How to Reduce Background Noise on Your Mic

To reduce background noise on a mic, start with the sound entering it. Move the microphone closer to your mouth, turn down nearby noise sources, choose the correct input, and set the input level. Then use noise suppression in your calling app and listen to a test recording.

Start with the microphone, not a software filter

A microphone captures a mix of your voice and sounds around it. Software can reduce parts of that mix, but it may also change how your voice sounds. A closer microphone position generally makes your voice more prominent relative to room noise, without needing to raise the input gain as much.

Try these physical changes before adjusting multiple audio effects:

1. Move the microphone closer to your mouth. For a headset boom, position it beside your mouth rather than directly in front of your breath. Keep a consistent distance while speaking.
2. Reduce the loudest nearby sound. Move away from an air vent, turn a fan down, close a door, or place the mic farther from a keyboard or speaker.
3. Change the direction of pickup. If your mic has a directional pattern, aim its intended pickup side toward your voice and away from the most troublesome sound.
4. Keep speakers out of the mic's path. Headphones help prevent meeting audio from leaking back into the microphone. Echo cancellation addresses that feedback, which is different from removing background conversations.

A headset boom can make the microphone-to-mouth distance easier to maintain when you move at your desk. If you need help with the connection or input selection first, use our headset microphone setup guide.

Adjust mic input and test it in Windows 11

In Windows, first confirm which device is recording. A laptop microphone, webcam, docking station, and headset can all appear as separate inputs. Changing the gain on one device does not help if your meeting app is using another.

1. Open Start > Settings > System > Sound.
2. Under Input, select the microphone you actually intend to use and open its properties.
3. Choose Start test, speak at your normal level, then select Stop test and Play to hear the sample.
4. Adjust Input volume only as needed for a clear voice without obvious distortion, then repeat the test with your normal background noise present.
5. Open your calling or recording app and verify it has selected that same microphone.

Microsoft documents this microphone test and input-volume control in its Windows microphone setup instructions. Lowering gain alone will not selectively remove background noise. If your voice becomes too quiet as well, restore a usable level and improve microphone placement or apply suitable suppression instead.

Turn on noise suppression in Teams or Zoom

Microsoft Teams

In the Teams desktop app, open Settings and more > Settings > Devices, choose the correct microphone, and turn on Noise suppression. You can also change it during a meeting through the meeting's audio settings. Teams commonly enables suppression by default, so confirm the current state before changing anything.

Microsoft's Teams background-noise instructions describe the available controls; the exact options can vary by device and app version. Test the setting during a realistic call, especially when other people are talking nearby.

Zoom Meetings

In the Zoom desktop app, open Settings > Audio. Under Microphone modes, choose Noise removal and adjust Background noise suppression. Auto is a reasonable starting point; stronger settings can help in a noisy room but may remove quieter parts of speech. The available controls depend on the Zoom client and platform.

Zoom explains the Auto, Low, Medium, and High options in its professional audio settings guide. Avoid switching to Original sound for musicians when your goal is removing noise: that mode can disable standard suppression.

Mac and FaceTime

On a Mac, check the selected microphone and input level in System Settings > Sound > Input. During a supported FaceTime call, open the menu-bar audio or video controls and choose Voice Isolation when available. Availability depends on Mac hardware, macOS, and the app in use. See Apple's FaceTime audio options.

Choose the right kind of noise control

• Noise suppression: attempts to reduce unwanted sounds in your outgoing microphone signal, such as steady fans or intermittent typing. Results depend on the sound and processing.
• Noise gate: reduces or mutes the signal when it falls below a threshold. It can quiet pauses but cannot cleanly remove a keyboard click that happens while you speak. An aggressive gate may cut off soft syllables.
• Echo cancellation: limits the far-end audio that your speakers feed back into the microphone. It is not a general solution for nearby people talking.
• Active noise cancellation (ANC) in headphones: reduces some environmental sound heard by the wearer. It does not automatically clean the microphone audio sent to callers.

If your headset or operating system already processes the microphone signal, check the resulting sound before enabling another aggressive filter. The goal is intelligible speech, not the largest number of noise-control switches.

Match the fix to the noise you hear

Fan, air conditioner, or steady hum

Move the mic and the sound source farther apart, then try moderate noise suppression. If the hum is present even in a quiet room with devices disconnected, investigate the audio connection rather than assuming it is normal room noise.

Keyboard clicks and desk bumps

Move the microphone away from the keyboard, avoid placing a desktop mic on a vibrating surface, and check whether your suppression setting handles short sounds. A headset boom often avoids direct desk vibration.

Other people talking nearby

Increase the difference between your voice and background voices through placement and distance. Software may struggle when another person's speech resembles yours. If possible, move to a quieter location instead of depending entirely on stronger filtering.

Hiss, buzzing, or crackling

These can come from input gain, a loose connection, an adapter, a cable, or another part of the recording path. Test the microphone with a different compatible port or device and change one variable at a time. Our headset microphone troubleshooting guide covers connection, routing, and intermittent-input checks in more detail.

Run a before-and-after test before your next call

1. Record a short sample with your usual room sounds while speaking at a normal level.
2. Change one thing: microphone position, input level, or one noise-suppression setting.
3. Record the same passage again at roughly the same distance.
4. Listen for both quieter background noise and intact words, especially soft consonants and the beginnings of sentences.
5. Test inside the actual meeting app. A Windows test recording may not include processing that Teams or Zoom applies during a call.

For voice calls, a reasonably quiet recording with natural-sounding speech is usually more useful than one with perfectly silent pauses and clipped words. Recording music or environmental sound is a different task; stronger voice-focused suppression may remove sounds you wanted to keep.