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Method of adapting linguistic speech models

  • US 6,499,011 B1
  • Filed: 09/13/1999
  • Issued: 12/24/2002
  • Est. Priority Date: 09/15/1998
  • Status: Expired due to Term
First Claim
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1. A method of adapting linguistic speech models in automatic speech recognition systems, the method comprising the steps of:

  • receiving speech recognition results during the operation of the systems; and

    evaluating a list of best recognition result alternatives for a speech utterance to be recognized wherein a combination of a plurality of recognition result alternatives of the list is included in the adaptation, wherein in the combination of recognition result alternatives of the list, probability values assigned to these alternatives are weighted with a given numerical value, and an adaptation weight for a recognition result alternative used for the adaptation is formed in that the weighted probability value assigned to this recognition result alternative is related to the sum of the weighted probability values assigned to the other recognition result alternatives of the list.

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