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

Auteurs-es

  • 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

Mots-clés :

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

Résumé

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.

Fichiers supplémentaires

Publié-e

2003-09-01

Comment citer

1.
Li D, Hodgson M. Active noise control in non-diffuse three-dimensional enclosures with high modal density: Experimental studies. Canadian Acoustics [Internet]. 1 sept. 2003 [cité 30 avr. 2026];31(3):66-7. Disponible à: https://jcaa.caa-aca.ca/index.php/jcaa/article/view/1552

Numéro

Vol. 31 No. 3 (2003)

Rubrique

Actes du congrès de la Semaine canadienne d'acoustique

Licence

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