Active noise control in non-diffuse three-dimensional enclosures with high modal density: Theoretical studies

Desheng Li, Murray Hodgson

Abstract


An active control of low-frequency noise in three-dimensional rooms was investigated. As such, a novel design method called the Image-GA method and a new control strategy called "locally-global" control were proposed. The numerical results showed that, through optimal design, significant sound reduction can be achieved in the target area.

Keywords


Acoustic variables control; Genetic algorithms; Loudspeakers; Microphones; Optimization; Potential energy; Active noise control; Image-source method

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