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ConferenceXP and Distance Learning at UW CSE

ConferenceXP and Distance Learning at UW CSE. Fred Videon & Rod Prieto. Agenda for Today. ConferenceXP Classroom Presenter Archiving/Playback Configuration of this Room Future Work Demos Questions/Discussion. ConferenceXP. Platform for Real-time collaboration

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ConferenceXP and Distance Learning at UW CSE

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  1. ConferenceXP and Distance Learning at UW CSE Fred Videon & Rod Prieto

  2. Agenda for Today • ConferenceXP • Classroom Presenter • Archiving/Playback • Configuration of this Room • Future Work • Demos • Questions/Discussion

  3. ConferenceXP • Platform for Real-time collaboration • High-quality multipoint conferencing • Full-screen, real-time video at 30 fps • Built-in presentation capability, whiteboard & screen sharing

  4. A Brief History of ConferenceXP • Project began at MSR in 2001 as DISC • Successful UW deployment for distance learning, Spring 2003 • 4-way distance learning deployments Autumn 2004, 2005 & 2006 • July 2007: UW Center for Collaborative Technologies founded to continue CXP development & support

  5. ConferenceXP Services • Venue Service • Provide virtual meeting spaces • Simple web service • Archive Service • Conference archive & playback • Reflector Service • Unicast tunnel • Multicast support is not great in many areas

  6. ConferenceXP is a Shared Source Platform • Provides a great platform for research in collaborative environments • APIs designed for extensibility • .Net Framework shortens development cycle • Includes rich AV device support • Provides a proven platform for distance learning and distributed meetings • Existing tools support integrated TabletPC based presentation, archive post-processing and integrated archive playback

  7. Classroom Presenter • Tablet PC Based Distributed Presentation System • Instructor navigation and annotation on local and remote displays • Students can contribute to class using digital ink on instructors slide • Integrates well with ConferenceXP and ConferenceXP archiving • Also fine as a stand-alone presentation system • Open source license (for non-RTP version)

  8. Classroom Presenter Student Submission Example Instructor Students Projected Display

  9. Archiving Schematic Classroom Presenter Instructor Tablet Classroom Presenter Projected Displays(Multiple Sites) • All devices use CXP Multicast Networking • CXP Archive Service provides a simple way to collect all classroom activity Multicast CXP Audio/Video(multiple sites) CXP Archive Service

  10. Archiving, Processing, Playback • All data on the wire captured in SQL Server database • Post-processing tools extract WMV and XML representation of the Presentation, Ink, and Table of Contents. • Archive materials are packaged for download and streaming in custom WebViewer application • MPEG-4 version produced for Mac/Linux clients

  11. Archive Playback Future Work: Port WebViewer to Silverlight!

  12. Configuration of this Room • 2 Computers • CXP runs on Windows XP or Vista • Medium-high end CPU and graphics rendering • Audio • ClearOne XAP hardware echo cancellation • Ceiling mics + wireless Lav mics • 3 cameras with pan-tilt-zoom controls • 3 projectors

  13. What’s Next for ConferenceXP • CXP 5.0: Aiming for Summer 2008 Release • Improved Diagnostics • Security Enhancements • Support for Heterogeneous Network Capabilities • Beyond 5.0 • High Definition Video

  14. Get the ConferenceXP Source • ConferenceXP and related projects are available in source & binary distributions • http://www.codeplex.com/ConferenceXP Collaborate with us on new features, etc.

  15. Resources & Contacts • CCT Website/Wiki • MSR ConferenceXP Site • Email List • Contacts: cct.cs.washington.edu www.conferencexp.net cct-announce-request@cs.washington.edu cct@cs.washington.edufred@cs.washington.edu

  16. Demos • ConferenceXP Demo • Additonal CXP Features: • Screen streaming • Shared Browser • WM playback • Archive Production Demo

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