CMD that app to speak up (or shut up)! App level volume control via the NirCmd command line utility

But what about changing the volume level of specific application from command-line and without any user interface ?The new version of NirCmd (v2.50) allows you to easily set, change, or mute/unmute the volume of every application on Windows 7/2008/Vista. There are 3 new commands - setappvolume for setting absolute volume lever, changeappvolume for increasing/decreasing the volume level, and