Open Windows 11/10 Settings. Go to “ System > Sound.” Open Sound Control Panel. In the Sound Control Panel, select your mic and open its properties. Disable the Listen to this device option.

Some Windows PCs are still having a hard time accessing their laptop's Sound Settings. Here are two easy methods you can try.

However, the option to open Soundscape describes it as "Startup sound, scheme, audio events," so it'll likely replace the "Sounds" tab in the Sounds Control Panel where you can adjust system sounds.