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Evaluation of Localization Accuracy of Static Sources Using HRTFs from a Fast Measurement System

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The use of individual head-related transfer functions (HRTFs) in the field of auralization has risen in recent years. The consequential need to measure individual HRTFs in a short period of time has led to the development of several measurement systems. These systems usually work with a number of loudspeakers placed around the subject. The added reflections from the multiple loudspeakers and uncertainties from the subject placement and movement can distort the measurement. This paper presents a psychoacoustic evaluation of individual HRTFs measured with such a system. Three localization listening experiments are performed to quantize the localization ability with individual HRTFs compared to a dummy head measurement. The first experiment is performed to investigate the influence of the pointing method. In the second experiment, the influence of the measurement setup itself is investigated, while the third experiment aims to determine if the errors introduced during the fast measurement are big enough to mask the benefits of individual measurements.
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Document Type: Research Article

Publication date: July 1, 2016

More about this publication?
  • Acta Acustica united with Acustica, published together with the European Acoustics Association (EAA), is an international, peer-reviewed journal on acoustics. It publishes original articles on all subjects in the field of acoustics, such as general linear acoustics, nonlinear acoustics, macrosonics, flow acoustics, atmospheric sound, underwater sound, ultrasonics, physical acoustics, structural acoustics, noise control, active control, environmental noise, building acoustics, room acoustics, acoustic materials, acoustic signal processing, computational and numerical acoustics, hearing, audiology and psychoacoustics, speech, musical acoustics, electroacoustics, auditory quality of systems. It reports on original scientific research in acoustics and on engineering applications. The journal considers scientific papers, technical and applied papers, book reviews, short communications, doctoral thesis abstracts, etc. In irregular intervals also special issues and review articles are published.
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