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Convention Paper

A Theoretical Analysis of Sound Localization, with Application to Amplitude Panning

Authors: Menzies, Dylan; Fazi, Filippo Maria

AES Convention 138 · Paper 9295 · May 2015

Abstract

Below 700 Hz sound fields can be approximated well over a region of space that encloses the human head, using the acoustic pressure and gradient. With this representation convenient expressions are found for the resulting Interaural Time Difference (ITD) and Interaural Level Difference (ILD). This formulation facilitates the investigation of various head-related phenomena of natural and synthesized fields. As an example, perceived image direction is related to head direction and the sound field description. This result is then applied to a general amplitude panning system and can be used to create images that are stable with respect to head direction.

Details

Published in
AES Convention 138
AES Convention
138
Paper number
9295
Publication date
May 6, 2015
Session subject
Sound Localization and Separation
Affiliation
University of Southampton, Southampton, UK (See document for exact affiliation information.)
Type
Convention Paper