The Assessment of Auditory Displays In Support of Wayfinding

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Authors
  1. Kumagai, J.K.
  2. Massel, L.J.
Corporate Authors
Defence R&D Canada - Toronto, Toronto ONT (CAN);Humansystems Inc, Guelph ONT (CAN)
Abstract
This study focused on interface design issues of auditory wayfinding displays. The aims of this study were to: evaluate the utility of enhancing soldier wayfinding capabilities with auditory displays; determine the usability of seven different auditory displays by varying the complexity (sound dimension, pitch and rate) of wayfinding information presented in each display; and; identify the interface design issues associated with the auditory modality and determine the requirements for design optimization and future experimentation. In this study sixteen Canadian Forces infantry were required to use seven auditory display designs to determine the bearing to 12 familiarization waypoints and 12 experimental waypoints Display designs included three different dimensions of sounds (1D, 2D, and 3D) and four combinations of tone characteristics (constant rate and pitch [C], changing rate and constant pitch [R], constant rate and changing pitch [P], and changing rate and pitch [RP]). 1D sound was considered mono sound, which presented the same sound in both the left or right ear. 2D sound was considered binaural sound, which presented the sound in either the left or right ear. 3D sound used a head related transfer function to virtually space the sound around the soldier. The dimension of sound presented various richness qualities of direction information, while the changing rate and pitch were used to present information about the various angular distances from the bearing information

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Keywords
Soldier Information Requirements Technology Demonstration Project;SIREQ TD;wayfinding;auditory displays;dimensions of sound;2D;3D
Report Number
DRDC-TORONTO-CR-2005-022 — Contractor Report
Date of publication
01 May 2005
Number of Pages
76
DSTKIM No
CA026789
CANDIS No
524748
Format(s):
Electronic Document(PDF)

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