BingDev Center
Speech
Interacting with voice
Getting started
Voice Commands
Lets users open and navigate your app with their voices.
Speech Recognition
Transcribes user speech into text.
Speech Synthesis
Also known as Text to Speech, speaks to users in a natural sounding voice.
Download the Speech Recognition Control for Windows 8 and Windows 8.1.
Download the Windows 8.1 SDK to get Speech Synthesis for Windows 8.1.
Download the Windows Phone 8.1 SDK to get all three capabilities for Windows Phone 8.1.