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

Authors

  • Desheng Li Sch. of Occup. and Environ. Hygiene, Department of Mechanical Engineering, University of British Columbia, 3rd Floor, 2206 East Mall, Vancouver, BC V6T 1Z3, Canada
  • Murray Hodgson Sch. of Occup. and Environ. Hygiene, Department of Mechanical Engineering, University of British Columbia, 3rd Floor, 2206 East Mall, Vancouver, BC V6T 1Z3, Canada

Keywords:

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

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.

Additional Files

Published

2003-09-01

How to Cite

1.
Li D, Hodgson M. Active noise control in non-diffuse three-dimensional enclosures with high modal density: Theoretical studies. Canadian Acoustics [Internet]. 2003 Sep. 1 [cited 2024 Oct. 8];31(3):64-5. Available from: https://jcaa.caa-aca.ca/index.php/jcaa/article/view/1551

Issue

Vol. 31 No. 3 (2003)

Section

Proceedings of the Acoustics Week in Canada

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