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The Evaluation of the Effect of Sound Directionality in Horizontal Plane on the Human Auditory Distance Perception in a Large Reverberant Room

Authors: Afghah, Tahereh; Allen, Andrew; Otto, Peter; Benjamin, Aravindan Joseph

AES Convention 142 · Paper 9754 · May 2017

Abstract

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.

Details

Published in
AES Convention 142
AES Convention
142
Paper number
9754
Publication date
May 6, 2017
Session subject
Listening Tests and Psychoacoustics 1
Affiliation
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.)
Type
Convention Paper