Modelling Loudspeaker Non-Linearities

    Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearch


    This paper investigates different techniques for modelling the non-linear parameters of the electrodynamic loudspeaker. The methods are tested not only for their accuracy within the range of original data, but also for the ability to work reasonable outside that range, and it is demonstrated that polynomial expansions are rather poor at this, whereas an inverse polynomial expansion or localized fitting functions such as the gaussian are better suited for modelling the Bl-factor and compliance. For the inductance the sigmoid function is shown to give very good results. Finally the time varying property of the suspension is studied and it demonstrated that significant part of the variation can be predicted from the dissipated power.
    Original languageEnglish
    Title of host publicationProceedings of the AES 32nd. International Conference
    Number of pages9
    Publication date2007
    Publication statusPublished - 2007
    Event32nd AES International Conference - Hillerød, Denmark
    Duration: 21 Sep 200723 Sep 2007
    Conference number: 32nd


    Conference32nd AES International Conference
    Internet address


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