Patent ID: 11922976
Assignee: ROKU, INC.
Field: Audio-visual technology (Electrical engineering)
Classification: CPC G  H | IPC G  H

Claim 17:
18. A session master, comprising:
a network interface arranged to provide at least one of an audio content and a video content via a computer network session for synchronizing playback of the at least one of the audio content and the video content by the computer network session, wherein the computer network session includes the session master and a plurality of devices, the session master directing the computer network session and having a lowest common denominator synchronization mechanism among the plurality of devices; and
a processor coupled to the network interface and configured to provide a default synchronization mechanism to all devices of the plurality of devices of the computer network session including a group master device and a group member device forming a device group, wherein the group master device and the group member device ignore the default synchronization mechanism provided by the session master and agree on a group synchronization mechanism having a higher precision than the default synchronization mechanism in accordance with a predetermined synchronization list including the default synchronization mechanism and the group synchronization mechanism.