Robust voice browser system and voice activated device controller

  • US 7,881,941 B2
  • Filed: 02/13/2008
  • Issued: 02/01/2011
  • Est. Priority Date: 02/04/2000
  • Status: Expired due to Term
First Claim
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1. A method for retrieving information from pre-selected web sites by uttering speech commands into a voice enabled device and for providing to users retrieved information in an audio form via said voice enabled device, said method comprising the steps of:

  • providing a computer operatively connected to the internet, said computer further being operatively connected to at least one speaker-independent speech recognition engine and to at least one speech synthesis engine;

    providing a voice enabled device operatively connected to said computer, said voice enabled device configured to receive speech commands from users;

    providing at least one instruction set stored in a database operatively connected to said computer, said instruction set comprising;

    a plurality of pre-selected web site addresses, each said web site address identifying a web site containing said information to be retrieved;

    providing a speech command to said speaker-independent speech recognition engine, said speech command corresponding to said instruction set;

    said speaker-independent speech recognition engine assigning said speech command to a recognition grammar, said speech command and said recognition grammar corresponding to said instruction set;

    transmitting said speech command to said speaker-independent speech recognition engine;

    said speaker-independent speech recognition engine receiving said speech command and selecting the corresponding recognition grammar upon receiving said speech command;

    said computer retrieving said instruction set corresponding to said recognition grammar selected by said speaker-independent speech recognition engine;

    said computer accessing at least one of said plurality of web sites identified by said instruction set to obtain said information to be retrieved, said computer first accessing said first web site of said plurality of web sites and, if said information to be retrieved is not found at said first web site, said computer sequentially accessing said plurality of web sites until said information to be retrieved is found or until said plurality of web sites has been accessed;

    said speech synthesis engine producing an audio message containing any retrieved information from said pre-selected web sites; and

    said speech synthesis engine transmitting said audio message to said users via said voice enabled device.

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