Method for creating an enhanded data stream
US9131113B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 1, 2011 |
| Grant date | Sep 8, 2015 |
| Priority date | — |
| Expiry date | Aug 25, 2032 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N21/4385
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
The present invention provides a method for secure communication of digital information between a transmission entity and at least one reception entity. The method may be applied in the domain of audio/video data transmission, where stuffing data packets comprising random payloads are inserted into a transport stream along with true data packets comprising the audio/video data. The dummy data packets are detectable by an authorized reception entity but not detectable by unauthorized reception entities. A large number of stuffing data packets are included in the transmission to occupy bandwidth and to further render the job difficult for an unauthorized reception entity which tries to intercept the transmission.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.