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A SYSTEM IMPLEMENTATION OF AN ACTIVE NOISE CONTROL SYSTEM COMBINED WITH PASSIVE SILENCERS FOR IMPROVED NOISE REDUCTION IN DUCTS
Responsible organisation
2007 (English)Conference paper, Published paper (Refereed) Published
Abstract [en]

This paper presents a feedforward active noise control system combined with passive silencers for reducing acoustic noise propagating through ventilation ducts. It is investigated if the passive silencers can increase the noise attenuation potential of the active noise control system and experimental results are presented. The results show that installing a passive silencer results in less pronounced standing waves in the duct and hence to performance increase of the active noise control system. Evaluating measurements regarding the performance of the active noise control system have also been conducted in an acoustic laboratory according to an ISO-standard.

Place, publisher, year, edition, pages
Lyon, France, 2007.
Keyword [en]
Signal Processing, Active Noise Control, Acoustics, Ducts
National Category
Signal Processing
Identifiers
URN: urn:nbn:se:bth-9033Local ID: oai:bth.se:forskinfo04FEED0A81BD3838C1257337007235D1OAI: oai:DiVA.org:bth-9033DiVA: diva2:836809
Conference
Fan Noise
Available from: 2012-09-18 Created: 2007-08-14 Last updated: 2015-06-30Bibliographically approved

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fulltext(228 kB)111 downloads
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Johansson, SvenHåkansson, LarsClaesson, Ingvar
Signal Processing

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CiteExportLink to record
Permanent link

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Cite
Citation style
  • apa
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf