The document discusses different types of video conferencing systems including desktop, room-based, and multipoint conference systems. It then focuses on the future of video conferencing, describing how companies are developing web-based video conferencing systems that allow teachers to present live lectures remotely using streaming video and presentation slides sent over the internet for distance learning. The document concludes by listing features of a wireless broadband videophone and multipoint control unit that support video communications.

1. DIGITAL TRENDS, INC . An Audio Visual and IT Company

2. TYPES OF VIDEO CONFERENCING SYSTEM

3. DESKTOP VIDEO CONFERENCE SYSTEM

4. ROOM BASED CONFERENCE SYSTEM

5. MULTIPOINT CONFERENCE SYSTEMS

6. THE FUTURE OF VIDEO LEARNING

7. The Future of Video Conferencing Several commercial companies are developing new ways of using video conferencing in education. One of the most recent developments is to incorporate video conferencing into web based systems. A web based system using streaming video multi-casting is now reaching the education sector. Teachers and presenters can sit in their own office or in a nearby studio and present a 'live' lecture in front of a camera attached to a web server. Using a simple switching device and several cameras, the presenter can provide remote participants with graphics, whiteboard, flipchart and other visual aids as well as alternative views of the local classroom, lecture room, etc. These images and sound are subsequently 'webcast' - sent via the Internet to anyone who wishes to take part. Alongside the video images and sound is a MS Powerpoint presentation or other graphical sequence transmitted in a .gif file format. Synchronising software enables the graphic images and presentation materials to reach the viewers at the same time the presenter verbally cues them.

8. DISTANCE LEARNING

10. D-LINK DVC 1100 WIRELESS BROADBAND VIDEOPHONE

12. Multipoint Control Unit

13. FEATURES: Fully integrated, easily configurable unit Compact size: 1 U tall and 19" rack mountable 24 LEDs show operational status Custom audio welcome and on-screen messaging Join up to 16 video and 16 audio sites in one or more conferences Supports network and video communications equipment from multiple vendors Supports H.264 with IP and ISDN, and with Continuous Presence Support for XGA, VGA and SVGA PC presentations Automatic layout and resolution switching with Best Impression Duo Video support for interactive presentations Ad hoc multipoint calls with dial in/dial out capability Easy to use Plug-and-Play technology Supports mixed ISDN and IP video calls Bandwidth: from 56 kbps - 2 Mbps Highest level of standards-based embedded encryption Downspeeding provides protection from network interruptions and maintains the call in progress

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