Methods and apparatus to encode and decode audio for shopper location and advertisement presentation tracking
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
G06Q-030/00
G08B-001/08
출원번호
US-0626571
(2009-11-25)
등록번호
US-8508357
(2013-08-13)
발명자
/ 주소
Srinivasan, Venugopal
Topchy, Alexander Pavlovich
Ramaswamy, Arun
출원인 / 주소
The Nielsen Company (US), LLC
대리인 / 주소
Hanley, Flight & Zimmerman, LLC
인용정보
피인용 횟수 :
7인용 특허 :
171
초록▼
Methods and apparatus to encode and decode audio for shopper location and advertisement presentation tracking are disclosed. A method for tracking a shopper includes receiving a first audio signal at a first location with a decoder attached to a shopping implement, determining a first code encoded i
Methods and apparatus to encode and decode audio for shopper location and advertisement presentation tracking are disclosed. A method for tracking a shopper includes receiving a first audio signal at a first location with a decoder attached to a shopping implement, determining a first code encoded in the first audio signal, receiving a second audio signal at a second location with the decoder, determining a second code encoded in the first audio signal, and transmitting the first code and the second code to a data retrieval device.
대표청구항▼
1. A method for tracking a shopper, the method comprising: determining a first code and a second code encoded in a first audio signal received at a first location with a decoder attached to a shopping implement, the first code being encoded with a code flag indicating that the first code was encoded
1. A method for tracking a shopper, the method comprising: determining a first code and a second code encoded in a first audio signal received at a first location with a decoder attached to a shopping implement, the first code being encoded with a code flag indicating that the first code was encoded at a second location separate from the first location;determining a third code encoded in a second audio signal received at a third location with the decoder; andtransmitting the first code, the second code, and the third code to a data retrieval device. 2. A method as defined in claim 1, wherein the data retrieval device is integrated in a store checkout device. 3. A method as defined in claim 1, further comprising determining that the shopping implement was at the first location based on receiving the second code from the shopping implement. 4. A method as defined in claim 1, further comprising receiving an identification of a person associated with the shopping implement. 5. A method as defined in claim 1, wherein the shopping implement is at least one of a shopping cart, a shopping basket, a shopping bag, or a portable electronic device. 6. A method as defined in claim 1, wherein the data retrieval device is a store checkout device. 7. A method as defined in claim 1, further comprising: receiving a shopper identification;receiving purchase information; andstoring the first code, the second code, the third code, and the purchase information in association with the shopper identification. 8. A system for tracking a shopper, the system comprising: a decoder attached to a shopping implement to:determine a first code and a second code encoded in a first audio signal received at a first location, the first code being encoded with a code flag indicating that the first code was encoded at a second location separate from the first location,determine a third code encoded in a second audio signal received at a third location, andtransmit the first code, the second code, and the third code to a data retrieval device, the data retrieval device to store the first code, the second code, and the third code. 9. A system as defined in claim 8, wherein the data retrieval device is integrated in a store checkout device. 10. A system as defined in claim 8, wherein the data retrieval device is further to determine that the shopping implement was at the first location based on receiving the second code from the shopping implement. 11. A system as defined in claim 8, wherein the data retrieval device is further to receive an identification of a person associated with the shopping implement. 12. A system as defined in claim 8, wherein the shopping implement is at least one of a shopping cart, a shopping basket, a shopping bag, or a portable electronic device. 13. A system as defined in claim 8, wherein the data retrieval device is a store checkout device. 14. A system as defined in claim 8, wherein the data retrieval device is further to: receive a shopper identification;receive purchase information; andstore the first code, the second code, the third code, and the purchase information in association with the shopper identification. 15. A tangible machine readable storage medium comprising instructions that, when executed, cause a decoder to track a shopper associated with a shopping implement by at least: determining a first code and a second code encoded in a first audio signal received at a first location, the first code being encoded with a code flag indicating that the first code was encoded at a second location separate from the first location;determining a third code encoded in a second audio signal received at a third location; andtransmitting the first code, the second code, and the third code to a data retrieval device. 16. A machine readable medium as defined in claim 15, wherein the data retrieval device is integrated in a store checkout device. 17. A machine readable medium as defined in claim 15, wherein the instructions further cause the decoder to determine that the shopping implement was at the first location based on the second code. 18. A machine readable medium as defined in claim 15, wherein the instructions further cause the decoder to receive an identification of a person associated with the shopping implement. 19. A machine readable medium as defined in claim 15, wherein the shopping implement is at least one of a shopping cart, a shopping basket, a shopping bag, or a portable electronic device. 20. A machine readable medium as defined in claim 15, wherein the data retrieval device is a store checkout device. 21. A method as defined in claim 1, wherein a first identification symbol table is used to encode the first code and a second identification symbol table is used to encode the second code, the first identification symbol table being different from the second identification symbol table. 22. A method as defined in claim 1, wherein the first code identifies a first media distributor that broadcast the first audio signal at a first time and the second code identifies a second media distributor that broadcast the first audio signal at a second time later than the first time. 23. A method as defined in claim 1, wherein determining the first code and the second code includes storing the first code in a first buffer and storing the second code in a second buffer, the first code being separate from the second code.
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