# Mute audio in preview

## Aim

To mute audio sources in MediaRecorder. The muted audio is recorded normally in the video files.

## Prerequisite

You selected microphones in the **Video Settings** window.

See [Select an audio device](https://bookstack.noldus.com/link/422#bkmrk-page-title)

## Procedure

Select the audio sources you wish to mute in the **Mute** column.

[![image.png](https://bookstack.noldus.com/uploads/images/gallery/2023-11/scaled-1680-/9D1s3kHeb2eXv1tQ-image.png)](https://bookstack.noldus.com/uploads/images/gallery/2023-11/9D1s3kHeb2eXv1tQ-image.png)