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“Celeste” Ranks in Pipe Organs and Accordions: Tonal Timbre and Consonance of detuned unison Intervals

Proceedings of the 10th Convention of the European Acoustics Association Forum Acusticum 2023. Bd. September 11 - 15, 2023. Torino, Italy: Politecnico di Torino 2023 S. 4455 - 4460

Erscheinungsjahr: 2023

ISBN/ISSN: ISBN: 978-88-88942-67-4, ISSN: 2221-3767

Publikationstyp: Zeitschriftenaufsatz (Konferenzbeitrag)

Sprache: Englisch

Doi/URN: 10.61782/fa.2023.0326

Volltext über DOI/URN

Inhaltszusammenfassung


Two simultaneously sounding tones differing in frequency by a few Hertz generate a waveform, whose amplitude modulation relates to the psychoacoustic quantity “fluctua-tion strength”. Following the historic approaches of sensory consonance, any deviation from a pure interval yields dis-sonance. However, imperfect intonation is quite common in musical performance; some instruments are even slightly detuned by intention. Examples are various flat and sharp CELESTE ranks in the Pipe Organ or the...Two simultaneously sounding tones differing in frequency by a few Hertz generate a waveform, whose amplitude modulation relates to the psychoacoustic quantity “fluctua-tion strength”. Following the historic approaches of sensory consonance, any deviation from a pure interval yields dis-sonance. However, imperfect intonation is quite common in musical performance; some instruments are even slightly detuned by intention. Examples are various flat and sharp CELESTE ranks in the Pipe Organ or the VIOLIN double-reed and MUSETTE triple-reed stop of the Accordion. Undulating sounds are pictured as pleasant, shimmering, or celestial. This work explains why mistuned dyads may still appear as consonant sounds. Moreover, it shows that the tonal timbre of harmonic complex tones can change notice-ably and periodically with the beat cycle. The usual practice of CELESTE tuning Pipe Organs and Accordions has been analysed to get an overview. Combining this information with data on the just noticeable frequency difference of our hearing allows deriving general tuning progression rules.» weiterlesen» einklappen

  • Beats, Consonance, Pipe organ, Accordion

Klassifikation


DFG Fachgebiet:
Kunst-, Musik-, Theater- und Medienwissenschaften

DDC Sachgruppe:
Musik

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