Highly secured method and device for distributing audio-visual streams
US8270598B2 · kind B2 · utility
4Cited by
7References
45Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 16, 2005 |
| Grant date | Sep 18, 2012 |
| Priority date | — |
| Expiry date | Apr 18, 2029 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N21/44055
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A process for distributing audiovisual sequences may involve generating a modified main stream from an audiovisual sequence as well as complementary information that may enable equipment receiving the modified main stream and the complementary information to synthesize the audiovisual sequence. The modified main stream and the complementary information may be separately transmitted to the equipment.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.