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Transcript of Presentation on-video-conferencing-basics4468-ravi shankar-pc
Video-conferencing Video-conferencing BasicsBasics
Learn More About Video-Conferencing at PSJA ISDLearn More About Video-Conferencing at PSJA ISD
INSTRUCTIONAL TECHNOLOGY CETNERINSTRUCTIONAL TECHNOLOGY CETNER
What is video-conferencing?What is video-conferencing?
Transmission of image and speech back Transmission of image and speech back and forth between two or more separate and forth between two or more separate locations.locations.
Similar to making a phone callSimilar to making a phone call
An opportunity to talk to and see others in An opportunity to talk to and see others in real timereal time
What are the benefits of video-What are the benefits of video-conferencing?conferencing?
The visual interaction can enhance The visual interaction can enhance communicationcommunication
Increases connections with the worldIncreases connections with the world
It can save time and other valuable It can save time and other valuable resourcesresources
It can heighten motivationIt can heighten motivation
How is video-conferencing How is video-conferencing being used?being used?
MeetingsMeetings
EducationEducation
TelemedicineTelemedicine
Courts and judicial systemCourts and judicial system
TelecommutingTelecommuting
SecuritySecurity
Two Types of Video-Two Types of Video-conferencingconferencing
TraditionalTraditionalUse in specific roomUse in specific roomUses ISDN phone Uses ISDN phone lineslinesHigher usage costHigher usage costSchedule in Schedule in advanceadvanceProfessional Professional operatoroperatorH.320 standardH.320 standard
InternetInternetUse anywhere Use anywhere Internet connectionInternet connectionUses InternetUses InternetPotentially lower Potentially lower usage costusage costImpromptu if point-Impromptu if point-to-pointto-pointUser-friendlyUser-friendlyH.323 standardH.323 standard
PSJA ISD’s NetworkPSJA ISD’s Network
Video-conferencing can Video-conferencing can work well in the PSJA work well in the PSJA area thanks to a area thanks to a “backbone” network “backbone” network providing high speed providing high speed access throughout the access throughout the district and to various district and to various state agencies and state agencies and institutions.institutions.
PartnersPartners
MIS Department and the Instructional MIS Department and the Instructional Technology Department with funding from Technology Department with funding from E-Rate – laid the PSJA “backbone” E-Rate – laid the PSJA “backbone” networknetwork
BandwidthBandwidth
The maximum amount The maximum amount of data that can of data that can travel a travel a communications path communications path in a given time, in a given time, usually measured in usually measured in seconds. seconds.
Multi-point Conferencing Unit (MCU)Multi-point Conferencing Unit (MCU)
To set up a video-To set up a video-conference with three or conference with three or more participants, you more participants, you must go through a MCU. must go through a MCU. Like setting up a Like setting up a conference call, this must conference call, this must be scheduled. PSJA ISD be scheduled. PSJA ISD video sites currently use video sites currently use the Interactive Video the Interactive Video Network’s MCU or bridge.Network’s MCU or bridge.
What kinds of equipment do What kinds of equipment do you need to you need to
videoconference?videoconference?
1. Main camera1. Main camera
This captures the live This captures the live movement at one end movement at one end so it may be sent to so it may be sent to the other end points the other end points
2. The Video display2. The Video display
Television and Television and computer monitors computer monitors are most often used are most often used to display the video.to display the video.
3. Audio Components3. Audio Components
Audio components Audio components include microphones include microphones and speakers. Often and speakers. Often these items come these items come with the purchased with the purchased equipment or are equipment or are built in. Additional built in. Additional audio equipment can audio equipment can be purchased if be purchased if needed. needed.
4. Add-on components4. Add-on components
Document cameraDocument camera
VCRVCR
Specialty camerasSpecialty cameras
DVD playersDVD players
Electronic whiteboardsElectronic whiteboards
Best Practices in Video-Best Practices in Video-conferencingconferencing
Learn the system – feel comfortableLearn the system – feel comfortable
Maintain eye contactMaintain eye contact
Maintain appropriate on-camera positionMaintain appropriate on-camera position
Move and gesture slowlyMove and gesture slowly
Speak in a strong, clear voiceSpeak in a strong, clear voice
Keep noises to a minimumKeep noises to a minimum
Select clothing appropriatelySelect clothing appropriately
Prepare!Prepare!