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Audio over a standard video cable

  • US 7,893,998 B2
  • Filed: 07/29/2005
  • Issued: 02/22/2011
  • Est. Priority Date: 07/29/2005
  • Status: Active Grant
First Claim
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1. A system for providing audio over a standard video cable, comprising:

  • a source unit having a video source, a digital audio source, a source DDC/CI communications capability and a first switch for coupling a pin of a standard video cable connector in the source unit either to the digital audio source or to a first non-audio conventional connection; and

    a display device having a video consumer, a digital audio consumer, a display device DDC/CI communications capability and a second switch for coupling a pin of a standard video cable connector in the display device either to the digital audio consumer or to a second non-audio conventional connection, wherein the switch is responsive to a DDC/CI command received from the source unit.

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