MOTU has announced Volta, an audio unit plug-in that allows control of conventional analog synths via control voltage. The control voltages are generated by your audio interface…just as long as your interface’s inputs/outputs are dc coupled. AWESOME!

“Volta receives conventional virtual instrument input such as MIDI notes, MIDI controller data or even high-resolution audio track ramp automation and then responds by outputting a corresponding control voltage signal, which the host software then routes to the outputs of any DC-coupled audio interface connected to the computer. The resulting DC voltage can then drive a standard CV input, such as those found on classic modular synthesizers, modern analog mono synths and even popular effects processors such as Moogerfoogers”