This is where those squares of foam that you see all over the internet come in handy. Once you’ve got the corners treated, the next thing you might want to do is make sure that the flat surfaces in the room are similarly covered with foam that will absorb the sound waves and keep them from reflecting back into the microphone. Adding bass traps to the corners of whatever room you’re recording in will stop the sound waves from reflecting off the corners, making it easier for your microphone to pick up your voice and not the echoes and reverb of the room.

This can amplify sounds and cause problems if your microphones pick it up. Arguably the most important thing you need to do is make sure that sound can’t bounce around the corners of your room. This is called “ treating the room,” and will make more of a difference to your finished product than you might expect. To make your designated recording area fit to work with audio, what you need to do is minimize those echoes and sound reflections. That echo you get from speaking in a large, empty room is precisely what you want to avoid if you’re recording a podcast from home. If you’ve ever yelled into a cave or tunnel, you know sound waves reflect off the walls and come back with vengeance.

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