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Aircraft windows are a significant path for structure-borne and air-borne noise transmission in aircraft. Turbulent Boundary Layer noise is mainly transmitted into the cabin by airborne paths, but structure-borne noise, associated with engine vibration and the interaction between aerodynamic wakes and aircraft structure, makes a significant contribution to interior noise levels, especially at certain discrete frequencies. Active systems can be efficiently designed in order to reduce the amountdoi:10.31224/2721 fatcat:fpd5al4egvbbpodfwczbk34mty