Suitability of Bone Conduction Headphones for Virtual Acoustic Environments

Autor(en): Voong, T.M.
Costa, M.D.V.M.D.
Regener, M.
Reuter, C.
Oehler, M. 
Stichwörter: Loudspeakers; Transfer functions, Acoustic environment; Air conduction; Bone-conduction headphones; Frequency ranges; Head related transfer function; High frequency HF; Localization accuracy; Regular pairs; Virtual acoustic environments, Headphones
Erscheinungsdatum: 2022
Herausgeber: Audio Engineering Society
Journal: Proceedings of the AES International Conference
Volumen: 2022-August
Startseite: 152
Seitenende: 160
This paper presents a study on the use of bone conduction headphones (BCHs) as an alternative device for augmented (AR) and mixed (MR) reality scenarios, as they have the advantage of keeping the user in contact with the real acoustic environment since their ears are unobstructed. Experiments regarding localization accuracy were conducted using different Head-Related Transfer Functions (HRTFs), including individualized simulated ones, and with a set of transducers comprising two different models of BCHs and a regular pair of air conduction headphones (ACHs). In terms of azimuth localization accuracy, BCHs do not appear to differ significantly from ACHs, but numerically simulated individual HRTFs are preferable over generic HRTFs and simplified individual HRTFs. With respect to elevation localization accuracy, BCHs that transmit signals well in the higher frequency range are necessary to achieve similar results to ACHs. © 2022 Audio Engineering Society. All rights reserved.
Conference of 2022 AES International Conference on Audio for Virtual and Augmented Reality, AVAR 2022 ; Conference Date: 15 August 2022 Through 17 August 2022; Conference Code:183727
ISBN: 9781713859727
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