time-sharing computer system with sound management proposal team 4 manager webmaster document prep...
Post on 19-Dec-2015
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TIME-SHARING COMPUTER SYSTEM WITH SOUND
MANAGEMENT PROPOSAL
Team 4
Manager Webmaster
Document PrepPresentation Prep
Lab CoordinatorFaculty Facilitator
David WilsonTim HaynieAndy BruinsmaBret CharboneauBilly MattinglyRama Mukkamala
Presentation Overview
Background Customer Needs Design Criteria Conceptual Designs
Tanzania, Africa George &Vickie Rock
Lack of Resources
Current Setup
Two schools have 6 seat setups with 1 computer System has problems registering and there
is no audio
Issues with Current Setup
Keyboards are assigned to wrong Screen Mice are clicked out of order USB cables when unplugged cause
system to become confused
Customer Needs
Third School to be added Sound for individual sessions Automated keyboard and mouse
Deliverables
Automated Association of Monitor Keyboard Mouse
Integrate Audio at each station
Design Criteria
Low Cost User Friendly Low Power Can be Replicated Low Maintenance
Conceptual Designs - Software Linux (Ubuntu)
MDM (Multi-seat Display Manager) GDM (GNOME Display Manager) Userful (Commercial Software)
Multi-seat Display Manager
Specifically designed for multiple seats Runs nested, virtual sessions Pros
Free Currently being used in Tanzania
Cons Less support Easy for users to make mistakes
GNOME Display Manager
Current Ubuntu configuration Multiple user system Pros
Inexpensive Common display manager
Cons Not currently used in Tanzania Not designed for more than two seats
Userful
Commercial software Designed for up to 10 seats Pros
It does everything! Solves audio problem Solves automation problem
Cons Cannot alter configuration files More expensive (roughly 35% per seat)
Conceptual Designs - Hardware Automated USB Hub Device will perform automatic
registration for Keyboard, Mouse and Sound
May require additional custom software Will not be needed with Userful solution
AUDRI - Automatic USB Device Registration Interface
Cost Analysis - Per Seat
Software USB
audio USB hub Enclosure
Total
Software USB hub with
audio
Total = $69
MDM Userful
- Free- $20- $20- $5 = $45
Cost Savings
Comparing MDM and Userful $24 saved per seat x 6 seats per school =
$144 3 schools x $144 = $432
If implemented in 100 schools (600 seats) Savings of $14,400
Questions?