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Method of accessing a dial-up service

  • US 9,978,373 B2
  • Filed: 06/17/2016
  • Issued: 05/22/2018
  • Est. Priority Date: 05/27/1997
  • Status: Expired due to Fees
First Claim
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1. A method comprising:

  • comparing, via a processor, a feature coefficient generated from a speech signal to a user-specific codebook associated with a user who provided the speech signal, to yield a similarity value, wherein the user-specific codebook comprises codes that are formed from cepstrum coefficients generated from utterances spoken by the user;

    when the similarity value meets a threshold;

    adding the speech signal to a database of reference speech signals; and

    adding the feature coefficient to the user-specific codebook; and

    performing a speaker verification process of the user based on the database of reference speech signals and the user-specific codebook.

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