Simulcast of interactive signals with a conventional video signal

  • US 5,585,858 A
  • Filed: 08/12/1994
  • Issued: 12/17/1996
  • Est. Priority Date: 04/15/1994
  • Status: Expired due to Term
First Claim
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1. A fully interactive system for receiving an interactive program signal simulcasting an interactive program and a conventional television program, both programs provided with one conventional television video signal, to multiple subscriber locations permitting authorized interactive subscribers to interact with and receive different and personalized responses from the interactive program and noninteractive subscribers to view and listen to a conventional television program, the system comprising:

  • at least one means for receiving the interactive program signal, wherein the interactive program signal contains a plurality of audio channels, graphics data, control data, a standard video signal and standard audio signal, wherein the control data contains branching codes and trigger points, and whereby the branching codes provide for the linking of one or more audio segments to form a complete and personalized message;

    at least one means for displaying the standard video signal,at least one interactive program means, connected to the receiving means and display means, for permitting authorized interactive subscribers to interact with and receive different personalized responses, comprising;

    a means for demodulating the standard video and standard audio signal;

    means for extracting, connected to the demodulating means, the plurality of audio channels and graphics and control data from the interactive program signal, wherein each audio channel comprises one or more audio segments;

    means for storing the graphics and control data, wherein the graphics comprises graphics codes designating at least one interrogatory message;

    means for gathering at least one subscriber entry;

    program selection means, operably connected to the storage means and extracting means, for reading the control data, controlling operation of the interactive program means, and selecting a personalized response at predetermined trigger points, whereby the trigger point initiates the selection of the personalized response corresponding to an interactive event for presentation to the subscriber, comprising;

    means for selecting one or more audio segments or graphics messages to form a personalized audio or graphics response, whereby the subscriber entry and branching codes are used in each branch in formulating the personalized audio or graphics response;

    a graphics generator, connected to the program selection means, for presenting graphics messages on the display means; and

    means for interactively presenting the standard video and standard audio and the personalized audio or graphics response to the interactive subscribers so that interactive subscribers fully interact with the program to alter program content and interact uniquely and differently from other interactive subscribers to receive personalized responses while noninteractive subscribers continue to receive a conventional television program.

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