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Method and apparatus for generating and displaying N-Best alternatives in a speech recognition system

  • US 7,162,423 B2
  • Filed: 11/23/2004
  • Issued: 01/09/2007
  • Est. Priority Date: 07/20/2000
  • Status: Expired due to Term
First Claim
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1. A computer readable medium storing instructions which, when executed by a computer, cause the computer to perform a method of generating alternatives to words indicative of recognized speech, recognized based on input speech data, comprising:

  • generating a reference path of recognized words based on the input speech data;

    receiving an operator selection input indicative of a selected portion of the recognized speech for which alternatives are to be generated;

    calculating boundary conditions for alternatives based on position bounds of a reference subpath corresponding to the selected portion of the recognized speech; and

    constructing from a hypothesis store, corresponding to the input speech data, alternate subpaths satisfying the boundary conditions.

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