How to remove microphone noise/howling/robot/echo sound


If there is howling/robot/echo sound/fireworks/noise in the recorded video, reinstall Bandicam from https://www.bandicam.com/downloads/ and try recording. If you still have problems, try the solutions below.

CASE 1: The audio makes a quick chirp at the beginning of the video (chipmunk squeak sound)

If the audio makes a quick chirp at the beginning of the video, it might be a problem with the codec or your media player.

1. Download the latest version from https://www.bandicam.com/downloads/, and try the .mp4 file type.
2. Try VLC Media Player.
3. Uninstall codec packs on your PC.


CASE 2: How to remove microphone fireworks/noise

1. Use the "Noise Suppression” option of Bandicam

If you want to suppress external noise such as mouse clicks and keyboard sounds, select the “Noise Suppression” option.

bandicam, Noise Suppression



2. Disable "Secondary Sound Device" of Bandicam

Disable the "Microphone" and "Secondary Sound Device" of Bandicam. Without the "Secondary Sound Device", Bandicam can record your microphone with "Stereo Mix" or "Volume Mixer (WASAPI)" of Windows. » See more

bandicam, disable Secondardy sound device



3. Reduce the microphone volume by 50%

If you use the "Two Sound Mixing" option in Windows XP, go to the Volume control window, choose "Recording", and then reduce the microphone volume by 50%.

remove microphone fireworks/noise in Windows XP



If you use the "Two Sound Mixing" option in Windows Vista/7/8/10, reduce the microphone volume by 50% as shown below:

remove microphone fireworks/noise in Windows Vista/7/8/10



You may also check "Disable all enhancements" as shown below:

remove microphone fireworks/noise in Windows Vista/7/8/10



CASE 3: How to remove "microphone howling/robot/echo sound"

1. Use a headset instead of speakers

If you use speakers, the microphone picks up the sound and creates the howling sound. To reduce the howling/robot/echo sound, you have to use a headset instead of speakers. If you don't have a headset, reduce the speaker volume and keep the speakers away from the microphone.

2. Disable the microphone and "Secondary Sound Device" of Bandicam

bandicam, disable Secondardy sound device



3. Mute the microphone volume

If you use the "Two Sound Mixing" option in Windows Vista/7/8/10, go to the "Playback" tab, double-click "Speakers," click the Levels tab, and then mute the microphone volume.

remove echo sound, robotic sound, howling



4. Uncheck the "Listen to this device" in Windows Vista/7/8/10

If you use the "Two Sound Mixing" option, go to the [Recording] tab of Windows, double-click "Microphone" and then uncheck "Listen to this device" under the [Listen] tab.

remove echo sound, robotic sound, howling in Windows Vista/7/8/10




CASE 4: Others

To remove the mouse click sound while recording, select "No Sounds" under the Sounds tab of Windows.

remove mouse click sound, windows ding sound



To remove the sound effect of Windows, check "Disable all enhancements" as shown below:

remove windows effect/noise



If you still have problems, please try "Windows Sound Recorder" (or "Windows Voice Recorder").
If you have the same problem with Windows Sound Recorder, it is not a problem of recording software.

Windows voice recorder, Windows sound recorder



If you still have problems, record the sound settings of Bandicam/Windows and send the video file to bandicam@bandicam.com


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