Proportional Parametric Equalizers have been proposed as an efficient tool for accurate magnitude response control within defined constraints. In particular, a combination of shelving filters can be used to create a 3-band parametric equalizer or tone control with minimal processing overhead. This paper picks up on this concept, fully develops the filter control equations, and proposes a look up table based implementation of the dual-shelving filter design.

Authors: Audfray, Rémi; Jot, Jean-Marc; Dicker, Sam
Affiliation: Magic Leap, Inc., San Francisco, CA, USA
AES Convention: 145 (October 2018) Paper Number: 10054
Publication Date: October 7, 2018
Subject: Signal Processing—Part 2

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