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Introduction. By Jill Dingman, Director Pinal County Interactive Television Consortium. Part 1. Introduction to Videoconferencing. Definition. Interactive Television (videoconferencing) uses two-way, real-time video and audio to link two or more sites.

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Introduction

Introduction

By

Jill Dingman, Director

Pinal County Interactive Television Consortium


Introduction to videoconferencing

Part 1

Introduction to Videoconferencing


Definition
Definition

Interactive Television (videoconferencing) uses two-way, real-time video and audio to link two or more sites.

It allows us to view and talk to each other and simultaneously send high-resolution data signals.


Codec operation compress decompress

Two way

Voice and Video

CODEC OperationCompress - Decompress

CODEC

CODEC

Full

Picture

& Sound

Full

Picture

& Sound

Compressed


Call modes point to point

Two-Way

Video & Audio

Call ModesPoint-to-Point

Site

One

Site

Two

Site One “Calls” Site Two

or, Site Two “Calls” Site One


Call modes codec multi point
Call ModesCODEC Multi-Point

Site

Two

Site

One

Site

Three

Site

Four

Site One calls Sites Two,

Three, and Four (or more)

All sites can see and

hear the other sites.


Call modes cac bridge multi point

Site

Three

Site

Four

Site

Five

Site

Two

Site

Six

Site

One

Site

Seven

Call ModesCAC Bridge Multi-Point

Bridge

A centrally located Bridge can dial many separate conferences. The sites see and hear only those in their conference


Call modes meeting room
Call ModesMeeting Room

Site

Four

Bridge

Meeting Room

Site

Three

Site

One

Site

Two

Sites dial a centralized “meeting room” on the bridge.


Firewalls and gatekeepers
Firewalls and Gatekeepers

External Network

Internal Network

NAT

Gatekeeper


Videoconference protocols

Part 2

Videoconference protocols



Protocols

Part 2

Protocols


Videoconference protocols1
Videoconference Protocols

  • Only one person talks at a time

  • Don’t interrupt

  • Avoid other noises (tapping, paper rustling, whispering)

tap taptaptaptap . . .


Videconference protocols
Videconference Protocols

  • Turn cell phone to vibrate

  • Mute when you are listening

  • Remember to un-mute to talk


Listening and speaking
Listening and Speaking

  • Listening carefully

  • Speak in a normal voice

  • Raise your head and speak clearly

  • Don’t mumble


What should i wear
What should I wear?

  • Dress professionally

  • Dark complexion – light clothes

  • Light complexion – dark clothes

  • Avoid bright yellow, orange and white

  • Avoid large stripes and loud patterns


Conducting a videoconference meeting

Part 3

Conducting a Videoconference Meeting


Before the meeting
Before the Meeting

  • Test call at least one day before meeting

    • Connection

    • Sound

    • Send content

  • Dial early (at least 15 min.) to test connection

  • Check camera placement on each end (near and far sides)


Starting the meeting
Starting the Meeting

  • Start on time

  • Review videoconference protocols

    • Mute/un-mute

    • Distracting noises

    • Say name and location before speaking

  • Introduce everyone (close up of faces if possible)

  • Review meeting agenda


During the meeting
During the Meeting

  • Stick to agenda

  • Poll each site (allow extra time)

  • Count to ten or fifteen after every question or request

  • Say name and location

    when responding (large

    meetings)


Ending the meeting
Ending the Meeting

  • End on time

  • Thank everyone for attending

  • Have a definite ending (meeting adjourned, wave good by, sign off)

  • Re-dial for side-bars or individual conferences



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