PMCP extension metadata, data stream generating device, digital data broadcasting emission system and digital data broadcasting emission method thereof
US8239895B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 22, 2006 |
| Grant date | Aug 7, 2012 |
| Priority date | — |
| Expiry date | May 8, 2028 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N21/84
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Provided are a PMCP extended metadata for securing interoperability among devices constituting a digital data broadcasting emitting system, a data stream generating device using the same, a digital data broadcasting emitting system and a digital data broadcasting emitting method. The PMCP extended metadata includes: a channel metadata for providing system information of data events constituting a data broadcasting program; a program and system information protocol (PSIP) data event metadata for providing identification information and program guide of data events; and an advanced television system committee (ACAP) data service metadata for providing encoding information including signaling information and transmission protocol information of data broadcasting contents corresponding to data events.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.