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Tutorial: Sound Removal, Auto-Speech Alignment, and More in Adobe Audition CC

Exploring 3 new key features in Audition CC, the newest version of Adobe's professional audio editing application: Sound Removal for eliminating hums and other variable-frequency unwanted noises, the Loudness Radar Meter for matching and adhering to broadcast volume standards, and Automatic Speech Alignment for ADR.

After Audition has learned the Sound Model established by your selections, your next step is to select the area you want to remove it from. In this case, just for the sake of time, I'm only going to select a short section of the timeline. Then you go to Effects > Noise Reduction/Restoration and choose the Sound Remover tool (Figure 6, below).

Figure 6. Choosing the Sound Remover so Audition can apply it to the selected region of the timeline.

As soon as you click on Sound Remover, Audition opens the comparison view shown in Figure 7 (below), previewing your effect. And it's going to start rendering it in real time.

Figure 7. Previewing the effect in a comparison view.

While you're waiting on that you can look through some of the presets and adjusting them to best match your file. Figure 8 (below) shows some presets you can choose from.


Figure 8. Sound Remover presets.

But you can also just tweak all the effect’s parameters to your heart's content in the Sound Remover dialog, as shown in Figure 9 (below).

Figure 9. The Sound Remover dialog features a range of parameters you can adjust to fully customize the effect.

Go to 3:24 in the video below to hear what it sounds like before I officially render it, and to compare the portion of the clip at the beginning of the timeline where we applied the effect to the section just after that which hasn’t been altered.


As you probably could hear, we did lose some of the bottom end. But applying the effect did crisp it up a bit. It rid of some of that record crackle that's on there, which some people would say is a travesty. But let's just say, for sake of argument, that I don't want it in there. Click Apply at the bottom of the Sound Remover dialog (Figure 9) to apply the effect. Once it's finished rendering, go back to the beginning, get rid of your selection, and listen to it one more time just to compare the portion of the clip with the effect applied to the portion immediately afterward (starts at 4:17 in the video clip above).

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