Digital filters with high resolution in the low frequency range are studied. Specifically, for a given computational power, traditional IIR filters are compared with warped FIR filters, warped IIR filters, and modified warped FIR filters termed warped individual z FIR filters (WizFIR). The results indicate that IIR filters are the most effective in a number of situations.

Authors: Tyril, Marni; Pedersen, Jan Abildgaard; Rubak, Per
Affiliations: Research & Development, Bang & Olufsen, Denmark ; Aalborg University, Denmark(See document for exact affiliation information.)
AES Convention: 106 (May 1999) Paper Number: 4897
Publication Date: May 1, 1999
Subject: Signal Processing

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