MULTI-SEAT COMPUTER SYSTEM WITH

AUDIO INTEGRATION

Team 4

Manager Webmaster

Document PrepPresentation Prep

Lab CoordinatorFaculty Facilitator

David WilsonTim HaynieAndy BruinsmaBret CharboneauBilly MattinglyRama Mukkamala

Tanzanian Computer Project

Started in Fall 2008 Supporting schools near Arusha,

Tanzania Provided computers with internet access

to schools lacking resources and funding

George &Vickie Rock

Current Setup

2 schools have internet access 6 seats running off of 1 computer

6 User Multi-Seat System

Limitation of Current System No audio at individual seats Incorrect keyboard and mouse

association

Our Project

Implement multiuser system at a 3rd school

Minimize keyboard and mouse association errors

Provide audio capabilities for each seat at all three schools

Design Criteria

Low Cost User Friendly Low Maintenance Withstand Hot Climate

MDM Overview

Software chosen to run multiple seats Not an actual display manager Install process and configuration files Runs nested, virtual sessions

MDM

2048x768

1024x768

1024x768

AUDRI

Assistive USB Device Registration Interface

Consists of 6 user hubs 1 communication hub

Used for links between six seats and the communication hub

Consists of 2 LEDs 1 start/stop button 3 input jacks 2 audio output jacks

User Hub

Communication Hub

Provides switching of keyboards and mice

12 inputs and12 outputs 6 keyboards and 6 mice

Contains microcontroller and circuit for communication

Audio

The Problem By default, MDM only plays sound for one

user at a time Has to be configured with each seat

USB sound devices Plugged into AUDRI communication box

USB Drives

Added feature for the customer The problem

Not setup with default MDM installation USB drives can only access one user at a

time Why use it?

Additional user functionality Useful for teachers and students

Teachers can distribute assignments Students can submit assignments

Cost

Parts Total PriceElectronic Components $55.90Cables $24.12Hardware $19.00Audio Cards $13.50

Cost ComparisonPrice Per

SeatAUDRI System $18.75Userful (Corporate): $97.25Userful (Education): $67.25

Total Savings (Corporate): $78.50Total Savings (Education): $48.50

A savings of over 70% per seat

Summary

Created 6 user multi-seat system System has audio capabilities Minimizes association errors Allows for USB drives Project implementation

Questions?