Title:
METHOD FOR SYNCHRONIZING PLAYBACK OF DIGITAL CONTENT AMONG PLURALITY OF CONNECTED DEVICES, AND DEVICE USING SAME
Document Type and Number:
WIPO Patent Application WO/2022/181859
Kind Code:
A1
Abstract:
The present invention relates to a method for synchronizing the playback of digital content among connected devices, the method comprising the steps of: receiving a playback delay time list or a playback synchronization timestamp from a master device during a playback duty cycle; calculating a playback delay time correction amount by referring to the playback delay time list in order to synchronize the playback among the plurality of connected devices including the master device; correcting the playback synchronization timestamp used for the playback synchronization in accordance with the playback delay time correction amount; and playing the digital content in accordance with the corrected playback synchronization timestamp, wherein each slave device applies different playback delay time in accordance with its own state, to accomplish the playback synchronization among the devices connected via a network.
More Like This:
Inventors:
CHO INJE (KR)
LEE DAEHEE (KR)
LEE DAEHEE (KR)
Application Number:
PCT/KR2021/002503
Publication Date:
September 01, 2022
Filing Date:
February 26, 2021
Export Citation:
Assignee:
AD CONNECTED INC (KR)
International Classes:
H04N21/43; H04N21/436; H04N21/439; H04N21/8547
Foreign References:
| KR20150026069A | 2015-03-11 | |||
| JP2018207152A | 2018-12-27 | |||
| KR20110029979A | 2011-03-23 | |||
| KR20170088357A | 2017-08-01 | |||
| KR20190118002A | 2019-10-17 | |||
| KR20210078985A | 2021-06-29 |
Attorney, Agent or Firm:
YOON, Seongho (KR)
Download PDF: