公开(公告)号：US20200275149A1

公开(公告)日：2020-08-27

申请号：US16286630

申请日：2019-02-27

Applicant: Novatek Microelectronics Corp.

Inventor： Yung-Chih Su ,  Hong-Ruei Jhang

IPC: H04N21/43 ,  H04N21/643 ,  H04N21/61

Abstract: A multi-screen synchronized playback system including a group, a network time protocol (NTP) server is provided. The group includes a plurality of playback devices connected to a local area network (LAN). One of the playback devices is designated as a master playback device, the remaining playback devices of the playback devices are designated as slave playback devices. The NTP server is connected to the LAN and provides a standard time information for each of the playback devices. In preparing state, the master playback device sends a first type packet to each of the slave playback devices through the local area network, and the first type packet includes a starting playback time information according to the standard time information provided by the NTP server. A multi-screen synchronized playback method is also provided.