Microcontroller-driven analogue filter for active noise control

Marko Antila, Kari Hakanen, Jari Kataja

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

Abstract

Analogue filters are widely used in active noise control. Usually, their implementation is fixed. Parameters can be varied only by changing components or adjusting their values manually. However, during development of a control system, parameter adjustments are often needed. To address this problem, we have developed an analogue filter bank with an adjustable, digital real-time control of the parameters. The filter has been tested with an existing active noise control application. The structure of the analogue filter is described and results of the tests are given.
Original languageEnglish
Title of host publicationProceedings of ACTIVE 2002 , the 2002 International Symposium on Active Control of Sound and Vibration
Place of PublicationSouthampton
Pages449-456
Volume1
Publication statusPublished - 2002
MoE publication typeA4 Article in a conference publication
EventInternational Symposium on Active Control of Sound and Vibration, ACTIVE 2002 - Southampton, United Kingdom
Duration: 15 Jul 200217 Jul 2002

Conference

ConferenceInternational Symposium on Active Control of Sound and Vibration, ACTIVE 2002
Abbreviated titleACTiVE
CountryUnited Kingdom
CitySouthampton
Period15/07/0217/07/02

Fingerprint

Active noise control
Microcontrollers
Filter banks
Real time control
Control systems

Keywords

  • active noise control
  • digitally controlled analogue filter
  • biquad filter

Cite this

Antila, M., Hakanen, K., & Kataja, J. (2002). Microcontroller-driven analogue filter for active noise control. In Proceedings of ACTIVE 2002 , the 2002 International Symposium on Active Control of Sound and Vibration (Vol. 1, pp. 449-456). Southampton.
Antila, Marko ; Hakanen, Kari ; Kataja, Jari. / Microcontroller-driven analogue filter for active noise control. Proceedings of ACTIVE 2002 , the 2002 International Symposium on Active Control of Sound and Vibration. Vol. 1 Southampton, 2002. pp. 449-456
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Antila, M, Hakanen, K & Kataja, J 2002, Microcontroller-driven analogue filter for active noise control. in Proceedings of ACTIVE 2002 , the 2002 International Symposium on Active Control of Sound and Vibration. vol. 1, Southampton, pp. 449-456, International Symposium on Active Control of Sound and Vibration, ACTIVE 2002, Southampton, United Kingdom, 15/07/02.

Microcontroller-driven analogue filter for active noise control. / Antila, Marko; Hakanen, Kari; Kataja, Jari.

Proceedings of ACTIVE 2002 , the 2002 International Symposium on Active Control of Sound and Vibration. Vol. 1 Southampton, 2002. p. 449-456.

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

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Antila M, Hakanen K, Kataja J. Microcontroller-driven analogue filter for active noise control. In Proceedings of ACTIVE 2002 , the 2002 International Symposium on Active Control of Sound and Vibration. Vol. 1. Southampton. 2002. p. 449-456