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In this movie, we're going to be talking about a really cool feature in Premiere Elements called Detect Beats. If you like to follow along I'm using the project called Beat Detect in the Chapter 7 folder. Basically I have this cool audio clip called Totally 80s Groovathon. This little loop-based clip that I made in Apple's GarageBand here, so I'm going to drag this down and add this to my project, on either the narration or the soundtrack, track doesn't really matter. Let's just play this back to here what's going on here.
(Electronic music plays.) Oh man, that is a dance party right there. That's awesome! Now this track is really driven by the rhythm, and let's say I wanted to sink up some video clips to the changes of the beats. To be pretty hard right now because I have no idea where those beats are. As I scrub this I can't tell anything about this clip. So what we can do is we could have Premiere Elements automatically detect where these beats should be so that we could sink up our audio to the beats of the song.
Now this could be done in either the Sceneline or the Timeline as you see Detect Beats here, but markers don't show up in the Timeline. This Detect Beats feature actually adds Timeline Markers which we can't really see in the Sceneline. So we're going to go to the Timeline here in order to see them although you can't detect beats in either view. So with this clip selected I'm going to click on Detect Beats. Now these settings are a little bit complex. We could really get in there and be very precise about the type of beats that this is detecting, like how hard they are or how soft they are, how often they are and we could really restrict which beats of the song are getting detected.
So if you have like a rave song for example or a disco song it's very percussion heavy, you might not want a marker like every single second but a lot of that music that's very pounding would create markers very often which you may or may not want. Let's say for example, this top setting here. Minimum time between beats, the default setting is two seconds. For crying out loud, my grandparents don't listen the songs with beats that are two whole seconds apart. So I want to drag this down so that these beats can be closer together.
Let's try and see what this looks like with 0.4. Again with the default settings of 0.2 every single marker is going to be at least two seconds apart, so that's not going to help us too much. So if I click OK now, it takes just a quick second but as I go through here and I play this and watching the play head go through the Current Time Indicator, go through this Timeline we will see that these little markers kind of match up to some of the beats here in the song. (Electronic music plays.) Very cool! Now we could use these markers as visual guides as far as where to put our clips when we're assembling our edits.
Now I found that with this feature you've got to kind of fiddle with it a little bit. There is no one setting that always works and you definitely don't get the results that you're looking for right off the bat. It's an amazing feature in theory but not always in practice. The good news is, is that if you want to Undo this and have it Detect Beats with different settings you could just hit Ctrl+Z to get rid of all those Timeline Markers and start allover again. So let's click Detect Beats again and let's take this down even farther. So there is only a tenth of a second in between each beat.
And if we increase the difference, then we're not going to get as many markers because the beats will have to be even more pronounced for Premiere Elements to go in and create a marker. As we reduce to different setting then it will make even more subtle beats have markers. So if your song maybe has hi-hats and a base and snare you might get markers for every single hit of every single hi-hat and base and snare. We only want the best though, we only want the base and the snare. So I'm going to take up difference and take down minimum time between beats a little bit more and hit OK and see if we come up with here.
So now let's hit the Home key and preview what this looks like. (Electronic music plays.) So it looks like we're getting some of the keyboard as well. So only where there are real tight accents not just base and snare but just real tight accents of them are we getting these markers. So you can see where the melody changes right here visually to the dan... dan... uh... da... da... uh... da... da... na... well, you know I don't have the hum it for you, but you're seeing these groups of two markers right there signifying that particular change.
So if you're going to sink up again your video to those little beats this would be so incredibly difficult without this feature. In the next movie, we're going to talk about the linkage between audio and video a little bit deeper. Specifically we're going to talk about how to get rid of audio attached to video or to unlink them so that you can shuffle them around. That's coming up next.
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