I wish to create a voice-controlled racing game using the Unity game engine for MAC. In short, the game starts, a user records two separate sounds for acceleration and braking. During gameplay, the user uses a microphone to perform both actions. The idea of using a "sound bar" they could fill up is another idea but not set in stone.
Problem is I can not find any documentation for something of this nature although I know it has been done for games like Tom Clancys End War. Anyone know where to begin? I am searching for anything, books, source code, articles discussing the programming of any type of control through voice.
Thanks in advance everyone.