How To Stream from GarageBand to Zoom

Download and Install CASTER app #

Setup GarageBand Input/Output: #

Open GarageBand.
On the top left menu open GarageBand->Preferences
Click on the “Audio/Midi” tab.
Set the Output Device to “CASTER Stream Mix”

Leave the input Device set to your audio interface.

Setup CASTER application: #

Open CASTER application – installed in your Application folder.

Add Application #

Hit the Add application button and Add GarageBand to CASTER tracks:

Add Microphone #

Hit the Add Microphone button and Add your Microphone.

Choose Monitor Device #

Choose your Monitor device to hear your stream:

Set Zoom Microphone to “CASTER Stream Mix” #

Open Zoom.

In the top menu select Zoom.us->Preferences->Audio.

Set the Microphone to “CASTER Stream Mix.”

Double-check that your speaker is set to a CASTER input of your choice.