I've been digging around and haven't found a way to control individual application sound volume with AutoIt. And I do mean without having bring up the sndvol.exe GUI and do it with keystrokes. Instead I mean like how the SoundSetWaveVolume() function can do this for the main volume. Yeah, there's a command line tool NirCmd, but I'm hoping to find some way of doing it natively via AutoIt. There is some C# code on Stack Overflow which claims to do it using the volume controls of the Core