In a previous study on predicting timbral variation resulting from distortion-based effects processing, two types of direct ratings were collected from a large group of na¨ive subjects (approximately 50) for a set of sharpness-matched guitar timbres; first on a dissimilarity scale and then on 11 bipolar adjective scales. For the current study, similar data were collected from five trained subjects to allow for a comparison between results derived for each of the trained subjects and the previously reported group results. To investigate differences in how individuals might describe these distorted guitar timbres, the trained subjects’ adjective ratings were submitted separately to analysis using a method inspired by Repertory Grid Technique (RGT), as well as being submitted for MultiDimensional Unfolding (MDU) analyses.
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