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Audio to video timing equalizer method and apparatus

DC
  • US 4,703,355 A
  • Filed: 09/16/1985
  • Issued: 10/27/1987
  • Est. Priority Date: 09/16/1985
  • Status: Expired
First Claim
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1. A delay system for an audio signal and a video signal comprising:

  • a timing encoder which develops a combination signal that includes said video signal and timing information generated from said audio signal;

    a delay decoder responsive to said combination signal and to said audio signal, said delay decoder being operative to develop a delay signal representing the relative delay time between said combination signal and said audio signal by comparing the timing information of said combination signal with said audio signal; and

    a delay generator responsive to said delay signal and operative to delay the least delayed of said combination signal and said audio signal by said relative delay time to resynchronize said combination signal with said audio signal.

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