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Speech recognition technique based on local interrupt detection

  • US 6,963,759 B1
  • Filed: 10/05/1999
  • Issued: 11/08/2005
  • Est. Priority Date: 10/05/1999
  • Status: Expired due to Term
First Claim
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1. In a subscriber unit capable of wireless communication with an infrastructure thereby providing voice communications between a user of the subscriber unit and another person via the infrastructure, the infrastructure comprising a speech recognition server, a method comprising steps of:

  • engaging in a voice communication between the user of the subscriber unit and the other person via the infrastructure;

    locally monitoring the voice communication, using a local speech recognizer included in the subscriber unit, for at least one predetermined utterance;

    providing an interrupt indicator upon recognizing the at least one predetermined utterance with the local speech recognizer; and

    activating during the voice communication, in response to the presence of the interrupt indicator, a portion of a speech recognition element included in the subscriber unit to begin processing voice-based commands, wherein the speech recognition element is implemented at least in part within the infrastructure.

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