Methods and systems for reducing spillover by detecting signal distortion
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
H04N-007/16
H04N-021/439
H04N-021/41
H04N-021/442
H04N-021/658
H04H-060/58
출원번호
US-0796584
(2015-07-10)
등록번호
US-9332306
(2016-05-03)
발명자
/ 주소
Nielsen, Christen V.
출원인 / 주소
The Nielsen Company (US), LLC
대리인 / 주소
Hanley, Flight & Zimmerman, LLC
인용정보
피인용 횟수 :
0인용 특허 :
126
초록▼
Methods, apparatus, and articles of manufacture for reducing spillover in a media monitoring system are disclosed. An example method includes determining an actual frequency spectrum of the media monitored by a meter, and determining absolute values of differences between amplitudes of corresponding
Methods, apparatus, and articles of manufacture for reducing spillover in a media monitoring system are disclosed. An example method includes determining an actual frequency spectrum of the media monitored by a meter, and determining absolute values of differences between amplitudes of corresponding frequency components of the actual frequency spectrum and an expected frequency spectrum, the expected frequency spectrum stored in a database in association with a media identifier corresponding to the media. An example method also includes determining whether spillover occurred based on a summation of the absolute values satisfying a threshold, crediting the media with a media exposure if spillover did not occur.
대표청구항▼
1. A method to credit media presented by a media presentation device, the method comprising: determining, via a processor, an actual frequency spectrum of the media monitored by a meter;determining, via the processor, absolute values of differences between amplitudes of corresponding frequency compo
1. A method to credit media presented by a media presentation device, the method comprising: determining, via a processor, an actual frequency spectrum of the media monitored by a meter;determining, via the processor, absolute values of differences between amplitudes of corresponding frequency components of the actual frequency spectrum and an expected frequency spectrum, the expected frequency spectrum stored in a database in association with a media identifier corresponding to the media;determining, via the processor, whether spillover occurred based on a summation of the absolute values satisfying a threshold; andcrediting, via the processor, the media with a media exposure if spillover did not occur. 2. The method as defined in claim 1, wherein the meter is a portable people meter to be worn or carried by a panelist. 3. The method as defined in claim 1, wherein the actual frequency spectrum is based on a sample of the media presented by the media presentation device and collected by the meter. 4. The method as defined in claim 3, further including discarding, via the processor, the sample of the media corresponding to the actual frequency spectrum if spillover did occur. 5. The method as defined in claim 3, further including; determining, via the processor, whether the actual frequency spectrum represents a sound not associated with the media; andwhen the actual frequency spectrum represents the sound not associated with the media, discarding, via the processor, the sample of the media corresponding to the actual frequency spectrum before determining the absolute values of the differences between the amplitudes of the corresponding frequency components of the actual frequency spectrum and the expected frequency spectrum. 6. The method as defined in claim 1, wherein the expected frequency spectrum is calculated prior to determining the actual frequency spectrum of the media. 7. The method as defined in claim 1, wherein the determining that spillover occurred indicates that the meter is in a different room from the media presentation device. 8. An apparatus to credit media presented by a media presentation device, the apparatus comprising: a frequency spectrum analyzer to determine an actual frequency spectrum of the media monitored by a meter;a frequency spectrum comparator to: determine absolute values of differences between amplitudes of corresponding frequency components of the actual frequency spectrum and an expected frequency spectrum, the expected frequency spectrum stored in a database in association with a media identifier corresponding to the media;determine whether spillover occurred based on a summation of the absolute values satisfying a threshold; anda media creditor to: credit the media with a media exposure if spillover did not occur; andnot credit the media with the media exposure if spillover did occur. 9. The apparatus as defined in claim 8, wherein the meter is a portable people meter to be worn or carried by a panelist. 10. The apparatus as defined in claim 8, wherein the actual frequency spectrum is based on a sample of the media presented by the media presentation device and collected by the meter. 11. The apparatus as defined in claim 10, wherein the media creditor is further to discard the sample of the media corresponding to the actual frequency spectrum if spillover did occur. 12. The apparatus as defined in claim 10, wherein the frequency spectrum analyzer is further to: determine whether the actual frequency spectrum represents a sound not associated with the media; andwhen the actual frequency spectrum represents the sound not associated with the media, discard the sample of the media corresponding to the actual frequency. 13. The apparatus as defined in claim 8, wherein the expected frequency spectrum is calculated prior to determining the actual frequency spectrum of the media. 14. The apparatus as defined in claim 8, wherein determining that spillover occurred indicates that the meter is in a different room from the media presentation device. 15. A tangible computer readable storage medium comprising instructions that, when executed, cause a computing device to: determine an actual frequency spectrum of the media monitored by a meter;determine absolute values of differences between amplitudes of corresponding frequency components of the actual frequency spectrum and an expected frequency spectrum, the expected frequency spectrum stored in a database in association with a media identifier corresponding to the media;determine whether spillover occurred based on a summation of the absolute values satisfying a threshold; andcredit the media with a media exposure if spillover did not occur. 16. The tangible computer readable storage medium as defined in claim 15, wherein the meter is a portable people meter to be worn or carried by a panelist. 17. The tangible computer readable storage medium as defined in claim 15, wherein the actual frequency spectrum is based on a sample of the media presented by the media presentation device and collected by the meter. 18. The tangible computer readable storage medium as defined in claim 17, further including instructions that, when executed, cause the computing device to discard the sample of the media corresponding to the actual frequency spectrum if spillover did occur. 19. The tangible computer readable storage medium as defined in claim 15, wherein the expected frequency spectrum is calculated prior to determining the actual frequency spectrum of the media. 20. The tangible computer readable storage medium as defined in claim 15, wherein determining that spillover occurred indicates that the meter is in a different room from the media presentation device.
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