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Distributed audience measurement systems and methods

  • US 9,437,214 B2
  • Filed: 02/23/2015
  • Issued: 09/06/2016
  • Est. Priority Date: 10/30/2009
  • Status: Active Grant
First Claim
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1. A method, comprising:

  • receiving, at a first device, an activation signal and a first audio fingerprint via first wireless communications between the first device and a communications network, the receiving occurring while the first device is not recording audio via a microphone of the first device;

    based on the activation signal, recording audio using the microphone during a first time period corresponding to the first audio fingerprint;

    generating, at the first device, a second audio fingerprint representative of the recorded audio;

    deactivating the microphone at the end of the first time period corresponding to the first audio fingerprint;

    determining, at the first device, whether the second audio fingerprint matches the first audio fingerprint; and

    sending an indication of whether the second audio fingerprint matches the first audio fingerprint from the first device to an audience measurement entity via second wireless communications between the first device and the communications network.

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