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A Design Tool to Produce Optimised Ambisonic Decoders

Moore, David J. and Wakefield, Jonathan P. (2010) A Design Tool to Produce Optimised Ambisonic Decoders. In: 40th International Audio Engineering Society Conference - Spatial Audio, 8-10 October 2010, Tokyo, Japan.

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    Abstract

    This paper describes a tool for designing Ambisonic surround sound decoders. The tool is highly flexible and provides a decoder designer with powerful features to enable the design of a decoder to their specific requirements. The tool
    employs computer search to find decoder parameters that best meet design criteria specified in a multiobjective fitness function. Features include: objective range-removal and importance, even performance by angle, performance that correlates with human spatial resolution, and frequency dependent and independent decoders of different orders.
    Performance can be optimised for a single listener or multiple off-centre listeners. The current tool works for 5.0 surround sound however it can be extended to other horizontal-only and 3D configurations. Results are shown that
    demonstrate the tool’s capability and flexibility for various scenarios.

    Item Type: Conference or Workshop Item (Paper)
    Subjects: Q Science > QA Mathematics > QA76 Computer software
    T Technology > T Technology (General)
    T Technology > TA Engineering (General). Civil engineering (General)
    Schools: School of Computing and Engineering
    School of Computing and Engineering > Music Technology and Production Research Group
    School of Computing and Engineering > Pedagogical Research Group
    Related URLs:
    Depositing User: Jonathan Wakefield
    Date Deposited: 25 Nov 2010 10:13
    Last Modified: 16 Dec 2010 10:02
    URI: http://eprints.hud.ac.uk/id/eprint/9097

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