Screen Sharing with Audio

When screen-sharing with audio during an event this feature is supported natively in Chrome for Mac and in Edge and Chrome for Windows.

Follow the instructions below to screen share with audio from Chrome. 

1. Click on small ‘monitor’ icon on the bottom left 

2. The following pop up will appear and tick ‘share system audio’ on the bottom and share


In case you do not have installed one of the browsers mentioned above, to screen-share with audio during an event, you will need to install software that allows you to capture the audio from the video and have that audio recognized as in input by the browser. The process is different if you’re using a Mac or a Windows machine.


  • Download and install the software Soundflower version 2.0
  • Once installed, the software will allow you to use virtual input and output audio on your computer
  • Open your System Preferences and then click on Sound
  • On both Output and Input tabs, select “Soundflower (2ch)”.
  • Open Google Chrome and connect to your VoiceBoxer event
  • Make sure you have VoiceBoxer screensharing extension installed and select screen share as a video source


  • Download and install the VB-Audio software; with it, Windows will detect two new virtual devices: Cable Input and Cable Input. For the latest version of Windows 10, select the two devices as the default ones for your computer
  • Right-click on the speaker icon from your taskbar and select “Open Sound setting” or search “Sound settings” after you press the Windows key
  • Once the menu appears, scroll down to “Related settings” and select “Sound Control Panel”
  • In the panel, you will see two tabs – “Recording” (with “Cable Output”) and “Playback” (with “Cable Input”). Right-click both devices and click “Set as Default Device”. Then whatever sounds will normally be played in your computer’s speakers (e.g. a short film) will be treated as a microphone feed for VoiceBoxer
  • Once you are done with the VoiceBoxer event, be sure to do steps c) 1-3 to select back your original devices as the default ones.

Please note that while either of these two tools is running, no audio will be heard from the computer on which it is being used, thus we recommend using a separate device with these technical requirements for this purpose.