I will add that if you install "VoiceAttack" on a Windows PC, then you can program it to respond to voice commands. Not what you are asking, but it is an interface which has audio interaction, and can be used with other software. See:i'm a lonely disabled snr of sound mind. i would benefit from a pc mounted bot providing humanoid interraction and periodic care/supervision. people aren't always free to interact with me, but a machine wouldbe. anything exist, or i can test for developer?