AD detection using ID code and extracted signature
US7483835B2 · kind B2 · utility
120Cited by
33References
104Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 23, 2002 |
| Grant date | Jan 27, 2009 |
| Priority date | — |
| Expiry date | Nov 15, 2024 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04H2201/90
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
Systems and methods are provided for gathering audience measurement data relating to receipt of and/or exposure to audio data by an audience member. A signature characterizing the audio data and additional data are obtained, and the audio data is identified based on both.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.