Monitoring behavior of listening to broadcast
First Claim
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1. A device for monitoring behavior of listening to broadcast, comprising:
- a transmitter transmitting a characteristic audio signal which is modulated on a carrier signal;
a collector collecting an ambient sound;
a detector detecting whether the collected ambient sound contains the characteristic audio signal;
a determiner determining whether a broadcast receiving apparatus receives the broadcasting channel corresponding to frequency of the carrier signal according to the result of the detector; and
a volume determiner determining whether the output volume of the broadcast receiving apparatus is valid in the case that the characteristic audio signal is detected by the detector; and
noticing the determiner to ignore the result of the detector when the output volume is determined as invalid;
wherein when the characteristic audio signal is detected by the detector, the volume determiner compares the volume of a background audio signal in the collected ambient sound except the characteristic audio signal with a reference volume and if the volume of the background audio signal is below the reference volume, the volume determiner determines the output volume of the broadcast receiving apparatus as invalid.
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Abstract
A device and a method for monitoring behavior of listening to broadcast comprises a transmitter transmitting a characteristic audio signal which is modulated on a carrier signal; a collector collecting an ambient sound; a detector detecting whether the collected ambient sound contains the characteristic audio signal; and a determiner determining whether a broadcast receiving apparatus receives the broadcasting channel corresponding to frequency of the carrier signal according to the result of the detector.
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Citations
14 Claims
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1. A device for monitoring behavior of listening to broadcast, comprising:
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a transmitter transmitting a characteristic audio signal which is modulated on a carrier signal; a collector collecting an ambient sound;
a detector detecting whether the collected ambient sound contains the characteristic audio signal;a determiner determining whether a broadcast receiving apparatus receives the broadcasting channel corresponding to frequency of the carrier signal according to the result of the detector; and a volume determiner determining whether the output volume of the broadcast receiving apparatus is valid in the case that the characteristic audio signal is detected by the detector; and
noticing the determiner to ignore the result of the detector when the output volume is determined as invalid;wherein when the characteristic audio signal is detected by the detector, the volume determiner compares the volume of a background audio signal in the collected ambient sound except the characteristic audio signal with a reference volume and if the volume of the background audio signal is below the reference volume, the volume determiner determines the output volume of the broadcast receiving apparatus as invalid. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A device for monitoring behavior of listening to broadcast, comprising:
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a transmitter transmitting a characteristic audio signal which is modulated on a carrier signal; a collector collecting a ambient sound; and a processor detecting whether the collected ambient sound contains the characteristic audio signals, and determining whether a broadcast receiving apparatus receives the broadcasting channel corresponding to frequency of the carrier signal according to the result of the detecting, wherein the processor determines whether the output volume of the broadcast receiving apparatus is valid in the case that the characteristic audio signal is detected, and ignores the result of detecting, if the output volume is determined as invalid; and when the characteristic audio signal is detected, the processor compares the volume of a background audio signal in the collected ambient sound except the characteristic audio signal with a reference volume; and
determines the output volume of the broadcast receiving apparatus as invalid if the volume is below the reference volume. - View Dependent Claims (8, 9, 10, 11, 12)
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13. A method of monitoring behavior of listening to broadcast, comprising:
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transmitting a characteristic audio signal which is modulated on a carrier signal; collecting an ambient sound; detecting whether the collected ambient sound contains the characteristic audio signal; and determining whether a broadcast receiving apparatus receives the broadcasting channel corresponding to frequency of the carrier signal according to the result of detecting;
determining whether the output volume of the broadcast receiving apparatus is valid in the case that the characteristic audio signals is detected; and
ignoring the result of detecting if the output volume is determined as invalid;determining whether the output volume of the broadcast receiving apparatus is valid includes;
comparing the volume of a background audio signals in the collected ambient sound except the characteristic audio signal with a reference volume when the characteristic audio signal is detected;
determining the output volume of the broadcast receiving apparatus as invalid if the volume is below the reference volume. - View Dependent Claims (14)
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Specification