Navigating network-based electronic information using spoken input with multimodal error feedback

DC CAFC
  • US 6,742,021 B1
  • Filed: 03/13/2000
  • Issued: 05/25/2004
  • Est. Priority Date: 01/05/1999
  • Status: Expired due to Term
First Claim
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1. A method for speech-based navigation of an electronic data source, the electronic data source being located at one or more network servers located remotely from a user, comprising the steps of:

  • (a) receiving a spoken request for desired information from the user;

    (b) rendering an interpretation of the spoken request;

    (c) constructing at least part of a navigation query based upon the interpretation;

    (d) soliciting additional input from the user, including user interaction in a non-spoken modality different than the original request without requiring the user to request said non-spoken modality;

    (e) refining the navigation query, based upon the additional input;

    (f) using the refined navigation query to select a portion of the electronic data source; and

    (g) transmitting the selected portion of the electronic data source from the network server to a client device of the user.

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