Speech Recognition & Narrator--Two programs that come installed in Windows XP, Vista and 7

What can I do with Speech Recognition

plugging in a microphone into your sound card

Interact with your PC with Speech Recognition

http://windows.microsoft.com/en-US/windows/help/accessibility/sounds-and-speech



How to configure and use Text-to-Speech in Windows XP and in Windows Vista

Windows 7 Narrator

Hear text read aloud with Narrator