Edit Noise Floor In Audacity

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.
Edit noise floor in audacity. 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 fact that it s free makes it a popular option amongst podcasters. There are two steps.
Click here to download for windows mac and linux. Audacity is a free open source audio recording and editing programme. Select the noisy area to edit. If you want to hear exclusively what the noise reduction is taking out select residue and click preview.
Open it with audacity. Open your audio with audacity. If you have audio saved in your computer. It plays what the audio will sound like with noise removed.
This first step teaches audacity about the noise you want to remove by identifying the noise floor of the different. It will not work very well for removing talking or music in the background. To select the area with noise listen to. How to clean up audio in video editing.
Audacity s noise reduction effect can be used to attenuate constant background noise such as tape hiss electric fans or hums. Show audacity a noise profile a short section of audio containing only the noise to be reduced. The compressor adjusts the gain on audio below this background level so as to prevent it. Return to the effect to apply the noise profile to all the audio.
The audacity manual says in the compressor section. Audacity is great for cleaning up audio for a podcast or music.