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In this course, professional audio engineer Scott Hirsch shows how to create an evocative sound mix for a film or video, built from basic audio collected during the shoot and transformed into a final mix using Pro Tools 9. This course shows how to set up and optimize a Pro Tools session template for projects with unique requirements, record Foley and ADR audio, layer sound effects, perform corrections such as noise reduction and pitch shifting, mix for stereo and 5.1 surround sound, and finally, how to format and deliver the finalized mix, whether destined for DVD, movie theater, broadcast, or the web.
In this movie, we'll explore some tools and techniques to use while you're cleaning up dialog and putting that all-important room tone in between your regions, so you can smooth your edits out. One important thing to know about dialog editing is that you will never want there to be in empty space where no sound occurs. So when there's no talking or there is an edit, you must fill it in with room tone. If you aren't given room tone, you can usually find some hanging past the boundaries on the end or beginning of some of the regions, but there are some do's and don'ts. You may have the idea that you can just grab some tone off the end of a region and loop it.
So like right here, it looks like we have some room tone. This seems cool, but it rarely works. Let's see if it works here. I am going to hit C to copy this, and using semicolon, go down to an edit track and V to paste. Let's use the Option+Command+L or Alt+Ctrl+L to loop this eight times. Now, let's see if this actually works as a room-tone loop. (room tone) So we can hear some clicking or something going on that was repeating.
That's not going to work that well as room tone. So I am going to show you a better way to make room tone out of the ends and beginnings of regions. You can use Strip Silence to do it. Click on this and delete it. So to do this, I am going to grab the whole entire original boom track sequence, and I'm going to get that from the hidden OMF track. So I just showed the inactive and hidden OMF track. I am going to select it, and I am going to unlock it-- Command+L or Ctrl+L--and I am going to drag these regions down to my Edit track.
So now I've got this whole sequence, and I know that there's room tone hiding in here between all these takes. If I can find a way to extract it out and slide it all together, it would be much more usable room tone that won't repeat like our looped region. To do this we are going to use Strip Silence. So let me make this track nice and large, so we can see what's going on, zoom in a little bit, and under the Edit window I am going to show the Strip Silence dialog window. It's also Command+U. So here it is.
So this usually is used to actually take silence away. We are going to invert it and use it to leave the silence behind. So you really have to work with the Threshold here. It's going to be different in every case, but you can visually see where it's planning to cut the region. In this case, it works best if I zoom in. You can see around -50, maybe a little higher, -59, or something like that. So basically I'm just trying to get it so that the ends of these regions are leaving some silence in between.
Then we can change the duration around also to further fine-tune it. If you go like this, that's too much, and you kind of back it off. So somewhere around there looks pretty good. So I'm keeping, again, just the stuff in between. I'll make this up a little higher. So now instead of saying Strip, I am going to say Extract, and that will take everything with sound away, and it will leave just the silence. So now we want to snap all the silence together. So we can go ahead and close our Strip Silence window, and we are going to go into Shuffle mode to do this.
So with the grabber tool, I'm just going to take each of these regions on this track and slide it together. So a couple of more down here. There wasn't too much silence in there, but you can see we had a pretty healthy length of pretty usable room tone. Let's take a listen and make sure it works. So even though you might hear some minute sounds in there, they don't repeat like the loop region did. So now we want to put this all together. Before we consolidate it into a single region, we are going to use Batch Fades. So if I have a bunch of reasons selected, and I type Command+F or Ctrl+F for Windows, I am going to get the Batch Fades dialog.
So here it wants to do a 10-millisecond fade. I am going to change that to something even smaller, say five milliseconds. And now we want to consolidate it into a singular region. To do this we can go Edit > Consolidate Region, or it's Option+Shift+3 or Alt+Shift+3 for Windows. Now we have a new region. We can call this 'room tone', and we can use this wherever we see fit during our session.
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