How to Remove Background Noise from an Audio Recording with Audacity


Today we are going to see How to remove background noise from an audio recording with the Audacit programand in order to leave your audios completely free of any annoying ambient noise.

Audacity is a powerful program for editing sound and improving the quality of the recording that even professionals use. The best of all is that this program is completely free and you can download it without any kind of problems from its official website.

It is quite complex, has countless options and is not exactly suitable for those who are just starting out. Unless they have a predisposition to follow guides and tutorials on it.

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When we record our voice, on many occasions a background noise is felt, the famous “Ambient noise”Which can be annoying, especially in the parts where we don’t speak. You can even hear our breathing, something that does not look very good to say in an audio.

With Audacity we can eliminate that noise in a fairly simple way, which we are going to do next with this simple tutorial which you must follow step by step and in a short time you will have your audio free of noise.

Remove noise from an audio track with Audacity

  • Once you have Audacity downloaded, we will proceed to open the program to load the audio file.
  • For this we are going to press on “File«And then we go to»to import”.
  • Next, we select «Audio”Which will open a window for us to search for the audio we want remove background noise.
  • In order to eliminate ambient noise, what we will need is to get a sample to make the program understand what we consider noise and what we do not.
  • What we will have to do is select a few seconds where we hear a lot of noise to make the program understand where it is. Many professionals when starting to record allow a certain amount of time to pass for later, be able to perform this process quickly.
  • Look in the audio for a moment where you are not speaking or hearing any kind of sound that you do not want to eliminate. When you find it select a few seconds, no more than 3 or 4.
  • Once you find this area we are going to use the selection tool which is in the upper area of ​​the screen.

How to remove ambient noise from audio

  • Now that we have the selected sample, the only thing left to do is go to the «Effect«And then select the option that says»Noise reduction”.
  • This will make Audacity take the zone of noise that we indicate and it will be able to proceed to eliminate it.
  • Then we click on «Get noise profile”And we choose the fragment in question.
  • We go back to Effect> Noise reduction and we will be able to see a window where we will have to adjust the parameters that we are going to use to eliminate the noise.
  • The default setting is generally the one for eliminating average noise. However, we recommend that you try to play around with these options to get the best result.
  • Once you complete this, try to play the audio and you will see that the noise from the audio has been completely eliminated.
  • When you finish editing the audio, the only thing left to do is simply press File> Export and save in the format you want. This way you will get clean audio from ambient noise.

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As you can see, it is a simple tutorial with which in a few steps you can eliminate all ambient noise and other annoying noises with Audacity. Likewise, if you still have any kind of doubt, you can leave us a comment a little below and we will be happy to help you in whatever is necessary.

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