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User interface, method, and apparatus selecting and playing channels having video, audio, and/or text streams

  • US 5,557,724 A
  • Filed: 10/12/1993
  • Issued: 09/17/1996
  • Est. Priority Date: 10/12/1993
  • Status: Expired due to Term
First Claim
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1. A user interface for display on a computer-based multicasting system, comprising:

  • a multicast window for playing one or more data streams of a multicast channel selected by a user from a plurality of available multicast channels, wherein;

    the selected multicast channel comprises any combination of a video stream, an audio stream, and a text stream; and

    the multicast window comprises any combination of;

    (a) a video subwindow for displaying the video stream;

    (b) an audio subwindow for displaying audio control functions for controlling the play of the audio stream; and

    (c) a text subwindow for displaying the text stream, wherein;

    the computer-based multicasting system automatically determines which data streams are part of the selected multicast channel and generates the multicast window accordingly, such that;

    if there is no video stream in the selected multicast channel, then the multicast window does not include the video subwindow;

    if there is no audio stream in the selected multicast channel, then the multicast window does not include the audio subwindow; and

    if there is no text stream in the selected multicast channel, then the multicast window does not include the text subwindow.

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