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Patent Searching and Data


Title:
SYNCHRONIZATION AND OFFSET OF VSYNC BETWEEN CLOUD GAMING SERVER AND CLIENT
Document Type and Number:
WIPO Patent Application WO/2021/067317
Kind Code:
A3
Abstract:
A method is disclosed including setting, at a server, a server VSYNC signal to a server VSYNC frequency. The server VSYNC signal corresponding to generation of video frames during frame periods for the server VSYNC frequency. The method including setting, at a client, a client VSYNC signal to a client VSYNC frequency. The method including sending compressed video frames from the server to the client over a network using the server VSYNC signal, wherein the compressed video frames are based on the generated video frames. The method including decoding and displaying, at the client, the compressed video frames. The method including analyzing the timing of one or more client operations to adjust the relative timing between the server VSYNC signal and the client VSYNC signal, as the client receives the compressed video frames.

Inventors:
CERNY MARK (US)
YONG KELVIN (US)
Application Number:
PCT/US2020/053343
Publication Date:
June 17, 2021
Filing Date:
September 29, 2020
Export Citation:
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Assignee:
SONY INTERACTIVE ENTERTAINMENT INC (JP)
CERNY MARK E (US)
International Classes:
A63F13/355; A63F13/358; H04N21/478; H04N5/04; H04N21/234; H04N21/242; H04N21/43; H04N21/44; H04N21/8547
Foreign References:
US20140307168A12014-10-16
US20110276648A12011-11-10
US20120108331A12012-05-03
US20050259754A12005-11-24
US20020136335A12002-09-26
US20180268512A12018-09-20
US20130132510A12013-05-23
US20160127614A12016-05-05
US20180035019A12018-02-01
US20150264298A12015-09-17
US20150181084A12015-06-25
US20130237316A12013-09-12
US20160303479A12016-10-20
US20150273330A12015-10-01
Attorney, Agent or Firm:
HSU, Lin, C. et al. (US)
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