Methods and apparatus to operate an audience metering device with voice commands
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 television program audio signal and a human voice signal;
receiving a television audio line signal from an audio output line of a monitored television;
processing the television audio line signal with a filter having adaptive weights to generate a delayed and attenuated television line signal;
subtracting the delayed and attenuated television 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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Abstract
Methods and apparatus to operate an audience metering device with voice commands are described herein. In an example method, at least one of a television program audio signal or a voice command from an audience member is transduced into an audio input signal. Based on the audio input signal and a television audio line signal, a residual audio signal is generated. One or more vectors from the residual audio signal are extracted. Based on the one or more vectors extracted from the residual audio signal, the voice command is identified.
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Citations
27 Claims
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1. A method to identify audience members based on voice, the method comprising:
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obtaining an audio input signal including a television program audio signal and a human voice signal;
receiving a television audio line signal from an audio output line of a monitored television;
processing the television audio line signal with a filter having adaptive weights to generate a delayed and attenuated television line signal;
subtracting the delayed and attenuated television 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. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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15. A machine accessible medium storing instructions, which when executed, cause a machine to:
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obtain an audio input signal including a television program audio signal and a human voice signal;
receive a television audio line signal from an audio output line of a monitored television;
process the television audio line signal with a filter having adaptive weights to generate a delayed and attenuated television line signal;
subtract the delayed and attenuated television line signal from the audio input signal to develop a residual audio signal;
identify a person that spoke to create the human voice signal based on the residual audio signal; and
log an identity of the person as an audience member.
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16. An audience measurement device to identify audience members based on voice, the device comprising:
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a transducer to obtain an audio input signal including a television program audio signal and a human voice signal;
a filter having adaptive weights to receive a television audio line signal from an audio output line of a monitored television, and to process the television audio line signal to generate a delayed and attenuated television line signal;
a difference detector to subtract the delayed and attenuated television line signal from the audio input signal to develop a residual audio signal;
an identification device to identify a person that spoke to create the human voice signal based on the residual audio signal; and
a memory to log an identity of the person as an audience member. - View Dependent Claims (17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27)
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Specification