Method for supporting dynamic grammars in WFST-based ASR

  • US 9,502,031 B2
  • Filed: 09/23/2014
  • Issued: 11/22/2016
  • Est. Priority Date: 05/27/2014
  • Status: Active Grant
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First Claim
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1. A method for recognizing speech, the method comprising:

  • at an electronic device;

    receiving user-specific usage data comprising one or more entities and an indication of user interaction with the one or more entities; and

    receiving speech input from a user;

    in response to receiving the speech input;

    composing a weighted finite state transducer having a first grammar transducer with a second grammar transducer, wherein the second grammar transducer comprises the user-specific usage data;

    transducing the speech input into a word and an associated probability using the weighted finite state transducer composed with the second grammar transducer; and

    outputting the word based on the associated probability.

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