This PPT is prepared as a tutorial or basic guide for Teachers of all the disciplines, teacher educators, prospective teachers to help them organizing video conferencing to take online classes, webinars, and meetings in this time of COVID-19 & lock down.
Influencing policy (training slides from Fast Track Impact)
Â
Video conferencing and its free tools/apps
1. VideoConferencing
&
ItsFreeTools/Apps
Dr. Sarita Anand
(Ph.D., NET-JRF, M.Ed., M.A., PGDCA)
Assistant Professor
Department of Education
Vinaya Bhavana
Visva-Bharati
(A central University and an institution of
National Importance) Santiniketan, West-Bengal,
India
4. Concept
Video conferencing is a system
that enables people in various
places around the world to have
a meeting by seeing and hearing
each other on a screen
5. • Videoconferencing (or video
conference) means to conduct a
conference between two or more
participants at different sites by
using computer networks to
transmit audio and video data.
• For example, a point-to-point (two-
person) video conferencing system
works much like a video telephone
and at present we all are in a
videoconferencing system.
Meaning
6. HowitWorks
Video conferencing allows people at
two or more locations to see and hear
each other at the same time, using
computer and communications
technology.
They exchange visual information with
Webcams (digital video cameras) and
streaming video.
Audio content may be distributed via
computer or the telephone system.
7. Equipments
Needed
Displays:
laptop, desktop monitor, television,
mobile screen.
Microphones and cameras:
built-in microphones and webcams, USB
microphones and webcams are utilized.
Speakers: built-in computer speaker,
external speaker, VoIP (voice over IP)
conferencing phone.
Internet Connection: WiFi, HotSpot etc.
8. major 5 types of video conference systems are as follows:
Tele-presence
Video
Conferencing
System
Integrated
Video
Conferencing
System
Desktop
Video
Conferencing
System
Service-based
Video
Conferencing
System
Codec
Types:
1 2 3 4 5
9. 1.
Tele-presenceVideo
ConferencingSystem
Tele-presence is designed to host a
meeting as closely as possible. Even if
the participants are not in the same
room physically, the set-up is done in a
way easily.
Large screens are used and cameras are
positioned at eye level.
The result is a videoconference set-up
that appears as if all the participants are
sitting in the same room and around the
same table.
10. 2.
IntegratedVideo
ConferencingSystem
Integrated video conferencing
systems are designed generally for
group videoconferencing where
there's a centralized location for the
equipment. It include both the
hardware and codec.
All the main camera, displays and
other peripheral videos are mounted
in the main conference location.
Integrated video conferencing
systems are typically ideal for
boardroom and classroom
conferences in offices and
educational institutions those having
these facilities.
11. 3.
DesktopVideo
ConferencingSystem
As an important one of types of video
conferencing systems, desktop video
conferencing system is very popular with
people on-the-go and typical office
workers and educationists.
Within this option there are two choices
available: a software client on your
desktop or a hardware codec that
doubles as your computer monitor.
By using this type of set-up, the video
conferencing system is brought right into
your personal computer while still
pulling off a full-motion conference.
12. 4.
Service-basedVideo
ConferencingSystem
For serviced-based systems, the
provider, which often is a telecom
carrier, handles majority of the
control when it comes to the network
set-up.
This means less work on your end.
You just pay for the solution and your
provider manages it for you making
more convenient especially if you
don't want to bother with the
technicalities.
For example: Springer Nature and
others using Cisco Webex
professional
13. 5.
CODEC
A codec is a device or computer
program which encodes or decodes a
digital data stream or signal. Codecs are
used in videoconferencing, streaming
media, and video editing applications.
This alternative is the most like a room-
based Video conferencing framework in
that it utilizes an outside display, camera
and microphone, which is the same as
does a framework for your meeting
room.
Its very costly, ranges in cost from $1500
to $8000 (1.13-6lakhs) in addition to
yearly charges for authorizing and
upkeep.
Normally utilized in Big business
houses.
14. • Video conferencing helps to
improve communication and re-
establish relationships with the
stakeholders.
• During a video conference you get
to see the body language and
facial expressions of the
participants.
• This leads to a more effective and
faster collaboration between the
individuals and institutions.
Importance
15. • Reduced Travel Time and Costs.
• Optimised Attendance.
• Structured Meetings/classes with
Improved Communications.
• Increased Productivity.
• Employee/Students Retention.
• Sustained Competitive Advantages.
Benefits
16. • A high bandwidth communication link is
required to transmit and receive high
quality images.
• There is a short time lag between
speaking and receiving a response that
can disrupt the natural flow of a
conversation.
• High quality dedicated video-
conferencing systems are expensive to
buy but now in the era of COVID-19
lockdown many are providing free access
for restricted time limit.
Limitations
18. •Tools/Apps- Saynamaste, Google Meet, Jitsi, Cisco WebEx, TeamLink
Saynamaste Google Meet Jit.si Cisco WebEx TeamLink
LETS PRACTICE WITH VIDEO CONFERENCING TOOLS/APPS
1 2 3 4 5
19. 1.
saynamaste
Saynamste is not actually an app, but an
online tool which can be accessed through a
web browser. This is an Indian solution in
lockdown due to COVID-19.
Users can access the tool on their laptops or
desktop computers without having to
download or install any installation. Users
can create or join a meeting by visiting their
website at this link
https://www.saynamaste.in/ on a browser.
Say Namaste has been created by a
Mumbai-based web application and software
development company called Inscripts.
the platform supports upto 25 participants.
It has the best chat ability with the image, file
audio and video sharing option.
20. 2.
GoogleMeet
Google Meet is one app which has been
enormously used by the people.
The Google meet which was earlier known as
Google Hangouts Meet is Google's enterprise
video conferencing software. The app also
provides real-time captions and you can also book
meetings ahead of time using Google calendar or
Google chat.
This is free for all the users now who have a Gmail
account. The time limit is capped at 60 minutes.
Earlier, Google Meet used to be available as a part
of the G Suite account where almost 250
participants can join the video call. but due to the
ongoing lockdown and the work from home
scenario, it has made free for the users for a
limited time period and supports up to 100
participants. Just click on the link
https://meet.google.com/
21. 3. Jitsi
Jitsi is a collection of free and open-source
multiplatform voice, videoconferencing and
instant messaging applications for the web
platform & mobile.
Secure, fully featured, and
completely free video conferencing with
recording option..
Jitsi Meet is a fully encrypted, 100% open
source video conferencing solution that
you can be used all day, every day,
for free with no account needed and
provides 100 participants capacity.
It can be added as Google extension with
your account. Just click on the link and
start your video conferencing
https://meet.jit.si/
22. 4.
CiscoWebex
Cisco WebEx is a cloud-based suite of
productivity tools that keeps teams
connected.
Including WebEx Teams, WebEx Meetings,
and WebEx Devices, this suite merges the
web conferencing platform and the Spark
team collaboration tool from Cisco. The
product also supports deployments
of WebEx Hybrid Services.
But when you will go on its website you will
get confused that which version you should
choose then don’t be confused no need to
download anything, Just click on the link
https://www.webex.co.in/ and host or join the
meeting or class teaching. Its free version
provides 100 participants capacity.
23. 5.
TeamLink
TeamLink is one of the world most advanced
solutions for video and web conference that
enables anyone to work together with teams and
class from anywhere at any time.
TeamLink is better than Zoom for free, with no
time limit and up to 300 participants. Ultra-low
latency and crystal clear video and audio.
TeamLink allows users to join meetings
anonymously (that is, you can join meetings
without registering or logging in). To join, an
anonymous user only needs to have the meeting
invitation link or the meeting ID (and password if
there is one). Then click the meeting link again
to enter the meeting.
Best part is that it provides recording facility.
Just download it from the link and start your
class or meeting https://www.teamlink.co/