With enough
processor power and memory, an ordinary personal computer brings
demanding multimedia applications to the desktop. Sound cards,
microphones, together with modems are now considered standard
PC components. Days of cheaper desktop video cameras are expected.
More computers have temporary or permanent connection to the Internet.
With minimal experience with at least one desktop video conferencing
tool, communication can be easily achieved. The limit is - as
it appears now - the Earth!
The tutorial starts with video conferencing basic terms, definitions
and requirements. It continues by making a strong distinction
between desktop and room video conferencing from streaming or
video on demand, because of frequent misunderstandings.
From a wide
palette of existing tools, whose summary will be given, Microsoft
Netmeeting is chosen as a complete solution for collaboration
and communication over the network. More than just a chat with
video and sound, Netmeeting provides additional application whiteboard
as well as desktop and application sharing. Former is of particular
importance for teachers and administrators. Netmeeting is based
on H.323 protocol set and can be used in cooperation with other
standard-based applications.
Examples of possible usage of desktop video conferencing, as well
as applications in CARNet will be given.