Video Conferencing.


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H.320 - Enables Desktop Audio and Video Components to be Shared in Multiple Locations ... T.120 - Provides Desktop Video Conference Collaboration and Document ...
Transcripts
Slide 1

Video Conferencing An Introduction to the Technology Carl A. Zaner September 2000

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Video Conferencing Introduction What is Video Conferencing? How is Video Conferencing Used? Where is the Technology Going? Outline What Have We Learned?

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Video Conferencing What is Video Conferencing? Brief History First Public Introduction at 1964 New York World\'s Fair - AT&T\'s VideoPhone ® - "Well Wiz" Factor – Very Costly Very Little Development Outside the Laboratory for 25 Years - No Practical Application Foreseen in the Market Widespread Development Ramped-up During Late \'80s - Especially inside Military Market - Big Ticket Item Drive to Establish International Interoperability and Standards Forced Market/Vendor Expansion in Late \'80s Television Studio Production Values Pushed Transmission Clarity and Usability Features

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Video Conferencing What is Video Conferencing? Sorts of Technologies - How Does it Work? Simple TV Broadcast Teleconferencing Network Feeds and Radio Frequency Transmission Compressed Digital Teleconferencing Digitized (Coded/Decoded) Circuit-Switched Transmission by means of Public Switched or Private Telecommunications Networks Broadband Satellite Teleconferencing Wideband Transmission through Transponder Space Internet-based Teleconferencing "IP" Packet-Switched Routing by means of Switched Networks

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Video Conferencing What is Video Conferencing? ITU\'s Video Conferencing (Umbrella "H.320") Standards: H.320 - Enables Desktop Audio and Video Components to be Shared in Multiple Locations Over ISDN Circuits H.323 - Allows for Video Conference Transmissions Over LANs (i.e., Ethernet) H.324 - Provides Ability to Video Conference Over Analog Phone Lines, by means of 28.8 kbps Modems T.120 - Provides Desktop Video Conference Collaboration and Document Sharing, through File Transfer Protocol (FTP)

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Video Conferencing How is Video Conferencing Being Used? Conventional Face-to-Face Meetings Point-to-Point Multipoint (Bridging) Workgroup Collaboration Distance Learning Video-on-Demand Telemedicine Telediagnosis Teleconsulting Teletherapy

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Video Conferencing Applications Typical Workgroup Conference Typical Executive Conference

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Video Conferencing Applications Typical Workgroup Conference Typical Desktop Conference

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Video Conferencing Applications Roll-about Telemedicine Unit Roll-about Conferencing Unit

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Video Conferencing Where is Video Conferencing Technology Going? Advancing Applications Maturing of Standards and Quality Fosters Usability Corporate/Public Acceptance Increased Usability Promotes Greater Use Impact on Local Area/Wide Area Networks Increased Use Forces Continuing Network Deployment and Development Growth Forecasts Increased Network Capabilities Encourage Future Enhancements, Features and Functions, which Contribute to Continuing Acceptance and Demand

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Video Conferencing Where is Video Conferencing Technology Going? Development - Desktop Conferencing Alone, is Expected to Double Each Year through 2001 * Source: InfoWorld - December 1996

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Video Conferencing Summary What Have We Learned? Video Conferencing has Evolved more than 35 Years, from a Technology-Driven "Gee Wiz" Toy to a User-Driven Tool, Facilitating Today\'s Business, Education and Medical Sectors with New Global Communications Capabilities

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