Professor Tuomas Eerola tuomas.eerola@durham.ac.uk
Professor
The Anatomy of Consonance/Dissonance: Evaluating Acoustic and Cultural Predictors Across Multiple Datasets with Chords
Eerola, T.; Lahdelma, I.
Authors
Dr Imre Lahdelma imre.d.lahdelma@durham.ac.uk
Lecturer
Abstract
Acoustic and musical components of consonance and dissonance perception have been recently identified. This study expands the range of predictors of consonance and dissonance by three analytical operations. In Experiment 1, we identify the underlying structure of a number of central predictors of consonance and dissonance extracted from an extensive dataset of chords using a hierarchical cluster analysis. Four feature categories are identified largely confirming the existing three categories (roughness, harmonicity, familiarity), including spectral envelope as an additional category separate from these. In Experiment 2, we evaluate the current model of consonance/dissonance by Harrison and Pearce by an analysis of three previously published datasets. We use linear mixed models to optimize the choice of predictors and offer a revised model. We also propose and assess a number of new predictors representing familiarity. In Experiment 3, the model by Harrison and Pearce and our revised model are evaluated with nine datasets that provide empirical mean ratings of consonance and dissonance. The results show good prediction rates for the Harrison and Pearce model (62%) and a still significantly better rate for the revised model (73%). In the revised model, the harmonicity predictor of Harrison and Pearce’s model is replaced by Stolzenburg’s model, and a familiarity predictor coded through a simplified classification of chords replaces the original corpus-based model. The inclusion of spectral envelope as a new category is a minor addition to account for the consonance/dissonance ratings. With respect to the anatomy of consonance/dissonance, we analyze the collinearity of the predictors, which is addressed by principal component analysis of all predictors in Experiment 3. This captures the harmonicity and roughness predictors into one component; overall, the three components account for 66% of the consonance/dissonance ratings, where the dominant variance explained comes from familiarity (46.2%), followed by roughness/harmonicity (19.3%).
Citation
Eerola, T., & Lahdelma, I. (2021). The Anatomy of Consonance/Dissonance: Evaluating Acoustic and Cultural Predictors Across Multiple Datasets with Chords. Music & Science, 4, https://doi.org/10.1177/20592043211030471
Journal Article Type | Article |
---|---|
Acceptance Date | Jun 18, 2021 |
Online Publication Date | Jul 12, 2021 |
Publication Date | 2021-01 |
Deposit Date | Jun 24, 2021 |
Publicly Available Date | Aug 20, 2021 |
Journal | Music & Science |
Print ISSN | 2059-2043 |
Electronic ISSN | 2059-2043 |
Publisher | SAGE Publications |
Peer Reviewed | Peer Reviewed |
Volume | 4 |
DOI | https://doi.org/10.1177/20592043211030471 |
Public URL | https://durham-repository.worktribe.com/output/1273658 |
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Publisher Licence URL
http://creativecommons.org/licenses/by/4.0/
Copyright Statement
This article is distributed under the terms of the Creative Commons Attribution 4.0 License (https://creativecommons.org/licenses/by/4.0/) which permits any use, reproduction and distribution of the work without further permission provided the original work is attributed as specified on the SAGE and Open Access pages (https://us.sagepub.com/en-us/nam/open-access-at-sage).
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