The present disclosure relates to an active acoustic control system comprising: a first sensor arrangement arranged to sense an acoustic signal in the region of an object, the acoustic signal having a scattered acoustic pressure component and a total acoustic pressure, the first sensor arrangement being arranged to sense the total acoustic pressure of the acoustic signal; a processor configured to: apply a filter to filter the total acoustic pressure and provide a filtered output signal; and estimate the scattered acoustic pressure component based on the filtered output signal from the filter; and a control source arrangement operable to control the scattered acoustic pressure component based on the estimation and a regularisation parameter determined based on a relationship between: level of control of the scattered acoustic pressure component of the acoustic signal when controlled using the control source arrangement of the system using a set of test regularisation parameters.


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    Title :

    ACTIVE ACOUSTIC CONTROL SYSTEMS AND METHODS


    Additional title:

    AKTIVE AKUSTISCHE STEUERUNGSSYSTEME UND -VERFAHREN
    SYSTÈMES ET PROCÉDÉS DE COMMANDE ACOUSTIQUE ACTIVE


    Contributors:

    Publication date :

    2025-02-19


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B63G OFFENSIVE OR DEFENSIVE ARRANGEMENTS ON VESSELS , Angriffs- oder Verteidigungsanordnungen auf Schiffen / G10K Tonerzeugungsvorrichtungen , SOUND-PRODUCING DEVICES



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