Scalable encoding for multicast broadcast multimedia service
US8437347B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 23, 2004 |
| Grant date | May 7, 2013 |
| Priority date | — |
| Expiry date | Jan 13, 2028 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N19/30
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Methods and apparatus are described for broadcasting content. Encoding the content to be multicast/broadcast into multiple streams, wherein at least one stream provides a base portion of the content, and additional streams provide enhancements to the content. A wireless communication device receives the broadcast and decodes streams in accordance with the reception capabilities of the wireless device. The configuration of the wireless device can be determined based on the wireless device's capability to decode multiple streams. In addition, the configuration of the wireless device can be determined based on a subscriber level of the wireless device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.