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September 16, 2004
Mobile HCI 2004: Auditory Interactions
Mobile Note Taking: Investigating the Efficacy of Mobile Text Entry
Joanna Lumsden
aim is to create an audio-enhanced single stroke text entry system that demands as little visual resouce as possible
dynamic audio feedback to guide character entry progress
2 audio designs:
stereo-panned earcons
earcons creating virtual boundaries
test on a Xybernaught MA V running XP
touch screen in non-preferred hand
found to increase input accuracy when mobile
handwriting style influences accuracy
*****
The Personal Audio Loop: Designing a Ubiquitous Audio-Based Memory Aid
Giovanni Iachello
when talking and interupted, you often need prompting to remember what you were talking about
audio loop records audio in a circular buffer (15m-1h)
deletes old audio automatically
no storage
set 'earmark' bookmarks
uses small secondary display on phone and external buttons (clamshell)
lab study, diary study, legal analysis
*****
A Study on Gestural Interaction with a 3D Audio Display
Georgios Marentakis
Audio Windows - Cohen
Nomadic Radio - Schmandt
Auditory pie menus - Brewster
spacial sound gives ambiguity
performance improves with experience
tested browsing using a pointing arc movement, also head direction
tablet significantly more accurate
no difference between hand and head
sound position not important, but ineffective for locations at the back of the user
people thought the tablet was significantly harder to use
*****
Xaudio: Results From a Field Trial Study on a Technology Enhancing Radio Listeners’ User Experience
Reinhard Sefelin
Xaudio - insertion of inaudible codes into broadcast audio
test done with XDAs
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