Open it with audacity.
Edit noise floor in audacity.
There are two steps.
Wait my noise removal doesn t have a noise floor setting.
How to clean up audio in video editing.
So it s no suprise that it features in one of the most frequent questions we re asked which is all about audacity noise reduction.
It will not work very well for removing talking or music in the background.
The audacity manual says in the compressor section.
Audacity comes with a noise reducti.
Click here to download for windows mac and linux.
After downloading install it.
If the sound for your video is a little on the noisy side you can clean it up using the free audio editing app audacity.
The compressor adjusts the gain on audio below this background level so as to prevent it.
If you have audio saved in your computer.
Open your audio with audacity.
Return to the effect to apply the noise profile to all the audio.
Show audacity a noise profile a short section of audio containing only the noise to be reduced.
Audacity is great for cleaning up audio for a podcast or music.
It plays what the audio will sound like with noise removed.
If you want to hear exclusively what the noise reduction is taking out select residue and click preview.
Select the noisy area to edit.
This first step teaches audacity about the noise you want to remove by identifying the noise floor of the different.
To select the area with noise listen to.
Audacity is a free open source audio recording and editing programme.