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From the same journal

Diffuse-Field Equalisation of Binaural Ambisonic Rendering

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Publication details

JournalApplied Sciences
DateAccepted/In press - 13 Oct 2018
DatePublished (current) - 17 Oct 2018
Issue number10
Number of pages17
Original languageEnglish


Ambisonics has enjoyed a recent resurgence in popularity due to virtual reality applications. Low order Ambisonic reproduction is inherently inaccurate at high frequencies, which causes poor timbre and height localisation. Diffuse-Field Equalisation (DFE), the theory of removing direction-independent frequency response, is applied to binaural (over headphones) Ambisonic rendering to address high-frequency reproduction. DFE of Ambisonics is evaluated by comparing binaural Ambisonic rendering to direct convolution via head-related impulse responses (HRIRs) in three ways: spectral difference, predicted sagittal plane localisation and perceptual listening tests on timbre. Results show DFE successfully improves frequency reproduction of binaural Ambisonic rendering for the majority of sound source locations, as well as the limitations of the technique, and set the basis for further research in the field

Bibliographical note

©2018 by the authors

    Research areas

  • ambisonics, binaural, equalisation

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