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Journal Article

DSP Equalization of Electret Film Pickup for the Acoustic Guitar

Authors: Karjalainen, Matti; Välimäki, Vesa; Penttinen, Henri; Saastamoinen, Harri

Journal of the Audio Engineering Society · Volume 48 · Issue 12 · pp. 1183–1193 · December 2000

Abstract

The response of a guitar bridge pickup does not correspond to the acoustic radiation of the instrument. Digital signal processing is applied to obtain high-quality acoustic sound using only an elastic electret film pickup and properly designed digital filtering for equalization. The most promising results are obtained with long FIR filters with possibly one or more body resonances modeled with separate digital resonators, or with warped IIR filters.

Details

Publication
Journal of the Audio Engineering Society
Volume
48
Issue
12
Pages
1183–1193
Publication date
December 6, 2000
Affiliation
Helsinki University of Technology, Laboratory of Acoustics and Audio Signal Processing, Espoo, Finland ; EMF Acoustics Ltd., Espoo, Finland (See document for exact affiliation information.)
Type
Journal Article