Per app volume control arrived in Vista. Previously you had a single master volume control in the notification area which if you double clicked would open the s

Per app volume control arrived in Vista. Previously you had a single master volume control in the notification area which if you double clicked would open the sound mixer control panel. That panel on XP (and before) only permitted per-device volume control. For reference see [1] at around 04:00 and Larry Osterman's posts from September and December 2005 [2][3]. [1]: http://channel9.msdn.com/Blogs/scobleizer/Steve-Ball-Learning-about-Audio-in-Windows-Vista http://channel9.msdn.com/Blogs/scobleizer/Steve-Ball-Learnin... [2]: http://blogs.msdn.com/b/larryosterman/archive/2005/09/19/471346.aspx http://blogs.msdn.com/b/larryosterman/archive/2005/09/19/471... [3]: http://blogs.msdn.com/b/larryosterman/archive/2005/12/15/504158.aspx http://blogs.msdn.com/b/larryosterman/archive/2005/12/15/504...