Signaling and handling content encryption and rights management in content transport and delivery
US9342668B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 12, 2013 |
| Grant date | May 17, 2016 |
| Priority date | — |
| Expiry date | Jul 13, 2033 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N21/4627
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An apparatus comprising a memory, a processor coupled to the memory and configured to obtain a protection description for media content comprising a plurality of content items, wherein the protection description comprises data signaling at least two protection mechanisms for at least two content items in a media content, wherein each of the at least two content items is protected by one or more of the at least two protection mechanisms, and wherein the protection mechanisms for the at least two content items are different, determine the protection mechanisms for the at least two content items from the data, and process the at least two content items according to their associated protection mechanisms.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.