Tuesday, January 22, 2013

Tutorial : How to remove white noise from audio

Here is a quick tutorial on how to remove white noise from your audio. This is handy when you are stuck with a footage that has a lot of wind/room tone interference in the audio.All you need to fix this is a free app called Audacity.

1.Open the audio file in audacity.

The marked region in the audio waveform above is white noise. Now we have to sample a bit from this region.

2. Select a tiny region of white noise from the waveform.

3. Go to Effects> Noise Removal

4. And click on 'Get Noise Profile'

5. Now Select the whole waveform and repeat step 3. And Click 'OK'

You audio will now be WhiteNoise free!