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  • -Steve: Welcome and thank you for coming. We would like to present to you our project called JoeyTalk. A GPS speech recognition system.

Transcript

  • 1. JoeyTalk GPS Speech Recognition System May 2006
  • 2. Our Team
            • Karen Lin
        • Steve Myrthil
    • Hao Tran
  • 3. Our Joey at Tufts
    • Free shuttle from campus to Davis Square
    • Stops at various locations on campus
    • Used by students, faculty, staff and visitors
  • 4. Wait or Walk?
    • Frequent changes in the schedule
    • Inconsistent arrival/departure times
        • Traffic Delays
        • Shift Changing of Drivers
        • Change of routes
  • 5.
    • Real-time information on Joey’s location
    • Via website currently in testing phase
    A Solution…
  • 6. Our Solution…
    • A decision aid that talks
  • 7. Making Joey Talk
    • Design a voice user interface
    • Prototype
    • Usability Test
    • Refine Design
  • 8. The Design Process
    • How to communicate where the Joey is
        • Use major landmarks
        • Keep wording simple and effective
    • Determine each unique path
  • 9. Mapping The Prompts Tufts University Davis Square Red Line Stop
  • 10. Mapping The Prompts The Joey is on Packard Avenue on its way to Campus Center. Tufts University Davis Square Red Line Stop
  • 11. Interpreting GPS
    • Latitude and longitude coordinates
    • Each set pinpoints an address
    42.4083790, -71.1207980 160 Packard Ave, Medford, MA
  • 12. Our Simulation
    • Moves the Joey through virtual space
    • Mimics the 10-second refresh rate
    • VXML and Java
    • Bevocal host server
    Sample Call of Initial Prototype:
  • 13. Usability Testing
    • Methodology
          • Real users as participants (5)
          • Three test scenarios
          • Observations, timed tasks
          • Questionnaires
    because it’s all about the user’s experience…
  • 14.
    • “ Takes too long a time to reach
    • goal information (Joey’s location)”
    Usability Findings A snap shot
  • 15. Catering to User needs… Redesigned to tell the Joey’s location immediately Before After
  • 16. Joey all grown up… Final Sample Call: Redesign resulted in improved usability ratings
  • 17. As Joey matures…
    • Full Integration with JoeyTrack Website
    • Accommodate Two Shuttles
    • Route Advisory Alerts
    • Text Messaging Options
  • 18. Outside Applications
          • Other Tufts’ shuttles
          • Other mass transit systems
          • Locate your teenage kids
          • Anything you could hope to know
  • 19.
    • Questions?
  • 20.
    • Thank You!