| 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 (ASR) | Speech recognition software, sometimes called a speech engine, which listens to human speech and converts the spoken words to text. |
| Carpal tunnel syndrome | Painful, inflammatory condition that affects the carpal or wrist portion of the median nerve. |
| Continuous Speech Recognition (CSR) | Speech recognition system that enables users to speak normally, pausing only to give commands and insert punctuation marks. |
| Dictation mode | Enables users to dictate text into a computer application. |
| Discrete speech | Speech recognition system that requires the user to pause momentarily between each word. |
| Dragon | Company, also known as Dragon Systems, that released the first continuous speech recognition (CSR) product in 1997 with over 30,000 words in its speech dictionary. The product was called NaturallySpeaking. |
| 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. |
| Lernout & Hauspie | Early leader in the development of speech recognition and translation software. Pioneered many speech recognition technologies and translation tools with Microsoft. Pioneered Natural Language Technology (NLT) commands in its Voice Xpress software. |
| Natural Language Technology (NLT) | Commands that make speaking to a speech recognition system almost as natural as talking to a person. |
| NaturallySpeaking | First accurate, continuous speech recognition product with over 30,000 words in its speech dictionary. This product was created by Dragon Systems. |
| New Line command | Ends the current line of text and moves the insertion point to the next line. |