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Here are a few basic terms to get your feet wet:

API - application programming interface

Dragon Systems - their product called NaturallySpeaking made Dragon an early leader in the industry

Error rate - see formula below

HMM - hidden Markov modeling: the most popular technique for acoustic modeling

IBM - VoiceType by IBM is another leading product

Speaker independent - the application works for practocally any user speaking that language; the user does not have to spend time “training” the application in his or her voice.

SV - speech verification: using a speaker's voice as a security validation

TTS - text-to-speech

V-commerce - an industry alliance that “gives voice to e-commerce”; allows phone users to access e-commerce applications on the web

VoxML - voice mark-up language: Motorola's attempt to establish a standard voice interface for web pages.

VUI - voice user interface, as opposed to GUI: graphical user interface

VRT - voice recognition technology

Error rate (E), sustitutions (S), insertions (I), deletions (D), total number of words (N)