Adaptive and progressive audio stream scrambling
US8184809B2 · kind B2 · utility
13Cited by
13References
36Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 6, 2005 |
| Grant date | May 22, 2012 |
| Priority date | — |
| Expiry date | Jun 17, 2028 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N21/8106
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A process for distributing digital audio sequences according to a nominal stream format that include a succession of frames, each of which includes at least one digital audio block grouping a plurality of coefficients corresponding to digitally coded audio elements, including modifying at least one block of an original stream of sequences, in an adaptive manner on the original stream as a function of at least a part of characteristics representative of the structure, content and parameters of the original stream, a target profile and external events.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.