Active noise control: Evaluation in ventilation systems

Y. N. Au Yeung, Philip C.H. Yiu, Wan Ki Chow

Research output: Journal article publicationJournal articleAcademic researchpeer-review

3 Citations (Scopus)


Rapid advances in adaptive signal processing are making active noise control products a practicable proposition. One unit available in the industry was chosen in this study to evaluate its application and effectiveness in controlling noise in ventilation systems. Its performance with aerodynamic and static noises was evaluated against the conventional duct lining approach. Experimental results indicate that the system is applicable in air-conditioning systems despite the existence of some constraints that have to be taken care of. It is proposed to use the equipment to supplement the traditional dissipative silencer for noise level control and for the achievement of spectrum balance.
Original languageEnglish
Pages (from-to)191-198
Number of pages8
JournalBuilding Services Engineering Research and Technology
Issue number4
Publication statusPublished - 1 Jan 1996

ASJC Scopus subject areas

  • Building and Construction


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