Audacity Forum

Thank you, I will try that. It should be the same hum in all recordings as microphone settings and position did not change and the air conditioner making the hum was always on.

I have tried the noise removal tool and it works fine. The hum is very steady so I guess that helps to remove it. I am just lazy to do it for each file.

Hi, can I do automatic hum removal from speech recordings spoiled by an air conditioner running in the background? The audio has lots of "silence" when the speaker is quiet but the hum is present. So I want to automatically find the quietest few seconds of the recording which will be pure hum as the...