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Most plug-ins in Pro Tools have a Real- Time Audio Suite, or RTAS version, and a non-real time version that we simply call the AudioSuite version. AudioSuite plug-ins process the audio while Pro Tools is stopped, whereas their RTAS counterparts work in real-time. The advantage of non-real time processing is that it does not take up processing power while playing back. To apply in AudioSuite plug-in to an audio region, first highlight the region that you want to process and then choose the plug-in that you want from the AudioSuite menu.
As you can see here, I've already got the region highlighted, and now I can choose from the AudioSuite menu. I'm going to go down to Modulation and choose a Chorus effect. This opens up the AudioSuite plug-in, and now we can go in, and we can choose from any presets that we've got, and I'm going to choose this one, EvenSlo Flange. We can go down to the Preview button and press this, and now we'll be able to here the track soloed with that effect on it. (Music playing.) Wow! So you can go in here and tweak any of the settings that you want.
If you're happy with these settings, then you can hit Process right over here, and Pro Tools will create a brand-new audio file. Let's look at what Pro Tools called this file. I'm going to open up the Regions list, expand it out here. We can see that it acoustic guitar 1-A, which stands for AudioSuite, and then Chr is the chorus affect _01. So we can always tell what this region is in the Regions list because it's got this little moniker here. Note that this is a brand-new audio file.
Now usually what I recommend, before processing a region with an AudioSuite plug-in, is to create a duplicate playlist on the track so that you can always go back to the original unprocessed region, if you need to. So what I'm going to do first is undo that effect and go here, create a duplicate playlist, and we'll call this 'Ac Gtr CHORUS.' Now we have the original playlist here, and the new one that we are about to process here.
So now it's simple enough to switch between the original and the one that we've affected with the AudioSuite plug-in. A good time to use the AudioSuite version of a plug-in is when you're running out of processing power from using too many RTAS plug-ins. In that case, you can save the plug-in setting that you were using in the RTAS version, take that plug-in and off the track, and apply the AudioSuite version, like this. So here we have an EQ plug-in on this bass track, and I'm going to save this setting as 'df bass eq.' Now I'm going to make this inactive.
So I'm going to right-click it and choose Make Inactive. Now I can highlight this track, go to the AudioSuite menu, choose EQ 3, and I can find this right here in my setting: df bass eq. Then it will load it right up. If I hit process, now I've got this bass track affected just like it was with the RTAS version, but now we are not using up in any processing power, because we've inactivated the RTAS plug-in.
You can also use AudioSuite plug-ins for creative effects, like using the Reverse AudioSuite plug-in to process a track in reverse. Check it out! I'm going to take this acoustic guitar track and process it with the Reverse plug-in, which we can find in the Other folder. Let's preview this. (Music playing.) Very cool! So if we hit Process, we'll see that the audio region now is reversed.
You can see they lead in now of the last note that's now become the first note. So as you can see here, you can use the AudioSuite plug-ins for creative effects, like this Reverse plug-in or the Chorus one that we saw earlier, or you can use AudioSuite plug-ins to help lessen the processing load when you're doing a large mix.
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