How To Clear Background Noise In Audacity

This wikiHow teaches you how to use the "Dissonance Reduction" effect in Audacity to diminish background noise in an audio file.

1
Open Brazenness. This programme's icon resembles a bluish pair of headphones with a red and orange sound wave in the middle of them.
- If you haven't however installed Audacity, you lot can download it for Mac, PC, or Linux from the official site: https://www.audacityteam.org/download/
- Every bit of April 2017, Brazenness is merely partially supported for MacOS Sierra, meaning you may feel bugs while running it on renditions of Sierra.
2

Click File . It'south in either the top-left corner of the screen (Mac) or the top-left corner of the Audacity window (Windows).
3

Hover over Import . You'll meet this option virtually halfway down the File drop-down card.
4

Click Audio . It'southward the tiptop option in the Import pop-out menu. Doing and then volition invoke a window in which you can select an sound file.
five

Select an audio file. If your audio file in question isn't readily available on your computer's desktop, you lot may take to search through the folders listed on the left side of the window here. Once you find the sound file you wish to edit, click information technology to select it.
6
Click Open . Doing and then will open the music file in Brazenness.
- Depending on the file's size, importing information technology into Audacity may accept a few minutes.

1
Highlight the section of your file that y'all wish to edit. To do so, click and elevate your mouse from ane side of the section to the other, and then let become of the mouse push. The section in question will have a nighttime-grey block over it, signifying that it is selected.
- To highlight the whole matter, concur downwards ⌘ Command (Mac) or Ctrl (Windows) and press A .
- It'south best to select the whole audio rails to ensure that the sound remains consequent later on reducing the groundwork dissonance.
two

Click the Effect tab. It's either in the toolbar at the superlative of the screen (Mac) or in the toolbar at the pinnacle of the Audacity window (Windows).
3

Click Noise Reduction . You'll find this option a footling more than than halfway down the Effect driblet-downwardly carte du jour.
4
Click Get Noise Profile . It's at the top of the pop-upward window. This characteristic will determine what is racket and what is not, allowing you to filter out groundwork racket while maintaining the integrity of the song or audio itself.
- This characteristic works best if you select more than three seconds of audio.
v

Click the Event tab again. You should notice that there are at present a couple of new options at the acme of the drop-down menu.
6
Click Repeat Noise Reduction . It'south near the height of the menu here. Clicking this option will apply Audacity's perceived noise profile to the selected portion of the sound file, thereby removing some (or, in some cases, all) of the background noise.
- If this process produces undesirable results, click the Edit tab at the top of the window or screen, then click Undo. After doing so, try highlighting a different section of the audio file.
vii

Save your changes. To do so, click the File tab, click Export Audio, and click Relieve. Your audio file should now have significantly less background racket.

Add New Question

Question

If I mix down everything in my recording and consign it, can I still remove hiss from my recordings?

Recording using a lossy format can introduce noise. Try using a lossless (raw) format, and see if the noise continues.
Question

Is it possible to remove coffee shop noise from an sound clip? I did a podcast interview in a coffee store, simply my Brazenness simply has noise reduction, non removal. The vocals are overpowered by noise.

Recording something that requires crystal clear audio in a public place is never recommended. There'due south actually no way to fix this after the fact.
Question

How tin I export an audio file in Audacity?

Ctrl + Shift + East or just get to File -> Export Audio. You lot can likewise just salve the audio clip if yous're completed.
Question

How exercise I remove speaker noise in Audacity?

Same steps as listed to a higher place, speaker noise should technically exist the aforementioned in terms of backgroud dissonance for removal. You may take to click "Repeat Noise Reduction" several times to get the same event if the speaker dissonance is loud.

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Consider making a copy of the audio file you're editing before you lot relieve whatever changes.

Racket Reduction won't remove all background noise from a song, and it will occasionally remove all audio from a song (if this happens, simply disengage the change and sample a different part of the vocal).

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Article Summary 10

one. Open an sound file in Audacity.
2. Select the part of the audio you wish to edit.
3. Click Effect.
four. Click Dissonance Reduction.
5. Click Get Noise Contour.
6. Click Effect again.
7. Click Repeat Noise Reduction.