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Virtual Briefings Technical Update

Virtual Briefings Technical Update. Jon Zeeff, JT July 2002 V1.1 jzeeff@internet2.edu Slides with notes: http://www.internet2.edu / ~jzeeff/presentations/. Monthly updates on Internet2 related activities.

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Virtual Briefings Technical Update

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  1. Virtual Briefings Technical Update Jon Zeeff, JT July 2002 V1.1 jzeeff@internet2.edu Slides with notes: http://www.internet2.edu/~jzeeff/presentations/

  2. Monthly updates on Internet2 related activities • Provide a testbed for using and debugging new collaboration technologies • Demonstrate and promote the widespread use of new collaboration technologies • Provide a platform to deliver interactive briefings of Internet2-related activities

  3. Equipment • Accord and Radvision MCUs at OSU • Polycoms • H.323 at 768K bps, H.263 • Real and Windows streaming (unicast) • MPEG 1 and 2 (multicast) • DVTS (30 Mbits) • Audio/Video switcher for wiring flexibility and repeatability

  4. Procedures • End point testing • PowerPoint on web site • Watch for open mics – mute with MCU • MCU control directly • Video lighting • Close mic-ing

  5. Accord MCU Control Software

  6. Lighting

  7. Test Tools • Color bars • Vectorscope • True RTA (freq and latency) • Audio and video level meters • Metronome (A/V sync)

  8. Challenges • Last mile connectivity (overprovision or QOS) • Better quality video • Production control • Titling • Reliable H.323 equipment • Redundancy (eg, telco backup for audio)

  9. Future • Multi-protocol MCU • Video switching and mix minus audio • Titler • Video answering machine • A/V sync measurement & delay

  10. More Future • Automated system for conferencing and netcasting • Packet doubler • Security • Scheduling & Queueing • Apps sharing (Powerpoint)

  11. Misc • Thanks to OSU staff and end point testers • Problems: http://www.internet2.edu/ • activities/html/lessonslearned.html • Presentation: http://www.internet2.edu/ • ~jzeeff/presentations/ • Email: jzeeff@internet2.edu

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