PDF of this tutorialConversational Voice User Interface (VUI)
A speech-recognition system that interacts with a user in the same waythat a person naturally communicates with other people on a daily basis.
CPI
Context application programming interface that exists between the VUI and the applications that translate the utterances received by the VUI into a representation that can be used by any application, regardless of language
DTMF
Dual-tone multifrequency tones; keypad tones
Human Factors
The examination and design of user interfaces by considering ease of use, effectiveness, and safety for human users. It uses psychological, physiological, and cultural research and system testing to create a body of knowledge on how to develop a good user interface for a given task.
Multimodal
Able to be accessed or controlled in more than one way, i.e., by voice, listening to information, viewing text or pictures on screen, responding via touch-tone, voice-control or key-click navigation, regardless of how the content was created
Speech-recognition engine
Responsible for converting audible sounds into words or phrases
Voice portal
Allows users access to information, to check voice-mail and e-mail messages, and to place calls over the telephone using nothing but their voices.
