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Broadcast digital sound processing system

  • US 5,303,326 A
  • Filed: 07/06/1992
  • Issued: 04/12/1994
  • Est. Priority Date: 03/30/1990
  • Status: Expired due to Term
First Claim
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1. A method of recording and playing analog program signals using signal processor means, computer means and reconstruction means interfaced to said signal processor means, and a read/write computer data disk interfaced to said computer means, said method comprising the steps of:

  • (a) storing on said disk first digital program data and second digital program data representing respectively a first analog program signal and a second analog program signal;

    (b) outputting from said reconstruction means at least one of said first analog program signal and said second analog program signal by the steps of;

    (1) retrieving the program data corresponding to at least one of said program signals from said disk by cooperation of said computer means and said signal processor means; and

    (2) reconstructing in said reconstruction means the analog program signal corresponding to the retrieved program data from said retrieved program data;

    (c) selectively recording a third analog program signal by digitizing said third analog program signal to derive third digital program data and storing said third program data on said disk by use of said signal processor means;

    (d) selectively outputting said first analog program signal substantially simultaneous with the outputting of at least a portion of said second analog program signal; and

    (e) selectively recording said third analog program signal substantially simultaneous with the outputting of at least one of said first and second analog program signals.

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