The Speech API is the unified version of the speech-to-text and text-to-speech services, and is the successor of the Bing Speech API. In addition to recognizer and synthesizer, speech translation provides real-time, multi-language translation capabilities.
Speech APIs
Speech to text
Azure Speech Services provides a very competent alternative to the native speech recognition features of mobile platforms. Azure Speech Services is a proven technology that is also used for Cortana and supports multiple languages. Speech to text uses the universal language model that was trained by Microsoft-owned data, but it can also be trained further for custom acoustics, language, and pronunciation.
Speech services are available through various...