Intonation drift in a capella soprano, alto, tenor, bass quartet singing with key modulation

Journal of Voice : Official Journal of the Voice Foundation
David M Howard

Abstract

When a soprano, alto, tenor, bass (SATB) quartet sings unaccompanied, or a capella, the members of the group will tend to make use of non-equal-tempered intonation to govern their tuning. If the music they are performing visits different keys and they do maintain non-equal-tempered tuning, then the pitch center will have to shift from its starting point, which is a necessary consequence of the physics behind the use of a non-equal-tempered tuning system. The implication of this shift for tuning in a capella singing is that it is not possible both to maintain accurate non-equal-tempered tuning and to stay in pitch throughout music that modulates in key. To test this notion, a set of four-part exercises were written by the author that visit several different key chords in sequential progression. In each case, the starting and finishing chords were either identical or exactly an octave apart. Mean fundamental frequency values for each note were measured using four electrolaryngographs (one per singer), and the f0 data were normalized and plotted with respect to equal-tempered tuning to enable any overall tuning shift to be observed. The results indicate that singers do (1) tend to non-equal-tempered tuning and (b) do consequential...Continue Reading

References

Oct 1, 1965·The Journal of the Acoustical Society of America·R Plomp, W J Levelt

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Citations

Jul 6, 2014·The Journal of the Acoustical Society of America·Matthias MauchSimon Dixon
Mar 31, 2010·Logopedics, Phoniatrics, Vocology·Allan Vurma
Jul 17, 2013·Logopedics, Phoniatrics, Vocology·David M HowardJude Brereton
Jun 23, 2012·Logopedics, Phoniatrics, Vocology·Pauline Larrouy-Maestri, Dominique Morsomme
Jun 12, 2010·Logopedics, Phoniatrics, Vocology·David M Howard
Nov 14, 2016·Journal of Voice : Official Journal of the Voice Foundation·Helena Daffern
Mar 28, 2018·Logopedics, Phoniatrics, Vocology·Sara D'AmarioFreya Bailes
Sep 2, 2019·The Journal of the Acoustical Society of America·Jiajie Dai, Simon Dixon
Mar 3, 2019·The Journal of the Acoustical Society of America·Jiajie Dai, Simon Dixon

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