Uncertainty in tuning evaluation with low-register complex tones of orchestra instruments

The relationship between perceived pitch and harmonic spectrum in complex tones is ambiguous. In this study, 31 professional orchestra musicians participated in a listening experiment where they adjusted the pitch of complex low-register successively presented tones to unison. Tones ranged from A0 t...

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Autores principales:	Jaatinen Jussi, Pätynen Jukka, Lokki Tapio
Formato:	article
Lenguaje:	EN
Publicado:	EDP Sciences 2021
Materias:	pitch perception harmonic spectrum virtual pitch orchestral instruments pitch evaluation Acoustics in engineering. Acoustical engineering TA365-367 Acoustics. Sound QC221-246
Acceso en línea:	https://doaj.org/article/9600bfcd09414ba7a75ab4cbf0f38cf7
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id	oai:doaj.org-article:9600bfcd09414ba7a75ab4cbf0f38cf7
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spelling	oai:doaj.org-article:9600bfcd09414ba7a75ab4cbf0f38cf72021-12-02T17:10:41ZUncertainty in tuning evaluation with low-register complex tones of orchestra instruments2681-461710.1051/aacus/2021045https://doaj.org/article/9600bfcd09414ba7a75ab4cbf0f38cf72021-01-01T00:00:00Zhttps://acta-acustica.edpsciences.org/articles/aacus/full_html/2021/01/aacus200079/aacus200079.htmlhttps://doaj.org/toc/2681-4617The relationship between perceived pitch and harmonic spectrum in complex tones is ambiguous. In this study, 31 professional orchestra musicians participated in a listening experiment where they adjusted the pitch of complex low-register successively presented tones to unison. Tones ranged from A0 to A2 (27.6–110 Hz) and were derived from acoustic instrument samples at three different dynamic levels. Four orchestra instruments were chosen as sources of the stimuli; double bass, bass tuba, contrabassoon, and contrabass clarinet. In addition, a sawtooth tone with 13 harmonics was included as a synthetic reference stimulus. The deviation of subjects’ tuning adjustments from unison tuning was greatest for the lowest tones, but remained unexpectedly high also for higher tones, even though all participants had long experience in accurate tuning. Preceding studies have proposed spectral centroid and Terhardt’s virtual pitch theory as useful predictors of the influence of the envelope of a harmonic spectrum on the perceived pitch. However, neither of these concepts were supported by our results. According to the principal component analysis of spectral differences between the presented tone pairs, the contrabass clarinet-type spectrum, where every second harmonic is attenuated, lowered the perceived pitch of a tone compared with tones with the same fundamental frequency but a different spectral envelope. In summary, the pitches of the stimuli were perceived as undefined and highly dependent on the listener, spectrum, and dynamic level. Despite their high professional level, the subjects did not perceive a common, unambiguous pitch of any of the stimuli. The contrabass clarinet-type spectrum lowered the perceived pitch.Jaatinen JussiPätynen JukkaLokki TapioEDP Sciencesarticlepitch perceptionharmonic spectrumvirtual pitchorchestral instrumentspitch evaluationAcoustics in engineering. Acoustical engineeringTA365-367Acoustics. SoundQC221-246ENActa Acustica, Vol 5, p 49 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	pitch perception harmonic spectrum virtual pitch orchestral instruments pitch evaluation Acoustics in engineering. Acoustical engineering TA365-367 Acoustics. Sound QC221-246
spellingShingle	pitch perception harmonic spectrum virtual pitch orchestral instruments pitch evaluation Acoustics in engineering. Acoustical engineering TA365-367 Acoustics. Sound QC221-246 Jaatinen Jussi Pätynen Jukka Lokki Tapio Uncertainty in tuning evaluation with low-register complex tones of orchestra instruments
description	The relationship between perceived pitch and harmonic spectrum in complex tones is ambiguous. In this study, 31 professional orchestra musicians participated in a listening experiment where they adjusted the pitch of complex low-register successively presented tones to unison. Tones ranged from A0 to A2 (27.6–110 Hz) and were derived from acoustic instrument samples at three different dynamic levels. Four orchestra instruments were chosen as sources of the stimuli; double bass, bass tuba, contrabassoon, and contrabass clarinet. In addition, a sawtooth tone with 13 harmonics was included as a synthetic reference stimulus. The deviation of subjects’ tuning adjustments from unison tuning was greatest for the lowest tones, but remained unexpectedly high also for higher tones, even though all participants had long experience in accurate tuning. Preceding studies have proposed spectral centroid and Terhardt’s virtual pitch theory as useful predictors of the influence of the envelope of a harmonic spectrum on the perceived pitch. However, neither of these concepts were supported by our results. According to the principal component analysis of spectral differences between the presented tone pairs, the contrabass clarinet-type spectrum, where every second harmonic is attenuated, lowered the perceived pitch of a tone compared with tones with the same fundamental frequency but a different spectral envelope. In summary, the pitches of the stimuli were perceived as undefined and highly dependent on the listener, spectrum, and dynamic level. Despite their high professional level, the subjects did not perceive a common, unambiguous pitch of any of the stimuli. The contrabass clarinet-type spectrum lowered the perceived pitch.
format	article
author	Jaatinen Jussi Pätynen Jukka Lokki Tapio
author_facet	Jaatinen Jussi Pätynen Jukka Lokki Tapio
author_sort	Jaatinen Jussi
title	Uncertainty in tuning evaluation with low-register complex tones of orchestra instruments
title_short	Uncertainty in tuning evaluation with low-register complex tones of orchestra instruments
title_full	Uncertainty in tuning evaluation with low-register complex tones of orchestra instruments
title_fullStr	Uncertainty in tuning evaluation with low-register complex tones of orchestra instruments
title_full_unstemmed	Uncertainty in tuning evaluation with low-register complex tones of orchestra instruments
title_sort	uncertainty in tuning evaluation with low-register complex tones of orchestra instruments
publisher	EDP Sciences
publishDate	2021
url	https://doaj.org/article/9600bfcd09414ba7a75ab4cbf0f38cf7
work_keys_str_mv	AT jaatinenjussi uncertaintyintuningevaluationwithlowregistercomplextonesoforchestrainstruments AT patynenjukka uncertaintyintuningevaluationwithlowregistercomplextonesoforchestrainstruments AT lokkitapio uncertaintyintuningevaluationwithlowregistercomplextonesoforchestrainstruments
_version_	1718381512802435072

Uncertainty in tuning evaluation with low-register complex tones of orchestra instruments

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