This new position has been saved to that keyframe. Doing this brings up a hand icon that allows us to click down and move the position of this mask so it covers the circle. Click on the mask here to show the blue outline of it and we can bring our cursor over the program monitor where the mask is. If we move our mask the new position will be saved to that specific keyframe. Let's just get a closer look at our mask and this line indicates the play heads position and where it is within your clip. As you can see, it has done a pretty good job overall, but there are a few areas where the tracking missed the mark, which is okay because we can manually adjust the mask's position in these areas. Let's check out how successful the tracking job was. These are the tracked keyframes that are now holding the position of the mask over each frame of the clip. Press the play icon and this is going to take a few seconds. Next, we'll use Premiere's mask track which does a pretty great job of tracking. Under the mask drop-down menu where it says mask path, click on the circular toggle to the left to place your first keyframe which will hold the position of the mask in this spot. In the effect controls panel, we can adjust the position of the x-axis until the mask is covering this circle. This is where we'll have our tracking begin. We have our mask but as the iPad moves around on the screen the mask stays still, so we gotta track this mask making sure that the V2 track clip which is the mask is selected on our timeline and that our cursor is at the very beginning of the clip. I'm going to select the mask under the crop effect so we can see the blue outline of it and scrub through the clip. Let's go back to the fit view and turn the clip on the V1 trackback. You may choose to increase the feather or decrease it. In this case, I'll leave the feather at 10 depending on the clip you're working with. Our mask feather set to 10 by default which subtly softens the edges of the mask instead of having a sharp edge. We don't want that to be visible, so let's select these top points of the mask and drag them a little lower so that we're just seeing that solid gray part of the iPad. Here we can see the top edge of the iPad starting to show. Let's script through this clip to make sure no distracting elements are going to show up in our mask. We can quickly do that by check-marking inverted and now we have our mask that will track over the circle. ![]() We want just a rectangle mask showing the gray of the iPad and the entire clip around it to be cropped out. Now we have a rectangle cropped out of our clip, but we actually want the opposite of this. Now under the crop effect, let's bring the crop over from the left by scrolling it from 100%. ![]() The decision of the shape of the mask you create should be made on a clip to clip basis but I'm choosing to draw a mask that's a rectangle and larger than the circle because this rectangle mask will blend better with the rest of the iPad and be a lot less noticeable. This will be part of the iPad that we use to cover the circle. That's a more solid color that doesn't have any distracting elements. Select the free draw bezier tool and over an area of the iPad. I'll just scroll down here so we can see the iPad and circle and effect controls under the crop effect. Go to the program monitor, click the drop-down menu here, and change the view to 200%. So we can choose the best area of the iPad to use as a mask. Before we adjust the crop effect, let's get a closer look at our clip. Drag this effect onto your clip on the V2 track. In the effect panel search bar type in the crop. We don't want to be able to see the original clip because if we could see it we wouldn't be able to easily spot our mask and it would just make things confusing. Next, turn the visibility of the original clip on track 1 off by clicking on the eyeball icon so it's crossed out. We'll select this clip on our timeline, hold down the alt or option key on our keyboard and drag up to the second track to create a duplicate of this clip. So check them out and subscribe if you're into editing and shooting tutorials and film gear reviews. Oh, and we have over 60 other film-making tutorials on our ally and will YouTube channel, and release new videos weekly. By the end of this video, you're going to know how to do just that. Let's say you want to hide a logo that's moving around on screen, or you want to hide something that's in the background of a wall. The technique you're going to learn can be used for lots of different things. Hey! I'm Alli and in this quick tutorial, I'm going to show you how to mask and track by hiding this big circular sticker on this iPad here.
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