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At some point in your video production process, you will probably end up with the project looking something like this. You will have one video track in each of these clips and audio associated with it. Another narration track and perhaps a music track below it. The thing that you are going to run into now is how you make those three tracks behave together nicely so you don't have, let's say, the music stepping all over your narration. So, if you want to follow along with this little process, this audio mixing process, open up the 09-mixing project. Let me just give you an indication of what this whole thing will sound like if you play all three tracks together. (Video Playing) Obviously, the music is too loud; the narration is barely audible and you can sort of hear the natural sound there on the stable.
But what you want to do here is somehow mix those guys together, so they are not stepping all over each other, and you have some kind of pleasant mix where you can hear which you are supposed to hear at any given moment. Well, if you work in the Sceneline, let me show you how that works. I'll go to the Sceneline. We have these three tracks: narration, music and the original video track. If you work with more than three tracks then you can't do this smoothly in the Sceneline. You only have maximum of three audio controls in the Sceneline right there in the left-hand side. But this is a typical process and if you are still working in the Sceneline, you probably aren't more working with more than three tracks.
So this is the way it will work. You can control each track entirely over here. Once you make the change, it changes it for the entire track. It's kind of a brute-force method of controlling the audio. But obviously, the music was too loud so you click on this little icon here to open up the controller and drop the audio level down. You can't really nail it exactly but just to estimate that will go there. Click this one to raise the narration a bit and the bar is a little loud in some places, we will drop that. Let's just see how that sounds right now. (Video Playing) It's pretty good. We have it worked out all right. We can stop that now and maybe adjust the music down just a touch there and then I think we are going have that right. The thing is though that at some point, the narration is going to stop and the music is going to continue and you are going to want the music to come up and you can't use this method to change the audio mid-track, but this is the way you would work if you work in the Sceneline.
If you work in the Timeline, you have more options. So let's say we start all over again in the Timeline where all the audio level set back to their original levels. You can adjust things here using something called the Mixer. Let me open up the Audio Mixer for you. The Audio Mixer has audio controls for each track. Audio1 is the track with the video, Narration and Soundtrack. These other tracks are empty in this particular case. They are available but not being used. So this is where you are going to control things. If I just play it now, I take the current time back to the beginning and play it, I can adjust the volume here.
(Video Playing) It's a pretty good mix right there, but the thing is you got to that point a few seconds into the piece and what's happened is you see all these little keyframes here that were added to the Timeline? Those are keyframes that indicate the audio levels and what happens if I go back to the beginning, it will be too loud at the beginning. (Video playing) It just settles down over here.
So the one kind of little drawback to this process that you need to know sort of the settings that are going to be used in advance before you start changing the Mixer. So you see that the Mixer here is set to -22 and 3 for the Narration and -12. This is kind of the setting you want to set at the beginning before you start rolling. So I'm going to undo all that by pressing Ctrl+Z. It takes care of all those keyframes at once. Now that the settings are correct, if I take this back to the beginning, the settings unfortunately changed back to the original settings. So that's one of the little drawbacks to this thing. You can more or less get it right but you can't get it perfect unless you kind of write down the values. Now, we will try to see what it sounds.
(Video Playing) So now we are pretty happy and that will work right once you kind of get the settings set. What I want to do now is I want to go here to the end where my narration ends and then I want to, let's say, bring up the music at that point. So, I'm going to roll it again and now I'm going to bring up the music then. (Music Playing) So at least you can do that. You can sort of set it at the beginning, get your numbers written down, start all over and then you can make adjustments later if you need to, to kind of adjust places that you want to fade the audio or bring it up.
Finally, if you want to fine-tune all this, you can, let's say, look at the effects. Let's click on this particular clip down here where the things changed over time, we will grab that, I'll go to Edit > Effects, click Edit Effects, click on Volume, open up this. You will see that we added a bunch of keyframes there and if you are into kind of refining the changes, you can open up those keyframes. You can expand the view and take a look at those keyframes and either delete or move or change the values of those keyframes. So it's basically how you mix audio tracks to create a nice blend.
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