US 12,021,912 B2
Distributing compressed video frames in a video conference
Karan Lyons, Los Angeles, CA (US)
Assigned to Zoom Video Communications, Inc., San Jose, CA (US)
Filed by Zoom Video Communications, Inc., San Jose, CA (US)
Filed on Feb. 16, 2023, as Appl. No. 18/110,775.
Application 18/110,775 is a continuation of application No. 17/833,443, filed on Jun. 6, 2022, granted, now 11,606,405.
Application 17/833,443 is a continuation of application No. 17/246,191, filed on Apr. 30, 2021, granted, now 11,368,510, issued on Jun. 21, 2022.
Prior Publication US 2023/0199050 A1, Jun. 22, 2023
Int. Cl. H04L 65/70 (2022.01); H04L 12/18 (2006.01); H04N 19/44 (2014.01)
CPC H04L 65/70 (2022.05) [H04L 12/1818 (2013.01); H04L 12/1831 (2013.01); H04N 19/44 (2014.11)] 20 Claims
OG exemplary drawing
 
1. A method comprising:
receiving, by a video conference provider, video streams from a plurality of existing participants in a video conference;
distributing the received streams to the existing participants in the video conference;
receiving acknowledgements of at least some video frames of the distributed video streams from the existing participants;
generating a differential frame for a first video stream of the plurality of video frames based on a subset of the received acknowledgements, the subset comprising received acknowledgments of the same video frame from each of the existing participants except the source of the first video stream; and
transmitting the differential frame to each of the existing participants except the source of the video frame.