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    The effect of performance stages on subwoofer polar and frequency responses

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    Authors
    Hill, Adam J.
    Paul, Joe
    Affiliation
    University of Derby
    Issue Date
    2016-11-17
    
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    Abstract
    Precise control of low-frequency energy is a common requirement at large-scale live events, whereby sound energy transmitted into performance areas and outside event grounds must be limited. Industry-standard sound system design and prediction software typically omits any acoustical effect a performance stage will have on the overall system response (both in terms of polar and frequency response).This research highlights the significant effect a stage can have on subwoofer performance, where in particularly poor cases directionality is lost and the frequency response is strongly colored by resonances. This work puts forward recommendations for subwoofer system configurations that avoid unwanted stage effects as much as possible to maintain the desired (and predicted) system performance.
    Citation
    Hill, A. J. and Paul, J. (2016) 'The effect of performance stages on subwoofer polar and frequency responses', Reproduced Sound:32nd Institute of Acoustics Annual Conference and Exhibition, Southampton, UK, 15-17 November
    Publisher
    Institute of Acoustics
    Journal
    32nd Institute of Acoustics Annual Conference and Exhibition
    URI
    http://hdl.handle.net/10545/621111
    Additional Links
    https://ioa.org.uk/civicrm/event/info%3Freset%3D1%26id%3D174
    Type
    Meetings and Proceedings
    Language
    en
    Collections
    Department of Electronics, Computing & Maths

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