The Active Control of Wall Impedance
Abstract:In the context of active noise control via impedance changes, we study the classical problem of a one-dimensional wave guide terminated by one source at each end. One of them produces the unwanted disturbance, while the impedance presented by the other is actively controlled in order to achieve the best noise reductions throughout the tube.
Document Type: Research Article
Publication date: November 1, 1997
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- Acta Acustica united with Acustica, published together with the European Acoustics Association (EAA), is an international, peer-reviewed journal on acoustics. It publishes original articles on all subjects in the field of acoustics, such as general linear acoustics, nonlinear acoustics, macrosonics, flow acoustics, atmospheric sound, underwater sound, ultrasonics, physical acoustics, structural acoustics, noise control, active control, environmental noise, building acoustics, room acoustics, acoustic materials, acoustic signal processing, computational and numerical acoustics, hearing, audiology and psychoacoustics, speech, musical acoustics, electroacoustics, auditory quality of systems. It reports on original scientific research in acoustics and on engineering applications. The journal considers scientific papers, technical and applied papers, book reviews, short communications, doctoral thesis abstracts, etc. In irregular intervals also special issues and review articles are published.
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