Ratio works in a relationship with threshold. Range allows you to set by how much you decide to cut the volume down by. Threshold is the point in which gate begins to act. One thing to note. You can’t use both gate and expander at the same time. This is because while they’re identical in effect, the methods they use are different. These respectively represent the audio signal (yellow/green) and threshold (teal). This means the gate/expander will kick in and reduce the volume of the single below that intersection. Once you turn on either feature, a few lines will appear in the graph above a yellow/green line that’s on the diagonal and a teal line on the vertical. Turning on the expander and gate is done by clicking the title within each panel. Under Expander and Gate you’ll see dials along to the top labelled Threshold, Range, Ratio and Attack, Hold, Release along the bottom. Let’s get comfortable with what each control is and what it does. The gate does the same thing only you can set your point and effectively mute anything below threshold (if you wanted to). For example: you have a track of dialogue with a quiet fan in the background, the expander will work to quiet the background noise while leaving the dialogue untouched. The expander takes your quietest signals in your clip and lowers their volumes in relation to the louder sections. Thankfully understanding how this feature works is pretty straightforward once you get familiar with it’s functions.: They’re all used to manage audio levels, but instead of reducing louder aspects of a clip, the gate and expander are used to manage the quieter, unwanted noises, like background hisses and hums. The Gate and Expander is pretty much the opposite of the compressor and limiter. So go ahead open start up Fairlight, import a clip, and open up Dynamics.

It contains a limiter, compression and a gate/expander, but in this tutorial, all we’ll be looking at is the later. The Dynamics Panel is a powerful tool that’s located within the mixer on the bottom right-hand of the screen. You’ll learn how to use to this feature to make your audio sound cleaner.

In this lesson we’ll go over the Gate and Expander in the Dynamics Panel. The good news is that there’s great tools in DaVinci Resolve’s Fairlight tools to manage those pesky background artefacts! A big culprit in my recordings, even after I’ve done everything I can, is the computer fan. Recording audio at home is always a tricky feat, from microphones picking up sounds you hadn’t even realized where there to begin with, or squeezing in a functional workplace.

Davinci resolve lite reduce noise