A Simplified Frequency-Domain Feedback Active Noise Control Algorithm
Yuan Gao,
Guoliang Yu,
Min Gao
Abstract:When the adaptive filter length is increased, the calculation complexity increases rapidly because the relationship between the calculation and the adaptive filter length N contains a power function with no secondary path identification algorithm. Under the basic premise of unreduced noise reduction, herein, a simplified frequency-domain feedback active noise control algorithm is proposed. To reduce the computation complexity, the total delay is adopted as the estimated secondary path; the filtered reference s… Show more
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