System and method for synchronizing live video with external data sources
US12184914B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 19, 2022 |
| Grant date | Dec 31, 2024 |
| Priority date | — |
| Expiry date | Jun 28, 2043 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N21/8456
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Methods and systems for synchronizing video with external data sources by a user device where the video is grouped into segment video files having video frames, includes establishing a persistent connection between the user device and a synchronization server, receiving a sync message associated with the beginning of a video segment to be played by the user device, the sync message having an initial recording wall clock time stamp, calculating by the user device a recording wall clock time for each frame in the segment using the initial wall clock time and a frame rate, downloading the video segment file for playing on the user device, receiving by the user device, external data having a wall clock time stamp, and displaying on the user device the external data having the same time stamp as the recording time stamp of the video frame being displayed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.