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User recognition for speech processing systems

  • US 10,032,451 B1
  • Filed: 12/20/2016
  • Issued: 07/24/2018
  • Est. Priority Date: 12/20/2016
  • Status: Active Grant
First Claim
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1. A computer-implemented method comprising:

  • receiving, from a speech-controlled device, input audio data corresponding to an utterance;

    performing automatic speech recognition (ASR) on the input audio data to determine input text data;

    performing natural language understanding (NLU) on the input text data to determine NLU results data;

    determining a user profile associated with the speech-controlled device, the user profile associated with first training data representing how a first user'"'"'s voice sounds and second training data representing how a second user'"'"'s voice sounds;

    determining, using at least the input audio data and the first training data, a first user recognition confidence score corresponding to a likelihood that the utterance was spoken by the first user;

    determining a first device to receive first text data from, the first text data being responsive to a first portion of the NLU results data;

    receiving a request from the first device for the first user recognition confidence score;

    sending, to the first device, a speech session identifier and the first user recognition confidence score, wherein the speech session identifier corresponds to the utterance;

    receiving the first text data from the first device; and

    sending, to the speech-controlled device, output data corresponding to the first text data.

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