WO2011106228A3 - Video frame synchronization - Google Patents

Video frame synchronization Download PDF

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Publication number
WO2011106228A3
WO2011106228A3 PCT/US2011/025199 US2011025199W WO2011106228A3 WO 2011106228 A3 WO2011106228 A3 WO 2011106228A3 US 2011025199 W US2011025199 W US 2011025199W WO 2011106228 A3 WO2011106228 A3 WO 2011106228A3
Authority
WO
WIPO (PCT)
Prior art keywords
port
video frame
source
data stream
arrival time
Prior art date
Application number
PCT/US2011/025199
Other languages
French (fr)
Other versions
WO2011106228A2 (en
Inventor
William Conrad Altmann
Original Assignee
Silicon Image, Inc.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Silicon Image, Inc. filed Critical Silicon Image, Inc.
Priority to EP11747884.2A priority Critical patent/EP2540078A4/en
Priority to KR1020127024880A priority patent/KR20130036204A/en
Priority to JP2012555046A priority patent/JP6034697B2/en
Priority to CN201180010900.9A priority patent/CN102771136B/en
Publication of WO2011106228A2 publication Critical patent/WO2011106228A2/en
Publication of WO2011106228A3 publication Critical patent/WO2011106228A3/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/04—Synchronising
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/44—Colour synchronisation
    • H04N9/475—Colour synchronisation for mutually locking different synchronisation sources
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/4302—Content synchronisation processes, e.g. decoder synchronisation
    • H04N21/4307—Synchronising the rendering of multiple content streams or additional data on devices, e.g. synchronisation of audio on a mobile phone with the video output on the TV screen
    • H04N21/43072—Synchronising the rendering of multiple content streams or additional data on devices, e.g. synchronisation of audio on a mobile phone with the video output on the TV screen of multiple content streams on the same device
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/442—Monitoring of processes or resources, e.g. detecting the failure of a recording device, monitoring the downstream bandwidth, the number of times a movie has been viewed, the storage space available from the internal hard disk
    • H04N21/44209—Monitoring of downstream path of the transmission network originating from a server, e.g. bandwidth variations of a wireless network
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/45—Management operations performed by the client for facilitating the reception of or the interaction with the content or administrating data related to the end-user or to the client device itself, e.g. learning user preferences for recommending movies, resolving scheduling conflicts
    • H04N21/462—Content or additional data management, e.g. creating a master electronic program guide from data received from the Internet and a Head-end, controlling the complexity of a video stream by scaling the resolution or bit-rate based on the client capabilities
    • H04N21/4622—Retrieving content or additional data from different sources, e.g. from a broadcast channel and the Internet
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client 
    • H04N21/63—Control signaling related to video distribution between client, server and network components; Network processes for video distribution between server and clients or between remote clients, e.g. transmitting basic layer and enhancement layers over different transmission paths, setting up a peer-to-peer communication via Internet between remote STB's; Communication protocols; Addressing
    • H04N21/637—Control signals issued by the client directed to the server or network components
    • H04N21/6377—Control signals issued by the client directed to the server or network components directed to server
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
    • H04N5/445—Receiver circuitry for the reception of television signals according to analogue transmission standards for displaying additional information

Abstract

Embodiments of the invention are generally directed to video frame synchronization. An embodiment of a method includes receiving a first video data stream from a first source at a first port of a multi-port device, a first video frame of the first video data stream arriving at the first port at a first arrival time, and receiving a second video data stream from a second source at a second port of the multi-port device, a second video frame of the second video data stream arriving at the second port at a second arrival time. The method further includes determining an offset between the first arrival time and the second arrival time, determining one or more correction factors based at least in part on the offset, the one or more correction factors including a first correction factor for the first source, and sending a first command to the first source to modify a time of transmission by the first source of a third video frame following the first frame using the correction factor.
PCT/US2011/025199 2010-02-25 2011-02-17 Video frame synchronization WO2011106228A2 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP11747884.2A EP2540078A4 (en) 2010-02-25 2011-02-17 Video frame synchronization
KR1020127024880A KR20130036204A (en) 2010-02-25 2011-02-17 Video frame synchronization
JP2012555046A JP6034697B2 (en) 2010-02-25 2011-02-17 Video frame synchronization
CN201180010900.9A CN102771136B (en) 2010-02-25 2011-02-17 Video frame synchronization

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US12/712,933 US8692937B2 (en) 2010-02-25 2010-02-25 Video frame synchronization
US12/712,933 2010-02-25

Publications (2)

Publication Number Publication Date
WO2011106228A2 WO2011106228A2 (en) 2011-09-01
WO2011106228A3 true WO2011106228A3 (en) 2012-01-12

Family

ID=44476213

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2011/025199 WO2011106228A2 (en) 2010-02-25 2011-02-17 Video frame synchronization

Country Status (7)

Country Link
US (2) US8692937B2 (en)
EP (1) EP2540078A4 (en)
JP (1) JP6034697B2 (en)
KR (1) KR20130036204A (en)
CN (1) CN102771136B (en)
TW (1) TWI523527B (en)
WO (1) WO2011106228A2 (en)

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Also Published As

Publication number Publication date
US20140168514A1 (en) 2014-06-19
CN102771136A (en) 2012-11-07
JP6034697B2 (en) 2016-11-30
CN102771136B (en) 2016-05-11
US20110205433A1 (en) 2011-08-25
EP2540078A2 (en) 2013-01-02
TWI523527B (en) 2016-02-21
US8692937B2 (en) 2014-04-08
KR20130036204A (en) 2013-04-11
JP2013520931A (en) 2013-06-06
EP2540078A4 (en) 2014-02-26
WO2011106228A2 (en) 2011-09-01
TW201146009A (en) 2011-12-16

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