OBS provides 8 filters you can choose from. To add a filter, click on the Settings gear in the Audio Mixer section and from there, select Filters option. Fortunately, the app has a couple of filters just for noise reduction. If you want to modify the sound in the OBS, then you must use filters. Without further ado, let’s see how you can easily remove background noise in OBS Studio. One such application is OBS Studio, which provides several built-in tools that help reduce background noise while keeping your voice audible. There are a large number of apps with different features that are used for streaming, but it is important to make sure that the sound you provide comes with minimal background noise. Clear audio is an important part of conducting a successful stream or broadcast.