Opportunities for active noise control in communication headsets

  • A.J. Brammer Inst for Microstructural Sciences, Ottawa, Canada
  • G.J. Pan Inst for Microstructural Sciences, Ottawa, Canada
Keywords: Acoustic variables control, Adaptive filtering, Feedback control, Speech communication, Speech intelligibility, Active noise control, Adaptive feedforward control, Headsets, Hearing loss

Abstract

Almost all commercial circumaural headsets incorporating active noise reduction (ANR) employ feedback control with fixed filters and analog signal processing. This combination provides, at best, a conditionally-stable device. However, inconsistent control of environmental noise results from air leaks in the seal between the earmuff and the head. The potential of improving speech communication and reducing noise-induced hearing loss in an ANR handset using adaptive feedforward control is presented.
Published
1998-09-01
How to Cite
1.
Brammer A, Pan G. Opportunities for active noise control in communication headsets. Canadian Acoustics [Internet]. 1998Sep.1 [cited 2019Sep.19];26(3):32-3. Available from: https://jcaa.caa-aca.ca/index.php/jcaa/article/view/1143
Section
Proceedings of the Acoustics Week in Canada