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People Activated Smart-TALK-BACK System for Internet TeleConferencing
 See also---> [Interactive Voice Link for MBone]
Cheap & Simple is Simple & Cheap is Cheap & Simple is Cheap & Simple
[(VGA Monitor = $ 229.00; + Keyboard & Headset = $ 99.00; + Mouse = $ 29.00) = $ 357.00 per Student ] x 14 = $ 4,998.00; + I/O = $ 250.00] = ...
The "Dumb Terminal" Metaphor 
One could outfit every student's position with their own monitor, keyboard, headset and mouse for a total 
each of $357.00. 
(This is based 1 piece gray-market pricing, in volume + educational discounts it may be more like ~ $ 240.00 each)

14 student positions could be setup for the price of one VGA projector. The student will have better 
Imaging with a 14 inch VGA monitor than from either a large 27 inch Monitor or any Video Projector. 
(This is partially a function of dot pitch verses relative viewer distance.) 

The mouse is more than adequate for annotation. The keyboard & headset finish off the personal I/O 
for the student. 

The I/O for a 14 student setup or almost number of setups, would be on the order of about $ 250.00. 

14 x $ 357.00 = 4,998.00 + $ 250.00 = 5,248.00... 

Two Arrangements: With and without Individual Student Workstations
Far End
Near End
Server/PC 
Personal Communications Unit (PCU) 
Receiver for PCU (n channels) 
Speakers 
Individual Workstations 
Personal Input Device (PID) 
Audience Camera 
Server/PC 
White Board 
Rostrum Camera (w/people Tracker) 
Personal Communications Unit (PCU) 
Receiver for PCU (n channels) 
Speakers 
Individual Workstations 
Personal Input Device (PID) 
Audience Camera 
Far End
Near End
Server/PC 
Personal Communications Unit (PCU) 
Receiver for PCU (n channels) 
Speakers 
Monitor / Projector 
Personal Input Device (PID) 
Audience Camera 
Server/PC 
White Board 
Rostrum Camera (w/people Tracker) 
Personal Communications Unit (PCU) 
Receiver for PCU (n channels) 
Speakers 
Monitor / Projector 
Personal Input Device (PID) 
Audience Camera 

Scenarios

Instructor: Speaks Shows Overhead Annotates/WB  
Local Student(s) Hear Live See Live See Live  
Far Student(s) Hear Audio See Video See Video  
         
Far Student(s) Has Question
In-Queue
Given Cue to Speak
(beep in headset)
Speaks Annotates/IPD
Instructor: Acknowledges Queue   Hear Audio See Video
Local Student(s)     Hear Audio See Video
Far Student(s)     Hear Audio
Hear Live
See Video
         

Components

Near-End Originating 

Component Description Component Cost
Server/PC Sun  $
Rostrum Camera (w/people Tracker SW)  ..Canon VC-C1 MKII $1,999.00
White Board  (3" x 4')   $
Personal Communications System   Remote Phone for Remote Audio ~ ~ $ 150.00 each *
    .
   
Personal Input Device (PID) Tablet Tablet, Mouse, IR Remote $
Audience Camera    $ 250.00 each
Personal Workstation * (each student) Laptop, PC clone, (bare-bones) ~ ~ $800.00 - $1,200.00 each
     
     

Far-End Distance 

Component Description Component Cost
Server/PC  SUN $

Imaging from Originating End

    Monitor 
    Projector 
  $

Audio from Originating End

    Sound Card 
    Amplifier (10 Watts) 
    Speaker System
  $
Personal Communications System 
    Personal Communications Unit (PCU) 
    PCU Receiver 
Remote Phone for Remote Audio $
Personal Input Device (PID)  Tablet, Mouse, IR Remote $
Audience Camera    $250.00 each
Personal Workstation * (each student) Laptop, PC clone, (bare-bones) ~ ~ $800.00 - $1,200.00 each

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