Successfully reported this slideshow.
We use your LinkedIn profile and activity data to personalize ads and to show you more relevant ads. You can change your ad preferences anytime.
Effects of using a push-to-talk button for speech user interfaces on visual attention  Authors: Nemanja Memarovi ć , Oszka...
Effects of using a push-to-talk button for speech user interfaces on visual attention <ul><li>Outline  </li></ul><ul><ul><...
Effects of using a push-to-talk button for speech user interfaces on visual attention <ul><li>Introduction   </li></ul>Amb...
Effects of using a push-to-talk button for speech user interfaces on visual attention <ul><ul><li>Low speech recognition a...
Effects of using a push-to-talk button for speech user interfaces on visual attention <ul><li>Problems – PTT operation </l...
Effects of using a push-to-talk button for speech user interfaces on visual attention <ul><li>Problems - Glances </li></ul...
Effects of using a push-to-talk button for speech user interfaces on visual attention <ul><li>Goal </li></ul><ul><ul><li>T...
Effects of using a push-to-talk button for speech user interfaces on visual attention <ul><li>Hypothesis 1/2 </li></ul><ul...
Effects of using a push-to-talk button for speech user interfaces on visual attention <ul><li>Hypothesis 2/2 </li></ul><ul...
Effects of using a push-to-talk button for speech user interfaces on visual attention <ul><li>Approach 1/2 </li></ul><ul><...
Effects of using a push-to-talk button for speech user interfaces on visual attention <ul><li>Approach 2/2 </li></ul><ul><...
Effects of using a push-to-talk button for speech user interfaces on visual attention <ul><li>Approach 2/2 </li></ul><ul><...
Effects of using a push-to-talk button for speech user interfaces on visual attention <ul><li>Results </li></ul>Mean lane ...
Effects of using a push-to-talk button for speech user interfaces on visual attention <ul><li>Results </li></ul>Mean steer...
Effects of using a push-to-talk button for speech user interfaces on visual attention <ul><li>Results </li></ul>Mean veloc...
Effects of using a push-to-talk button for speech user interfaces on visual attention <ul><li>Results </li></ul>
Effects of using a push-to-talk button for speech user interfaces on visual attention <ul><li>Conclusion </li></ul><ul><ul...
Effects of using a push-to-talk button for speech user interfaces on visual attention <ul><li>Thank you for your attention...
Upcoming SlideShare
Loading in …5
×

Effects Of Using A Push To Talk Button For Speech User Interfaces On Visual Attention

1,190 views

Published on

This is the slideshow I had for NECHFES 2008 student conference. The talk was on training the drivers not to glance down for push-to-talk button.

Published in: Education, Technology, Business
  • Be the first to comment

Effects Of Using A Push To Talk Button For Speech User Interfaces On Visual Attention

  1. 1. Effects of using a push-to-talk button for speech user interfaces on visual attention Authors: Nemanja Memarovi ć , Oszkar Palinko, Andrew Kun
  2. 2. Effects of using a push-to-talk button for speech user interfaces on visual attention <ul><li>Outline </li></ul><ul><ul><li>Introduction </li></ul></ul><ul><ul><li>Problems </li></ul></ul><ul><ul><li>Goal </li></ul></ul><ul><ul><li>Hypothesis </li></ul></ul><ul><ul><li>Approach </li></ul></ul><ul><ul><li>Results </li></ul></ul>
  3. 3. Effects of using a push-to-talk button for speech user interfaces on visual attention <ul><li>Introduction </li></ul>Ambient recognition Push-to-talk button VS.
  4. 4. Effects of using a push-to-talk button for speech user interfaces on visual attention <ul><ul><li>Low speech recognition accuracy </li></ul></ul><ul><ul><li>Visual attention </li></ul></ul>What’s that you say? <ul><li>Problems </li></ul><ul><li> </li></ul>Worse driving performance
  5. 5. Effects of using a push-to-talk button for speech user interfaces on visual attention <ul><li>Problems – PTT operation </li></ul><ul><li> </li></ul>
  6. 6. Effects of using a push-to-talk button for speech user interfaces on visual attention <ul><li>Problems - Glances </li></ul><ul><li> </li></ul>
  7. 7. Effects of using a push-to-talk button for speech user interfaces on visual attention <ul><li>Goal </li></ul><ul><ul><li>To improve safety by reducing number of glances at the PTT button </li></ul></ul><ul><li> </li></ul>
  8. 8. Effects of using a push-to-talk button for speech user interfaces on visual attention <ul><li>Hypothesis 1/2 </li></ul><ul><ul><li>Verbal instructions </li></ul></ul><ul><li> </li></ul>Keep your eyes on the road
  9. 9. Effects of using a push-to-talk button for speech user interfaces on visual attention <ul><li>Hypothesis 2/2 </li></ul><ul><ul><li>Warning sticker </li></ul></ul><ul><li> </li></ul>Push-to-talk button
  10. 10. Effects of using a push-to-talk button for speech user interfaces on visual attention <ul><li>Approach 1/2 </li></ul><ul><ul><li>Experiment setup </li></ul></ul>Eye tracker Head camera Hands camera Eye tracker screen camera
  11. 11. Effects of using a push-to-talk button for speech user interfaces on visual attention <ul><li>Approach 2/2 </li></ul><ul><ul><li>Experiment design </li></ul></ul><ul><ul><ul><li>Primary task - following the lead vehicle </li></ul></ul></ul><ul><ul><ul><li>Secondary task - speech control of the radio </li></ul></ul></ul><ul><ul><ul><li>8 subjects, 4 in each group </li></ul></ul></ul><ul><ul><ul><li>2x2x2 design </li></ul></ul></ul>1 2 3 4 Interactions for subject 1 Groups With verbal instructions Without verbal instructions SUI solution PTT Ambient PTT Ambient Accuracy High Low
  12. 12. Effects of using a push-to-talk button for speech user interfaces on visual attention <ul><li>Approach 2/2 </li></ul><ul><ul><li>Experiment design </li></ul></ul><ul><ul><ul><li>Primary task - following the lead vehicle </li></ul></ul></ul><ul><ul><ul><li>Secondary task - speech control of the radio </li></ul></ul></ul><ul><ul><ul><li>8 subjects, 4 in each group </li></ul></ul></ul><ul><ul><ul><li>2x2x2 design </li></ul></ul></ul>2 1 4 3 Interactions for subject 2 Groups With verbal instructions Without verbal instructions SUI solution PTT Ambient PTT Ambient Accuracy High Low
  13. 13. Effects of using a push-to-talk button for speech user interfaces on visual attention <ul><li>Results </li></ul>Mean lane position variance (m 2 )
  14. 14. Effects of using a push-to-talk button for speech user interfaces on visual attention <ul><li>Results </li></ul>Mean steering wheel angle variance (o 2 )
  15. 15. Effects of using a push-to-talk button for speech user interfaces on visual attention <ul><li>Results </li></ul>Mean velocity variance (m 2 /s 2 )
  16. 16. Effects of using a push-to-talk button for speech user interfaces on visual attention <ul><li>Results </li></ul>
  17. 17. Effects of using a push-to-talk button for speech user interfaces on visual attention <ul><li>Conclusion </li></ul><ul><ul><li>Fewer glances </li></ul></ul><ul><ul><li>Further analysis of the data </li></ul></ul><ul><ul><ul><li>Determining statistical significance </li></ul></ul></ul>
  18. 18. Effects of using a push-to-talk button for speech user interfaces on visual attention <ul><li>Thank you for your attention! </li></ul><ul><li>Questions? </li></ul>

×