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

Desheng Li, Murray Hodgson

Abstract


Some experiments on active noise control in a three-dimensional room were reported. A 2 by 2 control system was designed using the Image-GA method, and implemented. Experimental results showed that, with the optimally designed control system, significant control reduction can be achieved even in a three-dimensional room with high modal density. Moreover, a randomly configured control system was implemented to further show the effectiveness.

Keywords


Acoustic variables control; Computer simulation; Loudspeakers; Microphones; Optimal control systems; Reverberation; Active noise control; High modal density; Non-diffuse three-dimensional enclosures

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