Delayless Subband Adaptive Filter for Active Wideband Noise Control

Qinghua LIU  Shan OUYANG  Junzheng JIANG  

IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences   Vol.E96-A   No.5   pp.986-990
Publication Date: 2013/05/01
Online ISSN: 1745-1337
DOI: 10.1587/transfun.E96.A.986
Print ISSN: 0916-8508
Type of Manuscript: LETTER
Category: Noise and Vibration
delayless subband active noise control,  uniform DFT modulated,  analysis filter banks,  prototype filter,  second-order cone programming,  

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The wideband noise controlling performance of the delayless subband adaptive filtering technique is affected by the group delay and in-band aliasing distortion of analysis filter banks. A method of recursive second-order cone programming is proposed to design the uniform DFT modulated analysis filter banks, with a small in-band aliasing error and low group delay. Simulation results show that the noise controlling performance is improved with small residual noise power spectra, a high noise attenuation level and fast convergence rate.