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Archives of Acoustics

The Journal of Institute of Fundamental Technological of Polish Academy of Sciences

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IMPACT FACTOR 2016: 0.816
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ISSN
2300-262X
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Subjective Evaluation of Three Headphone-Based Virtual Sound Source Positioning Methods Including Differential Head-Related Transfer Function

Dominik Storek
  • Corresponding author
  • Department of Radioelectronics, Czech Technical University in Prague Technická 2, 166 27 Prague, Czechia
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  • Other articles by this author:
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/ Frantisek Rund
  • Department of Radioelectronics, Czech Technical University in Prague Technická 2, 166 27 Prague, Czechia
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/ Petr Marsalek
  • Department of Radioelectronics, Czech Technical University in Prague Technická 2, 166 27 Prague, Czechia
  • Other articles by this author:
  • De Gruyter OnlineGoogle Scholar
Published Online: 2016-10-27 | DOI: https://doi.org/10.1515/aoa-2016-0043

Abstract

This paper analyses the performance of Differential Head-Related Transfer Function (DHRTF), an alternative transfer function for headphone-based virtual sound source positioning within a horizontal plane. This experimental one-channel function is used to reduce processing and avoid timbre affection while preserving signal features important for sound localisation. The use of positioning algorithm employing the DHRTF is compared to two other common positioning methods: amplitude panning and HRTF processing. Results of theoretical comparison and quality assessment of the methods by subjective listening tests are presented. The tests focus on distinctive aspects of the positioning methods: spatial impression, timbre affection, and loudness fluctuations. The results show that the DHRTF positioning method is applicable with very promising performance; it avoids perceptible channel coloration that occurs within the HRTF method, and it delivers spatial impression more successfully than the simple amplitude panning method.

Keywords: virtual positioning; virtual reality; positioning method; positioning algorithm; head-related transfer function; amplitude panning

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About the article

Received: 2015-12-01

Accepted: 2016-03-02

Published Online: 2016-10-27

Published in Print: 2016-09-01


Citation Information: Archives of Acoustics, ISSN (Online) 2300-262X, DOI: https://doi.org/10.1515/aoa-2016-0043.

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© Polish Academy of Sciences & Institute of Fundamental Technological Research (IPPT PAN). This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License. BY-NC-ND 4.0

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