An evaluation of sound localization effect on the auditory distance estimation in a user study is presented. Binaural Room Impulse Responses of 60 positions were recorded in a reverberant space using a dummy head. The recordings were evaluated by the users in a headphone-based listening test to analyze the listeners’ ability to perceive the distance with and without prior knowledge of direction of origin. When known, the distance estimation accuracy in left and right sides of the head in near field (2m, 4m) was improved and at some angles saw a significant improvement. However, known direction did not assist the users in determining the larger distance levels (6m, 8m, 10m). No improvements were seen in the front and back sides for all directions.

Authors: Afghah, Tahereh; Allen, Andrew; Otto, Peter; Benjamin, Aravindan Joseph
Affiliations: University of California San Diego, San Diego, CA, USA; Google Inc., Mountain View, CA, USA; Technical University of Ilmenau, Ilmenau, Germany(See document for exact affiliation information.)
AES Convention: 142 (May 2017) Paper Number: 9754
Publication Date: May 11, 2017
Subject: Listening Tests and Psychoacoustics 1

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