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A comparison of electroglottographic and glottal area waveforms for phonation type differentiation in male professional singers
KTH, Skolan för datavetenskap och kommunikation (CSC), Tal, musik och hörsel, TMH.ORCID-id: 0000-0003-2995-1363
KTH, Skolan för datavetenskap och kommunikation (CSC), Tal, musik och hörsel, TMH, Musikakustik.ORCID-id: 0000-0002-3362-7518
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2018 (Engelska)Ingår i: Journal of the Acoustical Society of America, ISSN 0001-4966, E-ISSN 1520-8524, ISSN 0001-4966, Vol. 144, nr 6, s. 3275-3288Artikel i tidskrift (Refereegranskat) Published
Abstract [en]

This study compares the use of electroglottograms (EGGs) and glottal area waveforms (GAWs) to study phonation in different vibratory states as produced by professionally trained singers. Six western classical tenors were asked to phonate pitch glides from modal to falsetto phonation, or from modal to their stage voice above the passaggio (SVaP). For each pitch glide the sample entropy (SampEn) of the EGG signal was calculated to detect the occurrence of phonatory instabilities and establish a ᅵground truthᅵ for the performed phonation type. The cycles before the maximum SampEn were labeled as modal, and the cycles after the peak were labeled as either falsetto, or SVaP. Three automatic categorizations of vibratory state were performed using clustering: one based only on the EGG, one based on the GAW, and one based on their combination. The error rate (clustering vs ground truth) was, on average, lower than 10% for all of the three settings, revealing no special advantage of the GAW over EGG, and vice vers...

Ort, förlag, år, upplaga, sidor
Acoustical Society of America , 2018. Vol. 144, nr 6, s. 3275-3288
Nyckelord [en]
bioelectric phenomena, biomechanics, entropy, medical signal processing, speech, statistical analysis, vibrations
Nationell ämneskategori
Scenkonst
Forskningsämne
Tal- och musikkommunikation
Identifikatorer
URN: urn:nbn:se:kth:diva-240407DOI: 10.1121/1.5066456ISI: 000454625000028Scopus ID: 2-s2.0-8505847794OAI: oai:DiVA.org:kth-240407DiVA, id: diva2:1272168
Forskningsfinansiär
Vetenskapsrådet, 2013-0642
Anmärkning

QC 20190118

Tillgänglig från: 2018-12-18 Skapad: 2018-12-18 Senast uppdaterad: 2019-01-18Bibliografiskt granskad

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Förlagets fulltextScopushttp://asa.scitation.org/doi/10.1121/1.5066456

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Selamtzis, AndreasTernström, StenEchternach, Matthias
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Tal, musik och hörsel, TMHMusikakustik
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Journal of the Acoustical Society of America
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