Methods, apparatus and articles of manufacture to provide secondary content in association with primary broadcast media content
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
H04N-021/442
H04N-021/258
H04N-021/439
H04N-021/41
H04N-021/658
H04N-007/173
H04H-020/86
H04H-020/31
H04H-060/14
H04H-060/68
출원번호
US-0195547
(2014-03-03)
등록번호
US-10003846
(2018-06-19)
발명자
/ 주소
Harkness, David Henry
Ramaswamy, Arun
Samson, Jerome
Besehanic, Jan
Srinivasan, Venugopal
Topchy, Alexander Pavlovich
출원인 / 주소
The Nielsen Company (US), LLC
대리인 / 주소
Hanley, Flight & Zimmerman, LLC
인용정보
피인용 횟수 :
0인용 특허 :
203
초록▼
Example methods, apparatus and articles of manufacture to provide media content are disclosed. A disclosed example method includes receiving an audio signal output by a first media presentation device, the audio signal being associated with first media content, decoding the audio signal to extract a
Example methods, apparatus and articles of manufacture to provide media content are disclosed. A disclosed example method includes receiving an audio signal output by a first media presentation device, the audio signal being associated with first media content, decoding the audio signal to extract a code from the audio signal, the code identifying at least one of the first media content or a broadcaster of the first media content, setting a clock using a timestamp associated with the code, obtaining second media content based on the code and the timestamp, the second media content comprising a plurality of pieces of secondary content for respective ones of a plurality of timestamps, and presenting, at a second media presentation device, a first of the plurality of pieces of secondary media when its respective timestamp substantially corresponds to a time value obtained from the clock.
대표청구항▼
1. A method of decoding a code from an audio signal associated with first media output by a first media presentation device, the method comprising: sampling the audio signal to generate a sampled audio signal;transforming the sampled audio signal into a frequency domain representation;determining ch
1. A method of decoding a code from an audio signal associated with first media output by a first media presentation device, the method comprising: sampling the audio signal to generate a sampled audio signal;transforming the sampled audio signal into a frequency domain representation;determining characteristics of frequencies in a plurality of code bands of the frequency domain representation that may contain the code, the code representative of at least one of the first media or a broadcaster of the first media, the code, if present, being encoded in the audio signal using a plurality of frequency components across the plurality of code bands;normalizing the characteristics of the frequencies of respective ones of the code bands, the characteristic frequencies of a first one of the code bands being normalized against a threshold characteristic of a first frequency in the first one of the code bands;comparing sums of the normalized characteristics for groups of frequencies across the plurality of code bands to identify a first group of frequencies with a largest sum; anddetermining that the first group of frequencies is representative of the code to decode the code from the first group of frequencies; andtransmitting a wireless signal to a second media presentation device, the wireless signal including the decoded code, the wireless signal to trigger the second media presentation device to A) transmit the decoded code to a ratings server to cause the ratings server to 1) obtain second media based on the decoded code and 2) determine audience rating information corresponding to presentation of the first media on the first media presentation device and presentation of the second media on the second media presentation device based on the decoded code, and B) present the second media at the second media presentation device. 2. The method as defined in claim 1, wherein the first media presentation device and the second media presentation device are at a same monitoring site. 3. The method as defined in claim 2, further including detecting presentation of the first media by the first media presentation device. 4. The method as defined in claim 1, wherein the decoded code is associated with at least one of a program identifier, a station identifier, or a timestamp. 5. The method as defined in claim 1, wherein the wireless signal includes at least one of a Bluetooth signal, a wireless local area network signal, or a cellular signal. 6. The method as defined in claim 1, wherein the audio signal includes embedded frequency components representing the decoded code, different sets of the frequency components representing respectively different information, one frequency component from each of the sets of frequency components being located in a code band, the code band being one of a plurality of code bands and spacing between adjacent code bands being equal to or less than the spacing between adjacent frequency components of each of the code bands, amplitudes of the frequency components representing the information and being selected based on a masking ability of the audio. 7. The method as defined in claim 1, wherein the audience rating information includes a first reach and a second reach, the first reach corresponding to presentation of the first media on the first media presentation device based on the decoded code, and the second reach corresponding to presentation of the second media on the second media presentation device based on the decoded code. 8. A tangible computer readable storage medium comprising instructions that, when executed, cause a machine to at least: sample an audio signal associated with first media output by a first media presentation device to generate a sampled audio signal;transform the sampled audio signal into a frequency domain representation;determine characteristics of frequencies in a plurality of code bands of the frequency domain representation that may contain a code, the code representative of at least one of the first media or a broadcaster of the first media, the code, if present, being encoded in the audio signal using a plurality of frequency components across the plurality of code bands;normalize the characteristics of the frequencies of respective ones of the code bands, the characteristic frequencies of a first one of the code bands being normalized against a threshold characteristic of a first frequency in the first one of the code bands;compare sums of the normalized characteristics for groups of frequencies across the plurality of code bands to identify a first group of frequencies with a largest sum; anddetermine that the first group of frequencies is representative of the code to decode the code from the first group of frequencies; andtransmit a wireless signal to a second media presentation device, the wireless signal including the decoded code, the wireless signal to trigger the second media presentation device to A) transmit the decoded code to a ratings server to cause the ratings server to 1) obtain second media based on the decoded code and 2) determine audience rating information corresponding to presentation of the first media on the first media presentation device and presentation of the second media on the second media presentation device based on the decoded code, and B) present the second media at the second media presentation device. 9. The tangible computer readable storage medium as defined of claim 8, wherein the first media presentation device and the second media presentation device are at a same monitoring site. 10. The tangible computer readable storage medium as defined of claim 9, further including detecting presentation of the first media by the first media presentation device. 11. The tangible computer readable storage medium as defined of claim 8, wherein the wireless signal includes at least one of a Bluetooth signal, a wireless local area network signal, or a cellular signal. 12. The tangible computer readable storage medium as defined of claim 8, wherein the decoded code is associated with at least one of a program identifier, a station identifier, or a timestamp. 13. The storage medium as defined in claim 8, wherein the audience rating information includes a first reach and a second reach, the first reach corresponding to presentation of the first media on the first media presentation device based on the decoded code, and the second reach corresponding to presentation of the second media on the second media presentation device based on the decoded code. 14. An apparatus comprising: a decoder including:a sampler to sample an audio signal associated with first media output by a first media presentation device to generate a sampled audio signal;a time-to-frequency domain converter to transform the sampled audio signal into a frequency domain representation;a code frequency monitor to:determine characteristics of frequencies in a plurality of code bands of the frequency domain representation that may contain the code, the code representative of at least one of the first media or a broadcaster of the first media, the code, if present, being encoded in the audio signal using a plurality of frequency components across the plurality of code bands;normalize the characteristics of the frequencies of respective ones of the code bands, the characteristic frequencies of a first one of the code bands being normalized against a threshold characteristic of a first frequency in the first one of the code bands;compare sums of the normalized characteristics for groups of frequencies across the plurality of code bands to identify a first group of frequencies with a largest sum; anddetermine that the first group of frequencies is representative of the code and decode the code from the first group of frequencies; anda wireless interface to transmit a wireless signal to a second media presentation device, the wireless signal including the decoded code, the wireless signal to trigger the second media presentation device to A) transmit the decoded code to a ratings server to cause the ratings server to 1) obtain second media based on the decoded code and 2) determine audience rating information corresponding to presentation of the first media on the first media presentation device and presentation of the second media on the second media presentation device based on the decoded code, and B) present the second media at the second media presentation device. 15. The apparatus as defined in claim 14, wherein the first media presentation device and the second media presentation device are at a same monitoring site. 16. The apparatus as defined in claim 15, further including transmitting the first media to the first media presentation device. 17. The apparatus as defined in claim 14, wherein the wireless signal includes at least one of a Bluetooth signal, a wireless local area network signal, or a cellular signal. 18. The apparatus as defined in claim 14, wherein the audio signal includes embedded frequency components representing the decoded code, different sets of the frequency components representing respectively different information, one frequency component from each of the sets of frequency components being located in a code band, the code band being one of a plurality of code bands and spacing between adjacent code bands being equal to or less than the spacing between adjacent frequency components of each of the code bands, amplitudes of the frequency components representing the information and being selected based on a masking ability of the audio. 19. The apparatus as defined in claim 14, wherein the apparatus includes a customer-premises media server. 20. The apparatus as defined in claim 14, wherein the media presentation device includes at least one of a handheld computer, a personal digital assistant (PDA), a cellular telephone, a smartphone, a laptop computer, a netbook computer, a hand-held media presentation device, or a mobile media presentation device. 21. The apparatus as defined in claim 14, wherein the audience rating information includes a first reach and a second reach, the first reach corresponding to presentation of the first media on the first media presentation device based on the decoded code, and the second reach corresponding to presentation of the second media on the second media presentation device based on the decoded code.
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