| A | B |
| Accent | Way of speaking that is characteristic of a geographic region. |
| Acoustic model | Set of mathematical formulas that analyzes human voice patterns and evaluates the probability of spoken words matching words in the speech recognition vocabulary. |
| Automatic Speech Recognizer | Speech recognition software, sometimes called a speech engine, which listens to human speech and converts the spoken word to text. |
| Carpal tunnel syndrome | Painful, inflammatory condition that affects the carpal or wrist portion of the median nerve. |
| Continuous Speech Recognition | Speech recognition system that enables users to speak normally, pausing only to give commands and insert punctuation marks. |
| Discrete speech | Speech recognition system that requires the user to pause momentarily between each word. |
| Jargon | Unique vocabulary includes technical terms, slang, and phrases not used by the general public. Also called shop talk. |
| Language bar | Speech recognition or voice control center providing easy access to speech and handwriting recognition tools in Microsoft Office. |
| Profile | Special file that collects data about a user's speech patterns. |
| Pronunciation | Sound of words when they are spoken. |
| Say what you see | Voice-activated technology that enables users to access any function or command visible in a dialog box, menu bar, toolbar, or task pane. |
| Scratch That | Voice command that erases the last word or phrase dictated. |
| Train | Process in which a user reads a sample script aloud, enabling the speech recognition system to record an individual's unique speech patterns, increasing the accuracy of the conversation from spoken words to the text. |
| Voice Xpress | Speech recognition product created by Lernout & Hauspie. |