A trick I've used before in a pinch is to set your monitor connection (via USB-C/HDMI/DisplayPort) as the Zoom audio output. I never use it as an output, so it'

A trick I've used before in a pinch is to set your monitor connection (via USB-C/HDMI/DisplayPort) as the Zoom audio output. I never use it as an output, so it's permanently muted in the on-screen menus. Since Zoom makes it fairly easy to customize audio, it can act as a simple mute effect.