Three dimensional active noise cancellation using spherical arrays of cardioid sources

Authors

  • N. Maybee
  • L. Rogers

Keywords:

acoustic radiators, loudspeakers, noise abatement, physics computing, three dimensional, computer modelling, active noise cancellation, spherical arrays, cardioid sources, loudspeaker, tripole, spherical sound field, 500 Hz

Abstract

Computer modelling is used to design a two element loudspeaker system (`tripole') capable of generating an accurate cardioid radiation pattern for frequencies below 500 Hz. The model is used to assess the effectiveness of various spherical arrays of such tripoles at cancelling a spherical sound field. One cancelling tripole array has been built and found to behave in accordance with the model predictions

Additional Files

Published

1990-04-01

How to Cite

1.
Maybee N, Rogers L. Three dimensional active noise cancellation using spherical arrays of cardioid sources. Canadian Acoustics [Internet]. 1990 Apr. 1 [cited 2026 Jul. 11];18(2):25-31. Available from: https://jcaa.caa-aca.ca/index.php/jcaa/article/view/619

Issue

Vol. 18 No. 2 (1990)

Section

Technical Articles

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