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Activating functions in processing devices using start codes embedded in audio

  • US 8,959,016 B2
  • Filed: 12/30/2011
  • Issued: 02/17/2015
  • Est. Priority Date: 09/27/2002
  • Status: Expired due to Term
First Claim
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1. A method of performing an action in a device based on receipt of and/or exposure to audio, comprising:

  • receiving audio at the device, the audio having a monitoring code indicating that the audio is to be monitored;

    in response to detection of the monitoring code, generating a signature based on the audio using at least a portion of the audio containing the monitoring code; and

    causing the performance of the action at least in part by the device based on at least one of the monitoring code or the signature.

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