How To Get Rid Of Background Noise In An Audio File

Remember blurry or shaky video is a problem? Certain, video quality is important, only sound noise can ruin your video simply as quickly.

But fixing muddy or noisy audio tin exist a real pain. And recording clean sound can be tough, especially in noisy environments.

Whether it's groundwork noise or less-than-ideal equipment, sometimes you end up with hissy or otherwise noisy sound.

But fixing audio racket doesn't take to be hard or time-consuming. In fact, it can be very easy!

We'll show you how to reduce audio noise in your videos.

Here's what you lot'll acquire

What is audio noise?
How noisy sound tin ruin your viewer's feel.
How to reduce audio noise before yous start recording.
How to reduce audio noise in your recording.
How to easily set noisy audio, even if it's already embedded in a video.

The Easiest Way to Tape and Edit Voice Over Audio

TechSmith Audiate transcribes your vox every bit you record, so you can edit your audio just like a text document! Plus, apply filters and effects like Dissonance Removal to ensure your sound sounds bang-up!

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What is sound dissonance and why is it harmful?

In that location's no single definition of sound noise, but in general, information technology's background sounds such as fans, people talking, cars or trucks driving past, buzz from faulty audio wires, or other ambience noises that shouldn't be in your video.

Noisy audio distracts your viewers from the important information from the person speaking in your video.

Good audio goes a long mode in making a skillful video

In fact, our study, Video Viewer Habits, Trends, and Statistics You Need to Know plant that a whopping 75% of the videos nosotros analyzed had clear and easily understandable vocalism overs.

But that's not all. About xc% of the videos that submitters rated four or five stars for "how accurately did the video achieve its goal" and "how did you personally rate the video" had clear audio.

Check out these examples.

Noisy Audio

In the example below, you tin clearly hear a hiss. It's not overly distracting, but it could be a lot better.

Make clean Audio

Now check out the aforementioned prune with the sound racket removed.

Clearly (pun intended) the second clip sounds meliorate. It'southward cleaner, clearer, and it sounds more professional person.

How to remove background dissonance from audio BEFORE yous tape

The all-time way to ready noisy audio is to not take noisy sound to begin with. That means recording in an surround that'southward as quiet as possible.

You lot don't demand a professional person recording studio to get great results, but you do want to pick the quietest room or expanse you tin can discover.

Then, you should get familiar with the typical ambient sounds in that area.

Can you hear large trucks or other traffic from outside? What about the heating or air conditioner system? Can y'all hear the fan turning on and off? Tin you hear colleagues or others talking in other rooms? Is at that place a fizz from the fluorescent lights?

Those are just a few of the kinds of noises that can show up on your voice over when you record.

Next, do a exam recording of your room. Y'all don't demand to speak, but use the microphone you will use for your voice over recording. Record 10-20 seconds of the natural racket in the room.

This is called recording your room tone.

Then, listen to your room tone recording in headphones. What tin you hear that you can immediately eliminate?

For example, if y'all can hear the fan from your heating/cooling system, you could plow information technology off while you tape. If you hear people talking in the groundwork, you could (politely) ask them to move their chat to a different area. You can plow off any buzzing lights if possible.

Your room tone recording volition also help you reduce audio noise subsequently you've recorded.

Your room tone recording can be a baseline for your audio software to remove noise.

Let's run into how.

The Easiest Way to Record and Edit Vocalization Over Sound

TechSmith Audiate transcribes your phonation as y'all record, then you can edit your audio just like a text certificate! Plus, utilise filters and furnishings like Noise Removal to ensure your audio sounds great!

Try Audiate Free

How to reduce audio racket

There are a lot of gratis audio editing applications out at that place, only they can be complicated and require at least a bones knowledge of audio editing techniques.

In this instance, I'll show you how to reduce audio dissonance using TechSmith Audiate.

Put just, Audiate is the easiest way to record and edit voice over audio. It transcribes your voice over as you lot record, so you lot can edit your audio like text. It can also transcribe voice over recordings yous import.

Notation: The steps below are for reducing noise in audio you lot are recording, not imported audio.

Stride one: Record your room tone audio and vocalization over

Pretty straight forward. Go 10-twenty seconds of what your room sounds like. And then, in the same recording, record your vocalisation over.

Edit your vox over as needed.

Footstep ii: Employ the DeNoise filter

The Audiate add effects and filters panel.

Click the filters and effects button, click "+" sign to add an event, and choose Remove Noise.

Arrange the effect's settings to reduce as much of the room tone noise as possible from the first 10-20 seconds yous recorded.

The Processing slider adjusts how much dissonance will exist removed. While information technology'southward tempting to remove ALL the noise from your recording, doing so will likely brand your phonation over sound muddy or unnatural.

The Focus dropdown allows you lot to choose what types of sound frequencies y'all want to filter out. For instance, if your audio noise is more often than not stuff like hissing or other loftier-frequency sounds, you lot could select High Frequency.

The Output slider allows you lot to adjust the volume of the sound coming out of the filter.

The Remove Hum/Buzz switch can automatically remove many kinds of hums and buzzes common to noisy audio.

Step 3: Check your vocalisation over

Once y'all accept reduced the noise in your room tone, heed to how the filter afflicted your vocalism over recording.

Does it sound skillful? Or, does it sound weird or unnatural?

Applying besides much noise reduction can sometimes make your voice over sound muddy or strange. Accommodate the settings if necessary to maintain optimal dissonance reduction while likewise keeping a natural audio to your voice.

How to reduce sound noise in a video editor

TechSmith Camtasia also works well for removing audio noise.

This is especially useful for videos where the sound is already embedded.

Step 1: Open your video in Camtasia and divide the audio and video

Separating sound and video tracks in Camtasia is incredibly easy.

Righ-click on the video on the Camtasia timeline and select Separate Video and Audio.

Just right-click on your video in the Camtasia timeline and choose "Separate Video and Audio."

Your audio will now announced on a separate runway on the Camtasia timeline.

Separated audio and video on the Camtasia timeline.

Step 2: Apply the Remove Noise audio effect

Click Audio Furnishings and drag the Remove Noise effect to the audio track on your timeline.

In the properties panel, you can adjust how sensitive the noise reduction effect is with the Sensitivity slider and the amount of dissonance to remove with the Reduction slider.

As with the noise reduction in Audiate, exist careful not to go hog-wild with the noise reduction or your sound volition sound strange.

Say good day to noisy audio

Recording your voice over or other audio in the quietest place possible is the first step in ensuring a clean and clear recording. Only even the nearly remote location will have some ambient sounds.

Knowing how to use the noise reduction tools available to you tin go a long manner in ensuring your videos sound every bit good as they look.

The Easiest Way to Record and Edit Vocalisation Over Audio

TechSmith Audiate transcribes your voice as you lot record, and so you can edit your audio just like a text document! Plus, apply filters and effects like Noise Removal to ensure your audio sounds keen!

Endeavor Audiate Gratuitous

The sound in my video is noisy, can I fix it?

Yes! With the correct tools, fixing noisy audio tin can be very easy.

Is there anything I can practice to prevent noisy sound before I record?

The best way to ensure your audio isn't noisy is to record in the quietest spot possible.

How do I reduce audio noise?

Use your audio editors noise reduction feature. In TechSmith Audiate, click the Filters and Furnishings push button and then click the plus sign and choose DeNoise. You lot can suit the settings to get the sound you want.

How do I reduce audio noise in a video?

TechSmith Camtasia has filter to reduce audio dissonance. Dissever the audio and video on the Camtasia timeline and then apply the Noise Reduction sound effect.

Editor's Notation: This mail was originally published in 2016 and has since been updated for accuracy and comprehensiveness.