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Configurable speech recognition system using multiple recognizers

  • US 10,049,669 B2
  • Filed: 01/06/2012
  • Issued: 08/14/2018
  • Est. Priority Date: 01/07/2011
  • Status: Active Grant
First Claim
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1. A method of performing speech recognition in a distributed system comprising an electronic device including an embedded speech recognizer and a network device including a remote speech recognizer remote from the electronic device, the method comprising:

  • receiving, by the electronic device, input audio comprising speech;

    accessing, prior to sending at least a portion of the input audio to the network device, personal information stored on the electronic device, wherein the personal information is associated with the electronic device and/or a user of the electronic device;

    processing, by the embedded speech recognizer prior to sending at least a portion of the input audio to the network device, at least a portion of the input audio to produce recognized speech and a confidence value for the recognized speech, wherein the processing is based, at least in part, on the accessed personal information stored on the electronic device;

    determining based, at least in part, on the confidence value, whether to send at least a portion of the input audio to the network device for speech recognition by the remote speech recognizer, wherein the remote speech recognizer does not have access to the personal information stored on the electronic device; and

    sending, in response to determining to send at least a portion of the input audio to the network device, the at least a portion of the input audio and at least some of the accessed personal information stored on the electronic device to the network device.

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