How to remove background noise with Audacity to improve the quality of your podcasts

Getty Images/Chris Canton

Podcasts are everywhere. You’ll find podcasts regardless of subject. But not all podcasts are created equal.

again: The best podcast apps don’t come from Apple or Google

You can have the perfect idea for a compelling podcast, but if you can’t produce quality episodes, you’re not going to get an audience.

In the world of podcasts, there’s nothing more annoying than poor sound quality.

right mic

Before discussing background noise and how to remove it boldness, I want to speak to your microphone first. If you want a really professional-sounding podcast, you need a professional (or prosumer) mic like my favorite. CAD E100SIf you use an old cheap mic, you’ll find that it picks up a lot of extraneous noise and doesn’t produce enough dynamic range to sound professional.

again: 5 best streaming mics

We won’t go into all the details (dynamic vs. condenser, cardioid vs. supercardioid, etc.) here. What I’m trying to say is that there are plenty of professional-sounding mics at non-professional prices. One of the best mics on the market for podcasting his blue yeti (examination here). The Blue Yeti was my microphone of choice when I started podcasting and recording audiobooks.Since then I have upgraded to CAD E100S Because it feels like it has more warmth and range. But the point is, choosing a lower quality mic will result in a lower quality sound.

What is background noise?

Think of this as running AC or heat. What seems like a natural part of the room you record in is the constant hum.

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For example, in my studio I have a very large aquarium with two huge lights that need to be cooled with a fan.my CAD E100S Microphone Pick up that noise every time. Therefore, the background hum should be removed.

What doesn’t count as background noise are unpredictable interruptions, such as random barking of dogs or passing cars. However, even those sounds can be deleted in the same way, as long as they can be found in the timeline.

So how do you remove the background noise from your podcast file before sending it?if you are using boldness, that task is much easier than you think. let me show off

How to Remove Background Noise in Audacity for a Cleaner Podcast

Things necessary: All you need is Audacity installed on Linux, macOS, or Windows. The process is the same, so the operating system doesn’t matter. A recorded file is also required for work, but it is recommended not to test this process on production files yet. Always use a test file first. Or make a copy of the production file and try that. This is a very simple process and probably won’t harm your audio recording. However, it’s better to be safe than sorry.

First, open or create a test file in Audacity.

If your situation is like mine, you have background noise running throughout the file. If so, highlight parts of the timeline that don’t contain voices (or other important sounds).

Audacity timeline editor.

Select a portion of the track to use as a noise profile.

Image: Jack Wallen/ZDNET

[エフェクト]then click[ノイズ リダクション]Click to open a popup.

Select a noisy section,[ノイズ リダクション]With the popup open[ノイズ プロファイルを取得]Click[OK]Click.

Audacity Noise Reduction popup

Apply a noise profile in Audacity.

Image: Jack Wallen/ZDNET

You have to select the entire track that needs to be denoised. To do this, click his CTRL-A on your keyboard (if you need to remove the same noise profile on all tracks) or use your cursor to select the track whose noise needs to be removed. increase.

Go back to Effects > Noise Reduction. Now when the popup appears,[OK]Just click and Audacity will remove all noise associated with the selected noise profile. When finished, you should hear a much cleaner track than before.

again: do you like listening to records?This simple gadget is a must

Now you can use Audacity to remove background noise from your podcasts. It’s a bit of a tedious process, but it works like a charm. If you want your podcast to sound as professional as possible, consider doing this with every file.

https://www.zdnet.com/article/how-to-remove-background-noise-in-audacity-for-better-sounding-podcasts/#ftag=RSSbaffb68 How to remove background noise with Audacity to improve the quality of your podcasts

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