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Distributed voice user interface

  • US 8,078,469 B2
  • Filed: 01/22/2002
  • Issued: 12/13/2011
  • Est. Priority Date: 04/12/1999
  • Status: Expired due to Fees
First Claim
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1. A system for providing a distributed voice interface to a device, comprising:

  • a transceiver configured to receive input from the device via a communication network, wherein the input is the result of preliminary signal processing comprising keyword detection by the device prior to receipt of the input at the transceiver;

    a memory configured to store an acoustic model of the input; and

    a processing module coupled to the transceiver and configured to perform speech recognition on the received input based at least in part on a previously stored acoustic model in order to recognize a command,wherein the transceiver is further configured to transmit data to the device, responsive to the command, via the communication network using communication channels comprising;

    a high bandwidth communication channel configured to transmit data supporting audio or video output at the device, anda low bandwidth communication channel configured to transmit data supporting control signals for operation of a primary functionality component of the device, andwherein the data comprises audio data generated to be consistent with audio data generated by the device based on a type of the device.

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