ĭragon Systems released NaturallySpeaking 1.0 as their first continuous dictation product in 1997. DragonDictate was based on a trigram model, and is known as a discrete utterance speech recognition engine. Users were forced to enunciate one word at a time, clearly separated by a small pause after each word. At the time, the hardware was not powerful enough to address the problem of word segmentation, and DragonDictate was unable to determine the boundaries of words during continuous speech input. He was President of the company and she was CEO.ĭragonDictate was first released for DOS, and utilized hidden Markov models, a probabilistic method for temporal pattern recognition. Janet M. Baker, his wife, founded Dragon Systems to release products centered around their voice recognition prototype. Dr. James Baker laid out the description of a speech understanding system called DRAGON in 1975.
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