الاثنين، 9 نوفمبر 2009

Video Conferencing



Polycom Video Conferencing



Polycom is the global leader in telepresence, HD video conferencing, and audio conferencing solutions — a visionary in communications that empower people to connect and collaborate everywhere.


1. technical features
· Polycom is Easy to Use
· Lower Costs
· Polycom is Efficient
· Make Decisions Faster and Increase Productivity
· Cost Effective
· Communicate Faster, Collaborate Easier
· Free standing, modular, integrated luxury environment
· Acoustically and optically tuned
· Video:
i. Eye Connect-TM
ii. Standards-based
iii. Polycom VSX 8000 codecs
· Audio

i. Polycom Vortex EF2280

ii. Sound Station VTX 1000


iii. Integrated ceiling mics

2. advantages
· No permits for installation (on-site assembly not construction) with the ability to relocate it as needed.
· Minimal or no integration worries, is pre-tested – it just works!
· The use of acoustically treated walls, floors, and ceiling/lights combined with integrated camera and audio technology provide an unmatched meeting place across geography – without adjustments as if in a face-to face meeting
· Broader room usage provides better return on investment.
· Seating not limited
· Not restricted to Tele-Presence studio use
· Faster decision making, time to market, less team travel, ease of operation
· Quick and easy knowledge transfer
· Not limited to point-to-point calling or a maximum of three
multipoint sites. Connection any where, any time to as
many locations as you need gives you the freedom to run
your business more efficiently and communicate faster
· Lower total cost of ownership at time of purchase and
operationally thereafter. Up to 30% savings over the competition



3. technology supported
· Crestron
Touch panel control systems for business,
government and education





· SMART Technologies:
SMART Board interactive whiteboard








· Display Devices:
o Video Monitors
o Front Projection Systems
o Rear Projection Systems
o Large Flat Panel Plasma Displays
o Large Flat Panel LCD Displays
o Video Cubes/Walls
o Large Format LED Displays



· Audio Systems:
o Microphones
· Boundary Microphones
· Table Microphones
· Ceiling Microphones
o Speakers
· Program Audio Speakers
· Ceiling Speakers




· Video Equipment
o source devices such as VCRs, DVDs
o computer interfaces
o routing and switching components for moving signals around the room
o video peripherals including video document cameras, electronic white boards.




· Control Systems
o Table top or wireless touch panel control systems with customuser interfaces
o Wall mounted touch screens
o Wall mounted button plates
o Wireless remote controls
o IP or web based controls



· Recording Devices
o Audio Cassette Recorders
o CD Players/Recorders/Burners
o DVD Players/Recorders/Burners
o VHS Players/Recorders
o Beta Players/Recorders



· Rack Equipment:
it is recommended that it be installed and maintained
in a fixed enclosure or equipment rack. To the technology
enthusiast, an audio visual equipment rack is much more
than a place to store equipment; it is a system unto itself.



4. appropriateness to DE institutes:
· Communicate Faster, Collaborate Easier
· Free standing, modular, integrated luxury environment
· Polycom is Life Like
Just Like Being There
Polycom solutions are so life-like, immersive, natural, and easy to use that the problems of distance melt away. With Polycom, the technology becomes invisible and what remains are the things people say and the collaborative decisions they make.
· Participate in Important Meetings without Leaving Your Office.
· provide the ultimate communications experience:
o An end-to-end product portfolio that supports an integrated SIP solution, from infrastructure through to endpoints.
o Extended, advanced conferencing network infrastructure management.
o Conference scheduling and management with a single device.
o Premier video conferencing and content sharing from the desktop.
o Integration with third party products such as Avaya NMS Management System, Microsoft
Windows Messenger, Lotus Notes, and USB video cameras.








الاثنين، 2 نوفمبر 2009

Online TV


  1. Overview:
  2. It is a service provided by the University of California: http://berkeley.edu/
  3. What is webcast?
  • The delivery of audio, video or both of these content formats to large groups either locally or distributed
  • Webcasts are typically live presentations in which a remote audience may participate, but real-time interactivity isn't critical to the definition of a Webcast.
  • Webcasting is the broadcasting of predominantly audiovisual material over the
    internet.

webcast service from the university of California:
Every semester, UC Berkeley webcasts select courses and events for on-demand viewing via the Internet. webcast.berkeley course lectures are provided as a study resource for students and are not sanctioned as a substitute for going to the course lectures.
webcast.berkeley/courses is an “opt-in” program available to lecturers scheduled to

teach in classrooms with installed video and/or podcast capture technology. 2 – 4 weeks prior to the start of each semester, lecturers who are scheduled to teach in a video podcast or audio podcast capture capable classrooms are invited to participate in webcast.berkeley for the coming semester by signing up to have their course video and/or audio podcast in bSpace.


  • This picture shows a list of subjects which have both audio and video links....


http://webcast.berkeley.edu/course_details_new.php?seriesid=2009-D-7803&semesterid=2009-D

you can click on these questions to find the answes....