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System for adapting speech recognition vocabulary

  • US 9,779,722 B2
  • Filed: 11/05/2013
  • Issued: 10/03/2017
  • Est. Priority Date: 11/05/2013
  • Status: Active Grant
First Claim
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1. A method for adapting a speech recognition and generation system, said method comprising:

  • providing a speech recognition and generation engine that processes speech received from a user;

    providing a dictionary adaptation module that adds words to a baseline dictionary of the speech recognition and generation system by extracting words and adding out of vocabulary words to the baseline dictionary of the speech recognition and generation system; and

    comparing words from an incoming message with sets of word groups in the dictionary and adding new groups of words that are not in the dictionary, said new groups of words being from a list of new words that are related to the words from the incoming message and predefined based on a subject of a message exchange that includes the incoming message, and where the out of vocabulary words are only added for conversations between a sender and a receiver of the incoming message that have used the extracted words a predetermined number of times.

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