Methods and apparatus to operate an audience metering device with voice commands
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United States of America Patent
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Jul 6, 2010
Grant Date -
May 22, 2008
app pub date -
Feb 1, 2008
filing date -
Sep 17, 2003
priority date (Note) -
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Abstract
Methods and apparatus to operate an audience metering device with voice commands are described herein. An example method to identify audience members based on voice, includes: 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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