Audio input and output circuit

Audio input and output circuit

  • CN 203,118,488 U
  • Filed: 03/15/2013
  • Issued: 08/07/2013
  • Est. Priority Date: 03/15/2013
  • Status: Active Grant
First Claim
Patent Images

1. an audio frequency imput output circuit comprises first input interface circuit, second input interface circuit, first output interface, second output interface, first audio frequency processing circuit and second audio frequency processing circuit;

  • Described first input interface circuit connects the input end of described first audio frequency processing circuit;

    Described second input interface circuit connects the input end of described second audio frequency processing circuit;

    The output terminal of described first audio frequency processing circuit connects described first output interface;

    The output terminal of described second audio frequency processing circuit connects described second output interface;

    It is characterized in that, also comprise change-over switch, described change-over switch is connected between the input end of the input end of described first audio frequency processing circuit and described second audio frequency processing circuit.

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