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Method and apparatus implementing random access and time-based functions on a continuous stream of formatted digital data

  • US 20020034374A1
  • Filed: 11/26/2001
  • Published: 03/21/2002
  • Est. Priority Date: 10/10/1997
  • Status: Active Grant
First Claim
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1. A process for capturing and storing a video signal, comprising the steps of:

  • providing a plurality of linear caches for storing said video signal as digital blocks;

    providing signal capture means for capturing said video signal and separating multiplexed components of said video signal before storing said components into separate linear caches;

    providing cache playback means for selecting a portion of said linear caches for streaming access;

    providing cache control means for controlling a rate of streaming access from said linear caches;

    synchronizing streaming digital blocks from said linear caches for delivery to said cache playback means;

    wherein said cache control means sends clock events to said cache playback means to control a rate and direction of streaming access; and

    wherein said synchronization step synchronizes the streaming digital blocks from said linear caches such that the streaming digital blocks are correctly positioned relative to each other.

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