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Duplex audio for mobile communication device and accessory

  • US 9,712,659 B2
  • Filed: 05/16/2016
  • Issued: 07/18/2017
  • Est. Priority Date: 03/06/2009
  • Status: Active Grant
First Claim
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1. A method of operating an accessory, the method comprising:

  • communicating, by the accessory to a mobile communication device, capabilities of the accessory, the capabilities including an option to provide an input audio signal to the mobile communication device through an audio input path concurrently with receiving an output audio signal from the mobile communication device through an audio output path;

    in response to receiving a notification from the mobile communication device to enter duplex audio mode;

    enabling the audio input path by the accessory;

    receiving an input audio signal by the accessory from an input audio source; and

    delivering the input audio signal on the audio input path by the accessory while concurrently receiving the output audio signal through the audio output path; and

    in response to receiving a termination notification to exit duplex audio mode from the mobile communication device, disabling the audio input path by the accessory.

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