WO2004014021A3 - Method and apparatus for a continuous video conference - Google Patents

Method and apparatus for a continuous video conference Download PDF

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Publication number
WO2004014021A3
WO2004014021A3 PCT/US2003/023665 US0323665W WO2004014021A3 WO 2004014021 A3 WO2004014021 A3 WO 2004014021A3 US 0323665 W US0323665 W US 0323665W WO 2004014021 A3 WO2004014021 A3 WO 2004014021A3
Authority
WO
WIPO (PCT)
Prior art keywords
video conference
video
continuous video
participants
channels
Prior art date
Application number
PCT/US2003/023665
Other languages
French (fr)
Other versions
WO2004014021A2 (en
Inventor
Chih-Lung Yang
Chen-Yuan Kuo
Original Assignee
Chih-Lung Yang
Chen-Yuan Kuo
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 Chih-Lung Yang, Chen-Yuan Kuo filed Critical Chih-Lung Yang
Priority to AU2003254247A priority Critical patent/AU2003254247A1/en
Publication of WO2004014021A2 publication Critical patent/WO2004014021A2/en
Publication of WO2004014021A3 publication Critical patent/WO2004014021A3/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
    • H04L65/1066—Session management
    • H04L65/1101—Session protocols
    • H04L65/1106—Call signalling protocols; H.323 and related
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/02—Details
    • H04L12/16—Arrangements for providing special services to substations
    • H04L12/18—Arrangements for providing special services to substations for broadcast or conference, e.g. multicast
    • H04L12/1813—Arrangements for providing special services to substations for broadcast or conference, e.g. multicast for computer conferences, e.g. chat rooms
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
    • H04L65/40—Support for services or applications
    • H04L65/403—Arrangements for multi-party communication, e.g. for conferences
    • H04L65/4038—Arrangements for multi-party communication, e.g. for conferences with floor control
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
    • H04L65/60—Network streaming of media packets
    • H04L65/75—Media network packet handling
    • H04L65/765—Media network packet handling intermediate
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/40—Network security protocols
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/14—Systems for two-way working
    • H04N7/15—Conference systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
    • H04L65/1066—Session management
    • H04L65/1101—Session protocols

Abstract

A method and apparatus is provided for video conferencing. The method and apparatus continuously receive frames from a plurality of video channels and alternately continuously transmit to each of a plurality of participants in a video conference individual frames containing information concerning each of the video channels. The method and apparatus only transmits at any given instant new picture data for one of the participants in the video conference.
PCT/US2003/023665 2002-08-05 2003-07-28 Method and apparatus for a continuous video conference WO2004014021A2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2003254247A AU2003254247A1 (en) 2002-08-05 2003-07-28 Method and apparatus for a continuous video conference

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/212,831 US20040022202A1 (en) 2002-08-05 2002-08-05 Method and apparatus for continuously receiving images from a plurality of video channels and for alternately continuously transmitting to each of a plurality of participants in a video conference individual images containing information concerning each of said video channels
US10/212,831 2002-08-05

Publications (2)

Publication Number Publication Date
WO2004014021A2 WO2004014021A2 (en) 2004-02-12
WO2004014021A3 true WO2004014021A3 (en) 2004-03-18

Family

ID=31187825

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2003/023665 WO2004014021A2 (en) 2002-08-05 2003-07-28 Method and apparatus for a continuous video conference

Country Status (3)

Country Link
US (5) US20040022202A1 (en)
AU (1) AU2003254247A1 (en)
WO (1) WO2004014021A2 (en)

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Also Published As

Publication number Publication date
US7646736B2 (en) 2010-01-12
US8125932B2 (en) 2012-02-28
WO2004014021A2 (en) 2004-02-12
US20050185601A1 (en) 2005-08-25
US20120206562A1 (en) 2012-08-16
AU2003254247A1 (en) 2004-02-23
US20040022202A1 (en) 2004-02-05
US20050140780A1 (en) 2005-06-30
AU2003254247A8 (en) 2004-02-23
US7616591B2 (en) 2009-11-10
US20050286444A1 (en) 2005-12-29

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