Non-speech Auditory Output
Steven Brewster

1. Introduction and a brief history of non-speech sound and HCI
2. Why use non-speech sound in HCI?
   • advantages and disadvantages of non-speech sounds
   • comparing speech and non-speech sounds for interface design
3. Technology and display
   • a brief introduction to sound synthesis
   • a brief introduction to sampling
   • 3D sound technology
   • playing sounds on different devices and their limitations
4. Perception of sound
   • classical sound perception
   • everyday listening
   • real and virtual 3D sound perception
   • problems with 3D sound perception
5. Non-speech sound presentation techniques
   • earcons
   • auditory icons
   • genre sounds
6. The applications of sound
   • Sonic enhancement and graphical replacement in GUIs
   • Information sonification
   • Sound for users with visual impairments
   • Sound for wearable and mobile computers
   • Sound for multi-user environments
   • Sound for navigation
7. Auditory interface design guidelines
   • a review of guidlines for sound design
   • avoiding annoyance
   • evaluation of auditory interfaces
8. Conclusions and the future of sound in HCI