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METHODS AND APPARATUS TO OPERATE AN AUDIENCE METERING DEVICE WITH VOICE COMMANDS

  • US 20080120105A1
  • Filed: 02/01/2008
  • Published: 05/22/2008
  • Est. Priority Date: 09/17/2003
  • Status: Active Grant
First Claim
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1. A method to identify audience members based on voice, the method comprising:

  • obtaining an audio input signal including a program audio signal and a human voice signal;

    receiving an audio line signal from an audio output line of a monitored media device;

    processing the audio line signal with a filter having adaptive weights to generate a delayed and attenuated line signal;

    subtracting the delayed and attenuated line signal from the audio input signal to develop a residual audio signal;

    identifying a person that spoke to create the human voice signal based on the residual audio signal; and

    logging an identity of the person as an audience member.

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