Components of a Successful Video Conference System
A video conference system is made up of an
extensive range of components, including both dedicated hardware and software
platforms. There are several factors to take into consideration when setting up
a video conference system, such as methods to transfer data, compress data, and
elements that display and record video and audio.
Here we will explore what is at the core of a video
conference system and what makes a successful system
work.
Video
Input
This will consist of two or more webcams or video
cameras used to record individuals, groups, or props in a video conference.
These cameras can be integrated with the computers or set up to be used
remotely such as in the center of a room or in front of a flip chart or other
item that is required in the conference. Users may also use digital projectors
or interactive whiteboards.
Video
Output
This is hardware that will display the video feed
from the other user. This piece of
equipment will display what is happening and will show individuals or props.
These normally come in the form of computer monitors, screens, televisions, or
projector displays.
Audio
Input
In a successful video conferencing setup, a system
will usually include either a selection of microphones, located in the center
of the room or positioned in front of the individuals involved. Users may also
use wireless headsets or any other compatible forms of audio input.
Audio
Output
Successful video conferencing systems will usually
include professional quality speakers positioned around the room, built in
laptop or computer speakers, or dedicated headphones.
Echo
Reduction Software
This allows real-time conversation to happen
successfully, eliminating audio delays and echo sounds minimizing the risks of
misunderstanding and misinterpretation. Some systems may even implement echo
canceling microphones (ECM) or employ the use of headphones to cancel out
surrounding sound that may conflict with what is being said.
Stable
Network Connection
Nowadays, video conferencing platforms usually rely
on high-speed broadband or fiber optic connections which are more than capable
of handling the data transfer rate. In some circumstances, LAN and even ISDN
(Integrated Services Digital Network) connections may be used. It is important
to ensure you are using a high-speed Internet provider to make sure you do not
experience problems such as glitch video or audio feeds or lag in conversation.
Codec
Considered one of the most crucial elements of
video conferencing systems, video and audio codecs are responsible for
compressing and decompressing the data that is sent during a conference. When
speaking into a webcam and microphone, the codecs compress the data into
digital packets which are then sent to the user on the receiving end and
decompressed and displayed in their correct format. It is important to make
sure the codecs in video conference packages are compatible as some providers
will not work properly with others.
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