in car speech user interfaces - swanh education event presentation, january 2009
DESCRIPTION
SwANH presentation - January 2009TRANSCRIPT
In-Car Speech User Interfaces
Andrew Kun
Students @ ECE
Jon Oppelaar Oskar Palinko Zeljko Medenica
Owen Derby Alex Shyrokov Puneet Lakhanpal
Outline
• Ubicomp and cars• Studies• What’s next?
Navigation
Music, phones
Cars in the age of ubicomp
• Car = docking port (Russell Shields, Ygomi)• Good docking port = open interface• Liability?• Profit?
Police cars
• Toys vs. tools• Vanguard of in-car
ubicomp
Project54
Outline
• Ubicomp and cars
• Studies• What’s next?
Studies
• Problem:– In car devices vs. driving performance
Studies
• Goal: – Evaluation tool– Reduce distractions
Studies
• Major hypotheses:– UI characteristics– Road conditions– Psychological state
Evaluating hypotheses
• Driving simulator user studies
DriveSafety driving simulator• tinyurl.com/p54sim
Driving performance
• Variance:– Lane position– Steering wheel angle– Velocity– Distance to leading vehicle
• Lane departures• Collisions• Etc…
Seeingmachines eye tracker• tinyurl.com/eyetracker
Visual attention
• Fixations (> 100 ms): number, timing, etc.• Scanning• Time looking at road• Etc…
Studies
• Glove PTT:– Accuracy– PTT usage– PTT interaction type
• Glove PTT:– Accuracy– PTT usage– PTT interaction type
• Navigation:– Printed, GUI, speech– City, highway, curves
• Navigation:– Printed, GUI, speech– City, highway, curves
Glove PTT study
Fixed PTT operation
Fixed PTT – glances!
Glove PTT operation
Glove PTT – few glances
Navigation study
• Motivation: PNGs proliferating• Task: follow directions to destination• Design:– Directions: paper map/GUI + speech/speech– Road conditions: highway/suburban highway/city
Cabin setup
Printed directions
GUI and voice directions
Voice only directions
Outline
• Ubicomp and cars• Studies
• What’s next?
Navigation study
• Why is LCD screen important?
What’s next?• Frustration?
Acknowledgements
• NSF• US DOJ• Microsoft Research• Tellme
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