Media quality information signaling in dynamic adaptive video streaming over hypertext transfer protocol
US10284612B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 18, 2014 |
| Grant date | May 7, 2019 |
| Priority date | — |
| Expiry date | Sep 19, 2036 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N21/647
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A media representation adaptation method comprising obtaining an media presentation description (MPD) that comprises instructions for retrieving a plurality of media segments and their quality information, sending a quality information request, receiving the quality information that comprises a plurality of quality segments, selecting a media segment based on the quality information, sending a media segment request that requests the media segment, and receiving the media segment. A computer program product that when executed by a processor causes a network device to obtain an MPD that comprises instructions for retrieving a media content stream and quality information, determine a quality level threshold, request a quality information associated with the media content stream, receive the quality information, select a media segment with a corresponding quality segment that is greater than the quality level threshold, send a media segment request that requests the media segment, and receive the media segment.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.