Advanced audio editing with J-cuts and L-cuts
Video: Advanced audio editing with J-cuts and L-cutsI'm going to show you how to do a couple of specialized audio edits. The first one's called a J or an L-cut. In our particular case, we're going to do an L-cut, but it's just kind of a directional thing. The other case, I want to show you how to insert clips into a place where you want to have smooth audio and you don't want to disrupt that audio, but you do want both audio clips to somehow mix together. So we'll start with that J/L-cut concept. I'm going to take this clip here of my daughter and our dog, and our dog is running along here. Actually it's me with a camera, pretending I'm a dog.
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In Premiere Elements 9 Essential Training, author Jeff Sengstack breaks down the editing workflow into bite–sized pieces, covering topics from setting up a project to exporting the final video to any format. The course also covers the basics of editing and advanced features like picture-in-picture overlays and audio and visual effects. Exercise files accompany the course.
- Touring the interface
- Creating a new project
- Capturing video
- Downloading assets and importing media
- Arranging, rearranging, and deleting clips
- Adjusting clip lengths
- Applying video transitions
- Working with video effects
- Animating effects
- Recording, editing, and mixing audio
- Automating edits
- DVD authoring
- Saving and sharing movies
Advanced audio editing with J-cuts and L-cuts
I'm going to show you how to do a couple of specialized audio edits. The first one's called a J or an L-cut. In our particular case, we're going to do an L-cut, but it's just kind of a directional thing. The other case, I want to show you how to insert clips into a place where you want to have smooth audio and you don't want to disrupt that audio, but you do want both audio clips to somehow mix together. So we'll start with that J/L-cut concept. I'm going to take this clip here of my daughter and our dog, and our dog is running along here. Actually it's me with a camera, pretending I'm a dog.
At the end, my daughter says, good boy! I'm going to take this other clip and we're going to sandwich those two guys together. I'm going to do a little edit here in a moment, but inside the next clip, she says good boy. Well, we don't want to have her go good boy, good boy. We just wanted only one good boy. So let me just do a little edit here, where she says good boy and he's looking down. I'm going to trim that away, that point. Now I want to get him just arriving, sort of like right about there where it's logical for the two clips to go together.
So let's see how that works. So we want to get that boy- boy thing out of the way. We want to take the audio from this first clip and have it go under this next clip and remove the part where she says boy again over in this second clip. So let me go to that second clip and get to the point where she says boy. Right at that point she's done. So I want to take this part of the audio away, so that we don't hear the word boy twice and there's a trick to doing that. You want to just edit just this part of the clip, just the audio part of the clip.
Now, you can right click on that clip and say Unlink Audio and Video. Now they're unlinked but they're actually still selected. So I click away. I can select only the bottom one, and I can then track this guy to the right, but watch what happens when I drag to the right. It's going to do a ripple edit. It'll close the gap and it's going to slide the audio to the left and I don't want to slide it to the left. I want it to stay put. I'm going to go Ctrl+Z to undo that. This time I'm going to hold down that Control key in Windows or the Cmd key on the Mac. That's going to make it not to ripple edit anymore. it's going to make it just a standard edit.
It's going to keep it in place. There is this little gap that we just made. Now that's one way to make that gap. I'm going to undo all this and show you a keyboard shortcut to do that. Ctrl+Z undoes that and Ctrl+Z now puts these guys back together. They are now linked together again, because you can see the V and the A saying that's the video part, that's the audio part. I'm going to do that little keyboard shortcut, which is the Alt key on Windows and the Option key on the Mac. So I press down the Alt key. That means now I'm going to affect just this clip on the bottom. Notice that it's the only one highlighted, and to make sure I don't have it slide over again as it did last time, I'll hold down the Control key in Windows and the Cmd key in a Mac, so I got two things going on at once here, and now I'm going to drag to the right.
To the right to the Current Time Indicator, it'll snap and it leaves that lovely little gap. Great! So now we go like this. Oops! Silence, and now we're back. So, I need to fill that silence somehow. I'm going to take the audio from this clip and drag it under this one, so the audio here will continue and then it'll join up with this audio and then it'll continue as my dog runs off screen there. So I need to make this audio go to the right. Now, I think you have already kind of deduced how that's going to work. All I need to do is use that keyboard shortcut I just mentioned.
I'm going to Alt, let's say I want to click only this clip, and then I press Control, so that we don't have any problems with issues about pushing things to the right. Slide that guy over and fill that gap. And now let's listen to the sound here. (Video playing) Now it picks up the audio going back, as if it were seamless, which is really how you want your audio edits to sound. You want them to sound seamless. Okay, let me show you another little audio trick, and by the way let me remind you that is an L-cut. See the shape.
looks like an L. If I drag this way, it would have been a J-cut. Just so you know the difference. In fact you're just taking the audio from one clip and putting it under another in some fashion, J or L. Let's take this clip, which has music on it. When you work with music, there's always issues about, what if I stick stuff inside here, won't that mess up the music? And the answer is yes. It would mess up the music. So here we've got this lovely figure skating routine. Now I want to put another clip, a tight shot, right there inside the music.
I'm going to go here and show you that tight shot. Here we go. I want to get that right where she's about to start jumping. She's got it right about there, she's going to take off, and down here, I want to get right where she's about to take off and somehow match those two guys up using my Arrow key to go forward here, and line those guys up. So I've got this thing lined up. I'm going to take my endpoint and put it right there so that they line up. I'm going to drag this down here and put it right there, hold down my Control key so I don't shove everything to the right and I do an overlay edit, close you.
Let's see how that works. It's not going to work by the way. Oh my gosh! You don't want the music to go away. That would be just horrible. So there's a couple of ways to deal with this. I'll show you the way that I think is easiest. So it's fairly simple to deal with this. We'll just use this methodology where you press down the Alt key or Option on Mac and click on this audio track and drag it down to another audio track here, the Narration track or to the Sound track, doesn't matter which one it is. They're still linked back up again. See the A and the V, that means they're linked together.
And so I can now still play that, the audio is still the same. I'm going to line this guy back up again to where she was about to do her jump, right about there, go back up to here. That should have the edit point in it still. So I'm going to drag it down, let me get out of the way so you can see it, to this point here. I'm going to hold down the Control key on the Windows, Cmd key in a Mac to do an overlay edit instead of an insert. And now what we've done is we have not affected the audio down there. Let's just close this so you can see what I did. (Video playing) Now, I'm thinking, by the way, that I really want to trim this guy a little bit.
So I should have trimmed the end before I put it down but I think you get a sense of how that works. You take the audio, hold down the Alt or the Option key, pull it down to another track, and now, when you lay this guy in there with an overlay, it doesn't cover up the audio that used to be here, it's out of the way, and it will not be harmed in the process. So that's how you do these two specialized kinds of edits: the J or L edit, or this edit where you can keep the music without cutting it in two.
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