I'd pose a different question:
Is OSX/Win Audio moving _backward_?
If OSX continues to move towards iOS, and Win continues to move towards
Metro, and Thunderbolt stalls, and screens get smaller, and expansion
ports get scarcer, then Linux might become the de-facto "pro" multimedia
platform simply because the other choices have become too dumbed down.
Of course _most_ users will be happy with the ease and power of the
tools that will be available on iOS/Metro. And _most_ users is where
the money is, so Apple/Microsoft are chasing the right users. But there
will be some serious users that need a powerful production system with
big screens and big peripherals, and for these users, Linux might
become the standard.
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