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Express Paper

A Spectral Tilt Tone Control

Authors: Vanderkooy, John

Express Paper · Paper 208 · June 2024

Abstract

This paper describes the design and implementation of a simple tone-balance control that uniformly tilts the whole audio spectrum in a simple power-law way, based on a related design by Ambler. It allows both rising and falling responses at variable rates, having a perfectly flat response with the single tilt control potentiometer in its central position. The design process is supported by theory and completed with visually-guided optimization of the components. Circuit diagrams are presented, along with component values for a number of implementations covering the audio spectrum. Aspects of the various designs are discussed.

Details

AES Convention
156
Paper number
208
Publication date
June 6, 2024
Affiliation
Dept. of Physics and Astronomy, University of Waterloo. Waterloo ON Canada N2L 3G1 (See document for exact affiliation information.)
Type
Express Paper