Demultiplexing devices and process for at least two transport streams and a corresponding digital stream
US7602819B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Mar 1, 2001 |
| Grant date | Oct 13, 2009 |
| Priority date | — |
| Expiry date | Apr 18, 2023 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N21/4344
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
The invention is related to a demultiplexing device and process for at least two transport streams. The demultiplexing device comprises at least one merging unit, receiving at least two of the transport streams and producing one merged stream comprising a merged arrangement of the originating packets. The merging unit comprises means for marking each packet with an identifier and to assign to it a given value for each received transport stream. The demultiplexing device also comprises at least one demultiplexer receiving and demultiplexing the merged stream produced by the merging unit corresponding to the demultiplexer. That demultiplexer filters the identifiers and determines thereby the received transport streams from which the corresponding packets are derived.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.