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    The transparency of binaural auralisation using very high order circular harmonics

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    Authors
    Dring, Mark
    Wiggins, Bruce cc
    Affiliation
    University of Derby
    Issue Date
    2019-11
    
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    Abstract
    Ambisonics to binaural rendering has become the de facto format for processing and reproducing spatial sound scenes, but direct capture and software generated output is limited to low orders; limiting the accuracy of psycho-acoustic cues and therefore the illusion of a ‘real-world’ experience. Applying a practical method through the use of acoustic modelling software, this study examines the potential of using very high horizontal only Ambisonic orders (up to 31st) to binaural rendering. A novel approach to the scene capturing process is implemented to realise these very high orders for a reverberant space with head-tracking capabilities. A headphone based subjective test is conducted, evaluating specific attributes of a presented auditory scene to determine when a limit to the perceived auditory differences of varying orders has been reached.
    Citation
    Dring, M., and Wiggins, B. (2019) 'The transparency of binaural auralisation using very high order circular harmonics'. Reproduced sound 2019: creating engagement in sound: proceedings of the institute of acoustics. The Bristol Hotel, Bristol November 19-21. Milton Keynes: Institute of Acoustics.
    Publisher
    Institute of Acoustics
    Journal
    Proceedings of the Institute of Acoustics
    URI
    http://hdl.handle.net/10545/624296
    Additional Links
    http://reproducedsound.co.uk/
    https://www.ioa.org.uk/sites/default/files/civicrm/persist/contribute/files/2019%20Programme.1%281%29.pdf
    Type
    Meetings and Proceedings
    Language
    en
    Collections
    Department of Electronics, Computing & Maths

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