videoconference educational technology of computer science 2004
TRANSCRIPT
19.3.2004 JOY/ Sirpa Torvinen 2
Outline
What? Why? Equipments needed? Preparations before the conference Videoconference in action Exercise for today
19.3.2004 JOY/ Sirpa Torvinen 3
What is a videoconference?
real-time discussions via the network connections (IP/ISDN) with picture AND sound connections between at least two participants
– e.g. virtual meetings, seminars, distance lectures, supervising etc.
19.3.2004 JOY/ Sirpa Torvinen 4
Why to use a videoconference?
cheap to organize– low costs, no need to travel, ”stressless”
reasonable to combine the resources– same information into the several places
simultaneuosly benefits comparing to teleconferences
– documents, shared presentations, pictures, you will see who is speaking etc.
19.3.2004 JOY/ Sirpa Torvinen 5
Ways to organize (1/2)
between two participants– one or the other is calling– partners will see each other (own side in a little
window and the opposite side in a bigger window)
19.3.2004 JOY/ Sirpa Torvinen 6
Ways to organize (2/2)?
between several participants (more than two)– MCU (Multi-Cast Unit) is needed– participants are calling for the MCU or MCU will
call for all of the participants (usually)– all of the participants will see
own side in a little window and the one who is speaking in a bigger window
or they will see all partners in small windows (e.g. four little windows)
19.3.2004 JOY/ Sirpa Torvinen 7
Technical requirements
IP or ISDN network connection Gateway is needed, if both IP and ISDN
equipments are participating into the conference
MCU is needed, if more than two participants
19.3.2004 JOY/ Sirpa Torvinen 8
What is needed (1/4) ?
the minimum requirements (IP):– a computer (and the software)– a web camera– a pair of headphones and microphone
benefits: cheap
19.3.2004 JOY/ Sirpa Torvinen 9
What is needed (2/4) ?
better solution (IP):– a computer– a hardware: included a microphone, a camera
and the software benefits:
– better picture– excellent sound
19.3.2004 JOY/ Sirpa Torvinen 10
What is needed (3/4) ?
Transferrable equipments (IP / ISDN)– independent– TV or videoprojector
benefits: – easy to use– reliable
19.3.2004 JOY/ Sirpa Torvinen 11
What is needed (4/4) ?
Fixed installation– independent– usually videoprojector / TV / plasmadisplay– monitoring displays– control panels– several cameras
benefits: high-quality disadvantages: expencive
19.3.2004 JOY/ Sirpa Torvinen 12
It depends on...
how often do you need the videoconference? how many participants? what kind of quality needed? what are you doing during the
videoconference? meetings, discussing? share the files and / or presentations, and discuss based
on them? teaching situations, showing demos? etc.
19.3.2004 JOY/ Sirpa Torvinen 14
Before a videoconference just remember...
to book– the room and the equipments– the time of MCU
to check the numbers – IP, gatekeeper, phone numbers– who is calling to whom?
19.3.2004 JOY/ Sirpa Torvinen 15
….. and remember also
to test the connections in advance – at latest on the previous day
to ensure the availability of technical support – at least the phone number to her/him
to fit the exact time schedule with the participants
19.3.2004 JOY/ Sirpa Torvinen 16
….. and remember
to prepare all the materials needed to plan the agenda during the conference
(e.g. the pauses) to plan the ”emergency” plan
– another room / equipments– teleconference equipments– mobile conference
19.3.2004 JOY/ Sirpa Torvinen 17
…. and remember
to check the functionallity of the videoconference equipments
to test all of the equipments needed during the confefence– document camera– PC and softwares needed– loadspeakers etc.
19.3.2004 JOY/ Sirpa Torvinen 19
Videoconference in action (1/2)
speak in a clear way – peacefully and slowly enough
don’t walk around!!!! microphone has to be in the mute position
when you are not speaking!!! – reduce the interfences
19.3.2004 JOY/ Sirpa Torvinen 20
Videoconference in action (2/2)
take care of the colours and lights – avoid dark colours
take care of the use of camera– don’t zoom all the time– don’t move the picture all the time from point
to point – zoom always to the speaker when (s)he is
speaking
19.3.2004 JOY/ Sirpa Torvinen 21
Videoconference in abstract IP or ISDN equipments
– IP -number or telephone number Phonenumber for
– other participants– technical support
Time schedule Softwares and equipments needed Testing at latest on the day before
19.3.2004 JOY/ Sirpa Torvinen 22
Scheme for the typical videoconference
greetings and short presentations – only speakers will be presented
schedule of the conference– what is going to be happend– is there any pauses etc.
presentations questions and discussions thanks and disconnect