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Understanding destructive vs. nondestructive effects

From: Audition CS6 Essential Training

Video: Understanding destructive vs. nondestructive effects

In this chapter, we're going to be looking at some of the key effects you applied to your audio files in Audition. Basically, effects are any processes you apply that affect the sound of your audio. We've already seen one effect in action in the previous chapter when we saw how to use the Noise Reduction Effect to remove background noise. So effects can be used to clean up or fix your audio, but they can also be used to enhance it by changing its tone or pitch or to give it a different mood or feel by adding reverberation or changing its timing. There's just a ton of things you can do to your audio with Audition's effects. I'm working with the file here rob_welcome_audio.wav.

Understanding destructive vs. nondestructive effects

In this chapter, we're going to be looking at some of the key effects you applied to your audio files in Audition. Basically, effects are any processes you apply that affect the sound of your audio. We've already seen one effect in action in the previous chapter when we saw how to use the Noise Reduction Effect to remove background noise. So effects can be used to clean up or fix your audio, but they can also be used to enhance it by changing its tone or pitch or to give it a different mood or feel by adding reverberation or changing its timing. There's just a ton of things you can do to your audio with Audition's effects. I'm working with the file here rob_welcome_audio.wav.

And it's just the audio track from a welcome movie of another lynda.com course. Let's listen to a few seconds of it here so you can see what it currently sounds like. (male speaker: Hi, I'm Rob Garrett, and I'd like to welcome you to Cinema 4D R13 New Features. We're gonna explore some key changes to my favorite 3D animation package, Cinema 4D. This new release has brought some important updates, and I'm really excited to share them with you.) Now before we get started, it's very important for me to point out the difference between destructive and non-destructive effects. There are two ways to add effects to your files.

We've previously seen that you can add effects by going to the Effects menu and from here you can select from a variety of effects to apply. For example, I'll go to Reverb and I'll choose Convolution Reverb. This is a tool that can drastically change the sound of your recording to make it sound as if it was recorded in one of several different rooms or locations. Now for the most part, all Effects windows like this has some standard elements in common. Then along the bottom, you'll find the Power button, which is used to toggle the effect on and off, so you can listen to the difference between your audio file as it is, and how it will sound once you apply the effect.

Next to that is the Play button to play your file, although you can still use the playback controls down here as well as the spacebar keyboard command. And the Loop button is convenient to have here as well, especially if you're working on a short selection and wanted to play in a loop as you make your adjustments. So, for example, I might want to select just this first portion of audio here and with loop on, it will continue to play. (male speaker: Hi, I'm Rob Garrett, and I'd like to welcome you to Cinema 4D R13 New Features. We're gonna explore some key changes to my favorite 3D animation package, Cinema 4D.

This new release has brought some important updates, and I'm really excited to share them with you.) (male speaker: Hi, I'm Rob Garrett--) So that's looping. And you should have already been able to hear the difference to what this sounded like before. Now, depending on what effect you're using, you're going to have a variety of tools and interface elements in the main part of the window here. In this case, I can choose from my bunch of preset rooms, and I can hear how each selection affects my recording. So I'll start playing this again, and I'll make some changes. (male speaker: --like to welcome you to Cinema 4D R13 New Features. We're gonna explore some key changes to my favorite 3D animation package, Cinema 4D.

This new release has brought some important updates, and I'm really excited to share them with you.) (male speaker: Hi, I'm Rob Garrett, and I'd like to welcome you to Cinema 4D R13 New Features.) And of course, I can also manually make adjustments using these sliders here. Maybe I want to make the room size a little bit smaller. And I can hear how that sounds by clicking the Play button. (male speaker: We're gonna explore some key changes to my favorite 3D animation package, Cinema 4D.) And I can adjust some other sliders. (male speaker: This new release has brought some important updates, and I'm really excited to share them with you.) So what you're going to see in the main part of the Effects window will vary depending on what effect you have chosen.

At the top of the window, you'll usually find presets if they're applicable to the effect. You also have this button here that lets you save any custom settings you might have come up with as a preset. So I'll click that, and maybe I'll call this Small Damp Cave. I'll click OK and that saves my setting in the Preset menu. So you can see it's right here now. You can also click the Star icon to save this as a favorite, which places the preset in the Favorites menu. You could see it's here now. In this way, I'll now be able to instantly apply this effect without having to even open the Effects window in the future.

Now, up to this point, I've just been previewing what this effect will do to my audio. If I'm happy with how things sound, I need to click the Apply button to apply the effect. Now, if I currently have a selection like this, the effect will only be applied to the portion of the audio that's selected. So if I want to apply these settings to the entire file, I just need to click in the waveform to deselect. And now when I click Apply, my entire file is affected. Notice this particular effect made the waveform smaller, so it actually reduced the amplitude of my overall file. And now, when I play I should be able to hear the effect of the effect.

(male speaker: Hi, I'm Rob Garrett, and I'd like to welcome you to Cinema 4D--) Now what I mean when I talk about destructive effects is that applying effects from the Effects menu like I just did physically changes my file. As we can see, the waveform is now different and reflects the reverberation sounds that I've added to it. If I wanted to alter the effect I applied, I would have Undo this and then choose the effect again with different settings. But if I leave the file looking like this and I save it, that reverb is locked in and I permanently change the file. Now that might be okay, depending on what you're doing with your file, but if you want a little more flexibility-- especially if you're going to be running your audio through multiple effects-- you want to instead use the Effects Rack.

So let me undo my changes here. Take it back to the way it originally was. And the Effects Rack is located right here in the default workspace. If you don't see it, you can open it from the Effects menu by choosing Show Effects Rack. Let's make this a little bit bigger. The difference between applying effects from the Effects menu and applying them from the Effects Rack is that the Effects Rack lets you apply effects and edit or remove them at any time while you're working. Each one of these rows is space for adding effects and you can add up to 16 of them. You can of course add effects on top of other effects using the Effects menu, too, but those are cumulative.

Meaning, you first add one effect, then the next effect applies to the changes the first one made, then the third effect applies to the changes the first two made, and so on. And that's how it works with the Effects Rack, too, but the Effects Rack gives you the ability to remove or alter previously applied effects without altering your file while you're working. And the order in which you apply effects matters too. In Effects Rack, you can rearrange them, so they're applied in a different order, because effects are applied in the order they're listed from top to bottom. So to add an effect, you can click the triangle next one if this rows. It can be any one of them, but I guess it make sense to start with number one and you can apply exactly the same effects as you can from the Effects menu.

So again, I'll choose Reverb, Convolution Reverb and this one though looks nearly identical to the one we were looking at earlier. There isn't a play or loop button here, but again, you can just use the regular Playback buttons or the spacebar. Notice the Preset I created is saved here. And just like before, I can play the file and adjust my Effects settings. (male speaker: We're gonna explore some key changes to my favorite 3D animation package, Cinema 4D. This new release has brought some important updates, and I'm really excited to share them with you.) You can toggle the effect on and off to see how it sounds with and without the effect.

(male speaker: We'll start off by looking at the interface and how it's changed from version 12. Next, we'll take a look at the render engine enhancements--) Notice though, that there's no Cancel or Apply button here. Audition is already rendering the effect live in real time. If I close this window, I still hear the effect. (male speaker: -- render engine is a huge addition--) But I haven't actually changed my file at all at this point. Notice the waveform still looks the same. It hasn't changed its appearance at all. If I change my mind about the effect I added, or I want to edit it, all I can do is double-click it to reopen its settings.

(male speaker: --and it allows for very realistic camera effects like motion blur and depth of field. The character tools have been dramatically enhanced--) And just like that, the change is applied. And to apply another effect, I just move to Rack 2 and choose another effect. Maybe I'll go to Amplitude and Compression, and I'll just choose the Speech Volume Leveler. Now, I'm not going to bother making any changes right now, but again, I can hear what this effect does if I press the spacebar. (male speaker: --the new character and see motion of objects that help you create character rigs--) Maybe I'll make a slight change here.

(male speaker: We'll also explore cool new shaders like subsurface scattering and important workflow enhancements like stereoscopic rendering--) But now, I've added another effect in the Effects Rack. Now, I mentioned that the order the effects appear in matters in some cases. So you should be able to hear a difference if I drag the effects to switch their places. (male speaker: There are a lot of exciting elements in this update of Cinema 4D, and I can't wait to show them to you. So let's get started with Cinema 4D R13 New Features.) Let's let this loop around again. (male speaker: Hi, I'm Rob Garrett, and I'd like to welcome you to Cinema 4D R13 New Features.

We're gonna explore some key changes to my favorite 3D animation package--) So the effect in this case is subtle, but it does make a difference whether one comes before the other. This is another thing that you can't do with the Effects menu. There you're locked in to the original order in which you apply the effects. Here in the Effects Rack you can drag them into whichever order sounds best to you at any time. You can also turn the individual effects on and off just by using their Power buttons. And with the Effects Rack, you also get some additional controls. Down here, there are Input and Output Dials, so you can adjust the level of the audio going into the effect and the level coming out.

And you will find that you'll sometimes need to bump up the output if you're applying effects that lower the volume of your audio. As we saw previously, when I applied the Convolution Reverb effect from the Effects menu, that made the amplitude of my waveform go down. So I very well might want to bump up the output a bit while listening to my file. (male speaker: --package, Cinema 4D. This new release has brought some important updates, and I'm really excited to share them with you. We'll start off by looking at the interface and how it's changed from version 12. Next--) There's also this Mix slider which goes from dry to wet. Dry basically means no effects are applied, and wet gives you the full effect.

Again, you want to play your file, and just drag the slider until the effect sounds right to you. (male speaker: --we'll take a look at the render engine enhancements. The physical render engine is a huge addition to R13, and it allows for very realistic camera effects like motion blur and depth of field.) Now, down here in the lower right is the Process menu. And this is where you can determine whether your effects are going to affect the entire file or just the selection. If you don't have anything selected, that basically means the entire file is selected and the effects will be applied to the whole thing, or you can make a selection and then keep Selection Only applied to just affect that portion of the file.

Now, when you have got your file sounding the way you want, you still have to physically apply the effect of the file. Right now, Audition is just doing some real-time rendering of what the file will sound like with the effect applied. But if I want to save my file with the effects I've selected, I have to click Apply. Notice if I try to choose File > Export > file right now, I get a message telling me that the effects in the Effects Rack won't be applied to the exported file and that I have to click Apply first. So I'll click Apply and at this point, I've now altered the actual file as you can tell by the change in the waveform's appearance.

If I save a file now, it will stay like this permanently. Notice the Effects Rack is now empty. So what's the point of using the Effects Rack if it's going to be destructive just like the Effects menu? It's really about the freedom the Effects Rack gives you to experiment and move effects around to have the ability to really tweak things just right before you apply them. Ultimately, if you're not sure you want to permanently alter a file, just make a copy of it and open that copy in Audition. Alternately, remember you have the Edit menu where you can choose Copy to New, which copies your file on the fly as a new untitled document you can work on without worrying about messing up your original.

You can see now I'm working on Untitled 5, and the original is still sitting here as well. I'm just going to close this one. Don't need to save it. And as always, as long as you haven't closed your file after you apply Effects, you can undo any effects you have applied by pressing Command+Z or Ctrl+Z or using your History panel to jump back to a certain point. So if I wanted to go back to the original file, I could just go back to Open. (male speaker: --New Features. We're gonna explore some key changes to my favorite--) Now, I do want to mention that you will come across some effects that are particularly CPU-intensive.

For example, I'll add the effect Reverb > Full Reverb. That gives me this warning message saying that the selected effect might not be suitable for real-time playback, basically, because it might be too CPU-intensive for your computer to render on the fly. Notice that it also displays the effect in red, so you're aware of this visually. I'll click OK. But if you have a relatively recently manufactured computer, you might not have any issues at all with certain effects. I think I can play this one just fine and let Audition do its rendering on the fly. (male speaker: favorite 3D animation package, Cinema 4D. This new release--) To take a while to calculate there, but now it seems to be playing fine.

Now, if you are experiencing playback issues with certain effects, you'll have to click the Apply button to actually apply them to the file so you can hear them properly. Of course, if you don't like the effect at that point, you'll have to Undo and then remove or adjust the effect, then apply it again to hear the results. But as I said, any new computer should be okay rendering at least a couple of CPU-intensive effects on the fly without having to actually apply them. Okay, so that's an overview of how to apply effects in Audition. In the rest of this chapter, we'll take a look at specific types of commonly used effects.

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This video is part of

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Audition CS6 Essential Training

56 video lessons · 23112 viewers

Garrick Chow
Author

 
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  1. 1m 7s
    1. What is Audition?
      1m 7s
  2. 1m 55s
    1. Welcome
      54s
    2. Using the exercise files
      1m 1s
  3. 21m 6s
    1. Understanding the Audition interface
      8m 49s
    2. Setting up input and output
      4m 7s
    3. Setting essential preferences
      8m 10s
  4. 25m 3s
    1. Importing audio files
      6m 39s
    2. Extracting audio from a CD
      4m 6s
    3. Importing video files
      2m 21s
    4. Recording audio
      4m 50s
    5. Creating a multitrack session
      7m 7s
  5. 8m 8s
    1. Understanding frequency
      1m 50s
    2. Understanding amplitude
      1m 40s
    3. Understanding sample rate
      2m 34s
    4. Understanding bit depth
      2m 4s
  6. 37m 59s
    1. Understanding the Waveform Editor interface
      6m 2s
    2. Making selections
      6m 5s
    3. Adjusting the clip amplitude
      2m 49s
    4. Fading clips
      4m 5s
    5. Normalizing
      5m 17s
    6. Copying, cutting, and pasting
      7m 40s
    7. Undoing, redoing, and using the History panel
      4m 5s
    8. Generating silence
      1m 56s
  7. 24m 1s
    1. Using the Spectral Frequency Display
      2m 53s
    2. Using the selection tools
      7m 18s
    3. Using the Spot Healing Brush
      6m 34s
    4. Removing background noises
      7m 16s
  8. 46m 31s
    1. Understanding destructive vs. nondestructive effects
      12m 35s
    2. Applying compression
      9m 20s
    3. Understanding reverb vs. delay
      4m 44s
    4. Working with filters and EQ effects
      6m 46s
    5. Using special effects
      4m 26s
    6. Isolating vocals in a stereo track
      4m 27s
    7. Working with time and pitch effects
      4m 13s
  9. 1h 18m
    1. Creating a multitrack session
      6m 1s
    2. Recording and importing audio
      9m 42s
    3. Understanding the multitrack interface
      5m 20s
    4. Understanding the Mixer panel
      6m 13s
    5. Editing clips in Multitrack View
      9m 49s
    6. Grouping clips together
      2m 43s
    7. Creating bus groups
      7m 42s
    8. Routing and working with sends
      4m 7s
    9. Using automation
      12m 25s
    10. Pre-rendering tracks
      2m 19s
    11. Exporting the mix
      4m 13s
    12. Exporting the session
      3m 22s
    13. Burning the mix to a CD
      4m 45s
  10. 25m 17s
    1. Working with audio from video
      6m 23s
    2. Importing a sequence from Premiere Pro
      3m 59s
    3. Adding a soundtrack to a video
      3m 45s
    4. Exporting a session back to Premiere Pro
      3m 32s
    5. Using Automatic Speech Alignment
      7m 38s
  11. 9m 46s
    1. Understanding the interface
      6m 17s
    2. Using pan envelopes
      2m 44s
    3. Exporting a multichannel mix
      45s
  12. 52s
    1. Next steps
      52s

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