This setting prevents Audacity from taking the wrong portions of audio and boosting it by accident. Noise FloorĪdjusting the Noise Floor lets Audacity tell the difference between when you're speaking and when there are gaps in your words or silent parts of your audio. We suggest leaving the Threshold at -12 dB. Selecting -12 dB means any parts of your audio that are louder than -12 will get compressed. Compression happens to the loudest parts of our audio. The Threshold is where you want Audacity to apply compression. Having an understanding of these settings can help. Compressor settingsĪdding the Compressor effect requires some tweaking to get just right. The horizontal axis at the bottom shows the input dB level, and the left vertical axis shows the output dB level. It won't reflect the changes you make with any of the other levers. The graph line only changes as you adjust the Threshold and Ratio. When you open the Compression window, you'll see a blue line graph depicting the dynamic range compression effect. Here, Audacity gives you several levers you can pull to hone your compression.
You can press the Select button on the left of the track to select a portion of the waveform or use the keyboard shortcut Cmd + A to select all the audio tracks.įrom there, go up to the Effects menu > Compressor. To apply compression to your clips, first select the audio where you want to apply the effect. Now that you have an idea of when to use the effect, let's look at how to apply it. Sometimes podcasters record a voiceover that is much louder compared to their interview track, or outro, for instance.Īdding compression in this scenario will make the volume of the voice-over stay within the dynamic range of other clips within the episode. Nearly all audio recordings have portions with vocals that are either too quiet or far too loud.
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