NDLI: An embedding approach to frequency-domain and subband adaptive filtering

Content Provider	IEEE Xplore Digital Library
Author	Merched, R. Sayed, A.H.
Copyright Year	1991
Abstract	Frequency-domain and subband implementations improve the computational efficiency and the convergence rate of adaptive schemes. The well-known multidelay adaptive filter (MDF) belongs to this class of block adaptive structures and is a DFT-based algorithm. We develop adaptive structures that are based on the trigonometric transforms, discrete cosine transform (DCT) and discrete sine transform (DST), and on the discrete Hartley transform (DHT). As a result, these structures involve only real arithmetic and are attractive alternatives in cases where the traditional DFT-based scheme exhibits poor performance. The filters are derived by first presenting a derivation for the classical DFT based filter that allows us to pursue these extensions immediately. The approach used in this paper also provides further insights into subband adaptive filtering.
Sponsorship	IEEE Signal Processing Society
Starting Page	2607
Ending Page	2619
Page Count	13
File Size	405624
File Format	PDF
ISSN	1053587X
Volume Number	48
Issue Number	9
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2000-09-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Adaptive filters Signal processing algorithms Discrete transforms Discrete cosine transforms Arithmetic Convergence Signal processing Frequency domain analysis Computational efficiency Echo cancellers
Content Type	Text
Resource Type	Article
Subject	Signal Processing Electrical and Electronic Engineering

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