Well, software keys can be integrated into the system's mixer and are much more flexible. A hardware knob can at best be a digital control through the sound card, which would require specialized hardware. Also it wouldn't work if you had an external USB sound card, etc.
Also you shouldn't need special drivers. Not on Windows or OS X anyway, but maybe on Linux. Even then, any decent distribution should have them working out of the box. Even on Arch linux I didn't need anything but the latest kernel to make all the Fn keys work on my netbook.
Also you shouldn't need special drivers. Not on Windows or OS X anyway, but maybe on Linux. Even then, any decent distribution should have them working out of the box. Even on Arch linux I didn't need anything but the latest kernel to make all the Fn keys work on my netbook.
Bassoon, n. A brazen instrument into which a fool blows out his brains.