Active noise control (ANC) methods have been successfully studied and tested for the cancellation of stationary noise. In the last decade, some adaptive solutions for the case of impulsive noise have been proposed in the literature. Nevertheless, such a model fits a limited class of impulsive disturbances that characterize practical scenarios. In this paper a preliminary study on the design of a non-adaptive deterministic ANC system for pulse signals that relies on no statistical assumptions is developed. The spatial audio rendering framework of Wave Field Synthesis is formally adopted in order to synthesize the cancelling sound field by means of an array of secondary sources. A set of preliminary simulations in free field environment, as well as the impact of array geometry and extension, has been carried out in view of forthcoming geometry and shape optimization of the system.

Design of active noise control systems for pulse noise / Lapini, Alessandro; Biagini, Massimiliano; Borchi, Francesco; Carfagni, Monica; Argenti, Fabrizio. - STAMPA. - (2017), pp. 621-630. [10.1007/978-3-319-45781-9_62]

Design of active noise control systems for pulse noise

LAPINI, ALESSANDRO;BORCHI, FRANCESCO;CARFAGNI, MONICA;ARGENTI, FABRIZIO
2017

Abstract

Active noise control (ANC) methods have been successfully studied and tested for the cancellation of stationary noise. In the last decade, some adaptive solutions for the case of impulsive noise have been proposed in the literature. Nevertheless, such a model fits a limited class of impulsive disturbances that characterize practical scenarios. In this paper a preliminary study on the design of a non-adaptive deterministic ANC system for pulse signals that relies on no statistical assumptions is developed. The spatial audio rendering framework of Wave Field Synthesis is formally adopted in order to synthesize the cancelling sound field by means of an array of secondary sources. A set of preliminary simulations in free field environment, as well as the impact of array geometry and extension, has been carried out in view of forthcoming geometry and shape optimization of the system.
2017
978-3-319-45780-2
Advances on Mechanics, Design Engineering and Manufacturing
621
630
Lapini, Alessandro; Biagini, Massimiliano; Borchi, Francesco; Carfagni, Monica; Argenti, Fabrizio
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Utilizza questo identificatore per citare o creare un link a questa risorsa: https://hdl.handle.net/2158/1087877
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