Video conferencing
“Video conferencing – A rapid review on technology aspects”
Technology boom over a period of time with new revolutions in all technology are too common in todays competitive IT industry. Video conferencing is on the fastest track on advancement making a drastic change in connecting people officially over live video and audio communication helping to share files,data and other informations on a meeting across the world.
Technology talk
Video conferencing works on the technology of telecommunication that is digital compression of both audio and video signals with the help of suitable hardware and software, transferring the data through coding/decoding into packets done with the technology support. The data delivery is done with the help of digital network making use of ISDN or IP. H.323,Virtual Room Videoconferencing System,MPEG-2 videoconferencing,MJPEG,SIP are the most used technologies in videoconferencing.
Essential components to fulfill the task :
* Audio Input(Head phone, microphones,speaker phones,cassette player)
* Audio output (speakers or telephone),
* Video Input (web cams or video camera),
* Video output (display projectors, Computer screen),
* Data Transferring through analog or digital network (LAN,Internet)
* Video Conferencing Software 4types based on the functionalities
* Application Software
* Control Software
* Schedule software
* System software
* Acoustic Echo cancellation: It is an algorithm to check and clear the sound interruption from the audio output to the audio output device causing uneven repetition of sound disturbing the audio input.
* Two kinds of video conferencing systems kept in use are ..
* Dedicated systems:
* Desktop systems:
* Standards of International Telecommunication Union are ITU H 320, H.264 SVC(scalable video coding),ITU V.80 compatible with H.324.
* video conferencing system can connect
* Point to point video conferencing
* Multi point video conferencing:
* Web conferencing
Security Focus
Video conferencing has security as the important factor as all the transmissions are done over digital network. Authentication and Encryption-Decryption techniques play a major role over security counts. ROHDE & SCHWARZ SIT GmbH,RADVISION viaIP gw-S40 gateway, KlasPeer2Peer provides Top Sec encryption devices providing utmost security over audio/video transfer over ISDN. The conference members are connected to the Multi Conferencing Unit (MCU), which grasps the over all importance..Firewall has a good deal over security aspects keeping Hackers out of track.
Procedure for setting a video conference
To book a physical meeting room follow the steps given
* Select book a room
* Choose technology-ESnet Collaboration,H323 Point2poinbt, Phone Conference,VRVS, EVO, HERMES Collaboration etc..
– P2P : need IP address
– EVO conference : need to book EVO meeting
– ESnet conference : no booking, but just dial.. 82xxxx,85xxxxor 88xxxx from video conference system,xx xx freely chosen meeting ID.
* Once got with the confirmation, Choose Collaborative technologies,depending on the technology choose a virtual meeting room on service along with the physical meeting room.
Advantages over video conferencing:
Video conferencing has its hands of functionalities over the fields of business, education,medicine, media,research, etc inturn reducing Time and expenses over travel.
Author Bio:
Sarah is an innovative writer and expert in writing articles on VPN software.
Software Tech Computers
More on video conferencing software
Filed under:
Comments Off
