How to Remove Ambient Noise From Audio Files Using Audacity

MakeUseOf | 7/17/2019 | Christian Cawley
townskey13 (Posted by) Level 3
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Have you ever been working on an audio project and spotted something wrong? Perhaps it’s a hiss, regular tapping, or a clock ticking? Maybe a bird squawking, or just general ambient noise.

You really need to get rid of this, otherwise your audio project won’t sound professional. Fortunately, it’s simple to remove background noise from audio if you have the right tools.

Background - Noise - Audacity

Here’s how to remove background noise using Audacity.

If you’re not already using Audacity (available from you can use it to remove ambient noise from your audio. Better still, it doesn’t matter whether the audio was recorded with the software or not.

Audacity - Source - Workstation - DAW - Features

If you have never heard of Audacity, where have you been? It’s the most popular free and open source digital audio workstation (DAW), covering all features and options that you’ll need. Audacity can help you streamline your podcast production as well as making great sound effects, and much more besides.

Making podcasts is fun, but the post-production stage can be time-consuming. If you're using Audacity to edit your podcasts, these three tips can help you save a lot of time.

Audacity - Guide - Audacity - Meantime - Audio

If you’re new to Audacity you should check out our guide to recording with Audacity. In the meantime, you can open your audio in Audacity by opening the File > Import menu and browsing for the file in question.

Why Isolate Voice From Background Noise?

Cases - Background - Audio - Noise - Problem

In some cases, you might be happy to keep the background audio. You might not even have realized that the ambient noise was a problem. So, when should you get rid of it?

There’s a simple rule of thumb here. If the ambient noise detracts from the music or talking that is the main feature of the recording, then it needs to go. At the very least, it needs to be reduced.

Podcasts - Songs - Recordings—anything

Podcasts, songs, and dramatic recordings—anything that needs to...
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