Guitar players are increasingly modifying (or paying someone else to modify) inexpensive mass-produced guitar pedals into boutique units. The Keeley modification of the Boss DS-1 is a prime example. In this paper, we compare the measured and perceived performance of a Boss DS-1 before and after applying the Keeley All-Seeing-Eye and Ultra mods. This paper sheds light on psychoacoustics, signal processing, and guitar recording techniques in relation to low fidelity guitar distortion pedals.

Authors: Schneiderman, Matthew; Sarisky, Mark
Affiliation: The University of Texas at Austin, Austin, TX, USA
AES Convention: 126 (May 2009) Paper Number: 7791
Publication Date: May 1, 2009
Subject: Sound Design and Processing

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