This note discusses the design of a simple biquadratic (i.e., second-order numerator and denominator) digital filter whose frequency response is nearly unity except in the vicinity of a preselected frequency. A tandem set of such filters has been developed and is useful as an on-line tool for single-frequency attenuation or boost for signal shaping and enhancement in real time.
Author:
White, Stanley A.
Affiliation:
Rockwell International Corporation, Anaheim, CA
AES Convention:
78 (May 1985)
Paper Number:
2230
Publication Date:
May 1, 1985
Subject:
Recording
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