Methods and apparatus to extract codes from a plurality of channels
US7421628B2 · kind B2 · utility
6Cited by
16References
22Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 6, 2006 |
| Grant date | Sep 2, 2008 |
| Priority date | — |
| Expiry date | Dec 31, 2026 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04H2201/50
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
Methods and apparatus to extract audio codes are disclosed. An example method includes receiving signals on a plurality of channels and ranking the signals based on at least one characteristic of the signals. A first channel from the plurality of channels is selected based upon the ranking of the signals. The example method further include determining whether a first signal on the first channel includes at least one code and extracting the at least one code from the first signal when the first signal includes the at least one code.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.