can Unity utilize audio inputs?

I am working on an experiment to translate audio clicks to actions. This could have a number of uses, one of them being an action system based on a microphone click for people that are unable to use their hands to play a game.

I am wondering if this is possible.

Something simple like taking the click and turning it into the equivalent of a key press.

Any help on this would be greatly appreciated!

This is not possible in Unity 3.4, but rumor has it that in 3.5 we will finally have access to the microphone input (at least @Graham Dunnet told that in a comment here, a few weeks ago). Let’s pray for it, brothers and sisters!