System and method for optimized delivery of live ABR media
US10735823B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 13, 2015 |
| Grant date | Aug 4, 2020 |
| Priority date | — |
| Expiry date | Mar 13, 2035 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L65/765
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A method and device for providing live adaptive bitrate (ABR) video to a client device using a multicast-to-unicast-ABR proxy is disclosed. The method includes responsive to the client device tuning to a channel or requesting a change in profile for the channel, requesting from a distribution server a burst of video fragments for the channel using a selected profile, the burst of video fragments to be delivered via unicast; responsive to the burst being completed, requesting to join a multicast for the channel, the multicast using the selected profile; and providing video for the channel to the client device via unicast using the selected profile.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.