Methods and apparatus for determining whether a media presentation device is in an on state or an off state
First Claim
1. A method for determining whether a media presentation device is in an on state or an off state, the method comprising:
- determining first and second characteristics of a signature associated with a signal representative of media content presented via the media presentation device;
evaluating the first and second characteristics to determine first and second fuzzy contribution values, the first fuzzy contribution value representing a degree with which the first characteristic corresponds to the media presentation device being in at least one of the on state or the off state, the second fuzzy contribution value representing a degree with which the second characteristic corresponds to the media presentation device being in at least one of the on state or the off state;
determining an audio test score based on a number of the first and second contribution values that indicate the media presentation device is in one of the on state or the off state;
converting the audio test score into a third fuzzy contribution value;
combining the first, second and third fuzzy contribution values to calculate an intermediate fuzzy score; and
determining whether the media presentation device is in the on state or the off state based on the intermediate fuzzy score.
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Abstract
Methods and apparatus for determining whether a media presentation device is in an on state or an off state are disclosed. A disclosed example method comprises determining first and second characteristics of a signature associated with a signal representative of media content presented via a media presentation device, evaluating the first and second characteristics to determine first and second fuzzy contribution values representing, respectively, degrees with which the first and second characteristics correspond to the media presentation device being in at least one of an on state or an off state, determining a third fuzzy contribution value based on a number of the first and second contribution values indicating the media presentation device is in one of the on or off states, and combining the first, second and third fuzzy contribution values for use in determining whether the media presentation device is in the on state or the off state.
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Citations
29 Claims
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1. A method for determining whether a media presentation device is in an on state or an off state, the method comprising:
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determining first and second characteristics of a signature associated with a signal representative of media content presented via the media presentation device; evaluating the first and second characteristics to determine first and second fuzzy contribution values, the first fuzzy contribution value representing a degree with which the first characteristic corresponds to the media presentation device being in at least one of the on state or the off state, the second fuzzy contribution value representing a degree with which the second characteristic corresponds to the media presentation device being in at least one of the on state or the off state; determining an audio test score based on a number of the first and second contribution values that indicate the media presentation device is in one of the on state or the off state; converting the audio test score into a third fuzzy contribution value; combining the first, second and third fuzzy contribution values to calculate an intermediate fuzzy score; and determining whether the media presentation device is in the on state or the off state based on the intermediate fuzzy score. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. An apparatus for determining whether a media presentation device is in an on state or an off state, the apparatus comprising:
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a signal characteristic determiner to determine first and second characteristics of a signature associated with a signal representative of media content presented via the media presentation device; a first evaluator to evaluate the first characteristic to determine a first fuzzy contribution value, the first fuzzy contribution value representing a degree to which the first characteristic corresponds to the media presentation device being in at least one of the on state or the off state; a second evaluator to evaluate the second characteristic to determine a second fuzzy contribution value, the second fuzzy contribution value representing a degree to which the second characteristic corresponds to the media presentation device being in at least one of the on state or the off state; an input convergence evaluator to determine an audio test score based on a number of the first and second contribution values that indicate the media presentation device is in one of the on state or the off state, and to convert the audio test score into a third fuzzy contribution value; a fuzzy contribution analyzer to combine the first, second and third fuzzy contribution values to calculate an intermediate fuzzy score; and a creditor to determine whether the media presentation device is in the on state or the off state based on the intermediate fuzzy score. - View Dependent Claims (14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28)
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29. A machine readable medium storing machine readable instructions that, when executed, cause a machine to:
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determine first and second characteristics of a signature associated with a signal representative of media content presented via a media presentation device; evaluate the first and second characteristics to determine first and second fuzzy contribution values, the first fuzzy contribution value representing a degree with which the first characteristic corresponds to the media presentation device being in at least one of an on state or an off state, the second fuzzy contribution value representing a degree with which the second characteristic corresponds to the media presentation device being in at least one of the on state or the off state; determine an audio test score based on a number of the first and second contribution values that indicate the media presentation device is in one of the on state or the off state; convert the audio test score into a third fuzzy contribution value; combine the first, second and third fuzzy contribution values to calculate an intermediate fuzzy score; and determine whether the media presentation device is in the on state or the off state based on the intermediate fuzzy score.
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Specification