An infinite impulse response (IIR) filter based on RLMS algorithm is used to control the sound propagated in a duct. The offline error path modification is also included in the algorithm in order to obtain a better result. Three different types of noise source, i.e. pure tone, dual sine and narrowba
โฆ LIBER โฆ
An experimental study of a broadband active attenuator for cancellation of random noise in ducts
โ Scribed by R.F. La Fontaine; I.C. Shepherd
- Publisher
- Elsevier Science
- Year
- 1983
- Tongue
- English
- Weight
- 788 KB
- Volume
- 91
- Category
- Article
- ISSN
- 0022-460X
No coin nor oath required. For personal study only.
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This paper describes theoretically the feedback effect of the secondary source on the primary source in a monopole system for active attenuation of noise in a duct, and gives a more accurate mathematical model Based on the model mentioned above, a new monopole system called the Analogue Compensating