Systems and methods for gathering audience measurement data
US7239981B2 · kind B2 · utility
74Cited by
19References
30Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 26, 2002 |
| Grant date | Jul 3, 2007 |
| Priority date | — |
| Expiry date | Sep 16, 2023 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04H60/31
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
Systems and methods are provided for gathering audience measurement data relating to exposure of an audience member to audio data. Audio data is received in a user system and is then encoded with audience measurement data. The encoded audio data is reproduced by the user system, picked up by a monitor and decoded to recover the audience measurement data.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.