Mute default capture device (typically microphone) using tray icon click or custom shortcut.
How to add sound on mute / unmute
Shortcut library https://github.com/AlexArchive/Shortcut
AudioSwitcher library https://github.com/xenolightning/AudioSwitcher
Costura.Fody https://github.com/Fody/Costura