Exposition

Harmonic duality : from interval ratios and pitch distance to spectra and sensory dissonance (last edited: 2023)

Juan Sebastian Lach Lau
ACPA
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About this exposition

Dissonance curves are the starting point for an investigation into a psychoacoustically informed harmony. Its main hypothesis is that harmony consists of two independent but intertwined aspects operating simultaneously, namely proportionality and linear pitch distance. The former aspect is related to intervallic characters, the latter to ‘high’, ‘low’, ‘bright’ and ‘dark’, therefore to timbre. This research of Juan Sebastian Lach Lau derives from the development of tools for algorithmic composition which extract pitch materials from sound signals, analyzing them according to their timbral and harmonic properties, putting them into motion through diverse rhythmic and textural procedures. The tools and the reflections derived from their use offer fertile ideas for the generation of instrumental scores, electroacoustic soundscapes and interactive live-electronic systems.
typeresearch exposition
date13/12/2012
last modified02/02/2023
statusin progress
share statuspublic
copyrightJuan Sebastian Lach Lau
licenseCC BY-NC-ND
languageEnglish
urlhttps://www.researchcatalogue.net/view/1790235/1790236
connected toAcademy of Creative and Performing Arts


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nameCircular Limit [score] - copy
copyrightJuan Sebastian Llach Lau
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namechamba de um acorde [score]
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namechamba de um acorde [score] - copy
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nameHeptaktys[score]
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nameHeptaktys[score] - copy
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nameprogram notes [korzo#2]
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copyrightJuan Sebastian Llach Lau
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