New firmware 3.2 brings embedded audio mixing to ATEM Television Studio and 1 M/E switchers.

Release notes here http://www.blackmagic-design.com/media/4710830/Blackmagic_ATEM_Switchers_Windows_3.2.rtf

I know not everyone is happy with "vision mixers doing audio" because... that's why we have audio mixers.
Still IMHO there are some scenarios where it is extremely useful. All internal audio features can be disabled.

/magnus