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Convention Paper

The Design of an Adaptive Audio Equalizer

Authors: McGee, Philip J.

AES Convention 80 · Paper 2347 · March 1986

Abstract

A single-channel adaptive audio equalizer, with 32 third-octave bands for professional use, has been developed. The conventional slider potentiometers have been replaced by 8-bit DAC's to give full digital control. This is combined with a bandpass filter with digitally-programmable centre frequency, acting as a spectrum analyzer, to allow the instrument to measure the frequency-response of a listening room, and automatically apply the inverse response to mull the coloration. Alternative responses may be manually programmed and stored in preset memory for easy recall, and mathematical functions upon a stored response are also possible.

Details

Published in
AES Convention 80
AES Convention
80
Paper number
2347
Publication date
March 6, 1986
Session subject
Audio Electronics
Affiliation
National Institute for Higher Education, Plassey Technological Park, Limerick City, Ireland ; Kruburg 26, 5632 PH Eindhoven, The Netherlands (See document for exact affiliation information.)
Type
Convention Paper