Select Get Noise Profile to let Audacity know which frequencies to filter out and which to ignore. Once you isolate your clip, go to Effect > Noise Reduction. Now, click and drag your selection with the Selection tool. The important thing is to isolate a section with only the background noise, so it doesn't ruin your voiceovers, dialog, music, etc. If you don't have a selection this big, find somewhere in the audio you can isolate. Make sure you have a recorded selected where there's no one talking, and it's just background noise. In this example, we're isolating some unwanted fan noise from the audio recording and letting Audacity know the frequency we want to remove. The first thing you'll do is help Audacity isolate the background noise you want to remove. Now that you've imported your track into Audacity's workspace, you can follow these three steps to isolate your background noise and minimize it throughout the entire recording.
In our audio file, the mic picked up a hum from the computer fan (one of many ways unwanted sound can sneak in.) If you haven't already, download Audacity and go to File > Import > Audio to select the track you want to edit. Remove background noise in Audacity (3 steps) Thankfully, modern software makes this issue fairly easy to correct. You can turn your mic away from the computer to help mitigate this effect and reduce the amount of software running to prevent the fan from turning on.Įven if you follow all these tips, sometimes unwanted recording sounds still find their way into your episode. Pro tip: Adjust the gain of your recorder (or DAW) so your voice peaks around -12 and -10db.Ĭomputers can make a significant amount of noise when they get hot. Speaking directly into the mic won't distort your audio as long as you lower the gain, and it will help ensure your mic focuses on picking up the frequency of your voice. Turn down the gain (the mic's sensitivity) and get closer to it. The Samson Q2U is our top pick for an affordable, quality, dynamic mic with USB and XLR hookups. Condenser mics are much more sensitive devices designed to capture ambient room noise, while dynamic mics have a more focused range of frequencies, causing it to pick up less ambient sounds. There are two main types of podcasting mics: condenser or dynamic. You can also improve your room tone by choosing a space with natural sound absorbers like curtains, rugs, carpet, couches, etc. To improve your home podcasting space, we suggest finding a quiet, small room away from HVAC units, traffic, external hard drives, white noise, fans, etc. Where you record your podcast is the single most crucial factor in your audio quality. These tips help prevent the need for noise reduction and reduce your time spent editing.
Audacity makes removing noise pretty straightforward, but it's still an extra step that adds additional time to your podcast workflow.
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