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Audio processor with bi-directional input/output ports

  • US 10,291,985 B2
  • Filed: 07/07/2017
  • Issued: 05/14/2019
  • Est. Priority Date: 05/27/2015
  • Status: Active Grant
First Claim
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1. An audio processor, comprising:

  • an audio processor; and

    a number of ports, wherein at least one of the ports is bi-directional and is configurable to supply signals to or receive signals from the audio processor, wherein the at least one bi-directional port includes;

    an audio connector;

    an audio input circuit that is electrically coupled to the audio connector; and

    an audio output circuit that is electrically coupled to the audio connector via a low impedance path through a switch in a conducting state;

    wherein the switch is in parallel with a resistor and the switch is bypassed with the resistor when the switch is in a non-conducting state such that the audio output circuit is electrically coupled to the audio connector through a higher impedance of the resistor.

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