Design of decoupling active noise control systems

Design of decoupling active noise control systems

In this paper a simple method for multichannel active noise control is introduced. The proposed structure is a combination of an adaptive FIR filter, based on the FXLMS algorithm, and the ALIGN algorithm resulting in decoupling matrix for secondary path transfer function. This structure converts a m...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Hamidi, H., Taringoo, F., Nasiri, A.
Format: Tagungsbericht
Sprache:eng
Schlagworte:
Active noise reduction
Adaptive filters
Control systems
Convergence
Finite impulse response filter
Loudspeakers
Microphones
Noise cancellation
Noise generators
Transfer functions
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Beschreibung
Zusammenfassung:In this paper a simple method for multichannel active noise control is introduced. The proposed structure is a combination of an adaptive FIR filter, based on the FXLMS algorithm, and the ALIGN algorithm resulting in decoupling matrix for secondary path transfer function. This structure converts a multi-channel ANC system to decoupled systems which results reduction in computational load without affecting the convergence behavior of the FXLMS system.