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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.
Author (s): Xie, Bosun; Mai, Haiming; Zhong, Xiaoli
Affiliation:
South China University of Technology, Guangzhou, China
(See document for exact affiliation information.)
AES Convention: 142
Paper Number:9726
Publication Date:
2017-05-06
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Session subject:
Spatial Audio—Ambisonics
Permalink: https://aes2.org/publications/elibrary-page/?id=18603
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Xie, Bosun; Mai, Haiming; Zhong, Xiaoli; 2017; The Median-Plane Summing Localization in Ambisonics Reproduction [PDF]; South China University of Technology, Guangzhou, China; Paper 9726; Available from: https://aes2.org/publications/elibrary-page/?id=18603
Xie, Bosun; Mai, Haiming; Zhong, Xiaoli; The Median-Plane Summing Localization in Ambisonics Reproduction [PDF]; South China University of Technology, Guangzhou, China; Paper 9726; 2017 Available: https://aes2.org/publications/elibrary-page/?id=18603