Remove noise from microphone

Watch the video:

Steps to remove noise from microphone audio:

Free method - Audacity

1. Download Audacity
2. Capture audio at the highest possible quality (if possible) ensure there are 5–7 seconds of silence before or after the recording to capture the noise profile.
3. Import to audacity.
4. Select the “silence”.
5. Click Effect > Noise Reduction and click Get Noise Profile.
6. Click Effect > Noise Reduction and click OK.
7. Enjoy audio with almost no noise (especially moments of silence in the recording).

Using your own DAW (Digital Audio Workstation) - Adobe Audition is shown as an example