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System and method to provide an alert using microphone activation

  • US 10,079,030 B2
  • Filed: 08/09/2016
  • Issued: 09/18/2018
  • Est. Priority Date: 08/09/2016
  • Status: Active Grant
First Claim
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1. A method of processing an audio signal by a device, the method comprising:

  • comparing a volume level to a threshold, the volume level associated with output of a first audio signal by the device;

    receiving a third audio signal;

    comparing a second volume level associated with the third audio signal to a second threshold; and

    activating a microphone communicatively coupled to the device based on the comparison of the volume level to the threshold and based on the comparison of the second volume to the second threshold,wherein when the microphone is activated;

    receiving, through the microphone, a second audio signal when the device is outputting the first audio signal;

    determining that the second audio signal includes a first portion that corresponds to a predetermined value; and

    providing an alert to a user of the device based on the determination that the second audio signal includes the first portion that corresponds to the predetermined value.

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