You don’t need to rebuild your studio. You don’t need to buy a $400 microphone. What you need is a .

That annoying electrical hum, the air conditioner rumble, or the dreaded "room tone" is ruining your masterpiece.

If you apply noise reduction to a vocal track, then render it (bounce it), then import that rendered track into a new project and apply more noise reduction... your audio will turn into mushy, warbled garbage.

Follow these three steps to stay safe:

Stop talking/playing. Let the room tone play for 3-5 seconds. Highlight that section and tell your plugin to "Learn" or "Capture" the noise floor.

Set your reduction amount to between 6dB and 12dB . Do not try to remove 100% of the noise. Remove 80% of it. A tiny bit of ambient noise sounds natural; a totally dead vacuum sounds fake. A Word of Caution (The "Lasagna" Principle) Here is the golden rule of noise reduction: