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    Applications of dynamic diffuse signal processing in sound reinforcement and reproduction.

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    Moore + Hill - RS 2017.pdf
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    Final conference paper
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    Authors
    Moore, Jonathan B.
    Hill, Adam J.
    Affiliation
    University of Derby
    Issue Date
    2017-11-21
    
    Metadata
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    Abstract
    Electroacoustic systems are subject to position-dependent frequency responses due to coherent interference between multiple sources and/or early reflections. Diffuse signal processing (DiSP) provides a mechanism for signal decorrelation to potentially alleviate this well-known issue in sound reinforcement and reproduction applications. Previous testing has indicated that DiSP provides reduced low-frequency spatial variance across wide audience areas, but in closed acoustic spaces is less effective due to coherent early reflections. In this paper, dynamic implementation of DiSP is examined, whereby the decorrelation algorithm varies over time, thus allowing for decorrelation between surface reflections and direct sounds. Potential applications of dynamic DiSP are explored in the context of sound reinforcement (subwoofers, stage monitoring) and sound reproduction (small-room low-frequency control, loudspeaker crossovers), with preliminary experimental results presented.
    Citation
    Moore, J.B.; A.J. Hill. (2017) 'Applications of dynamic diffuse signal processing in sound reinforcement and reproduction.' Proc. Institute of Acoustics – Conference on Reproduced Sound, Nottingham, UK. 21-23rd November, Vol 39 (1).
    Publisher
    Institute of Acoustics
    Journal
    Proceedings of the Institute of Acoustics
    URI
    http://hdl.handle.net/10545/622150
    Additional Links
    http://reproducedsound.co.uk/history
    https://ioa.org.uk/civicrm/event/info?reset=1&id=256
    Type
    Meetings and Proceedings
    Language
    en
    Collections
    Department of Electronics, Computing & Maths

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