Audio data receipt/exposure measurement with code monitoring and signature extraction
US7222071B2 · kind B2 · utility
228Cited by
28References
128Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 27, 2002 |
| Grant date | May 22, 2007 |
| Priority date | — |
| Expiry date | Aug 3, 2023 |
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. Audio data is monitored to detect a monitoring code. Based on detection of the monitoring code, a signature characterizing the audio data is extracted.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.