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Convention Paper

The Median-Plane Summing Localization in Ambisonics Reproduction

Authors: Xie, Bosun; Mai, Haiming; Zhong, Xiaoli

AES Convention 142 · Paper 9726 · May 2017

Abstract

One aim of Ambisonics reproduction is to recreate the perception of virtual source in arbitrary directions. Practical Ambisonics reproduction is unable to recreate correct high-frequency spectra in binaural pressures that are known as front-back and vertical localization cue. Based on both a simple shadowless head model and KEMAR’s HRTFs, the present work proves that the changes of ITD caused by head turning in Ambisonics match with these of a real source, and thus provide dynamic cue for vertical localization, especially in the median plane. In addition, the low-frequency virtual source direction can be approximately evaluated by using a set of localization equations or panning laws. The above analysis is validated by a median-plane virtual source localization experiment with Ambisonics reproduction.

Details

Published in
AES Convention 142
AES Convention
142
Paper number
9726
Publication date
May 6, 2017
Session subject
Spatial Audio—Ambisonics
Affiliation
South China University of Technology, Guangzhou, China (See document for exact affiliation information.)
Type
Convention Paper