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Formant frequency analysis of children's spoken and sung vowels using sweeping fundamental frequency production.

Identifieur interne : 000284 ( Main/Exploration ); précédent : 000283; suivant : 000285

Formant frequency analysis of children's spoken and sung vowels using sweeping fundamental frequency production.

Auteurs : P. White [Royaume-Uni]

Source :

RBID : pubmed:10622522

Descripteurs français

English descriptors

Abstract

High-pitched productions present difficulties in formant frequency analysis due to wide harmonic spacing and poorly defined formants. As a consequence, there is little reliable data regarding children's spoken or sung vowel formants. Twenty-nine 11-year-old Swedish children were asked to produce 4 sustained spoken and sung vowels. In order to circumvent the problem of wide harmonic spacing, F1 and F2 measurements were taken from vowels produced with a sweeping F0. Experienced choir singers were selected as subjects in order to minimize the larynx height adjustments associated with pitch variation in less skilled subjects. Results showed significantly higher formant frequencies for speech than for singing. Formants were consistently higher in girls than in boys suggesting longer vocal tracts in these preadolescent boys. Furthermore, formant scaling demonstrated vowel dependent differences between boys and girls suggesting non-uniform differences in male and female vocal tract dimensions. These vowel-dependent sex differences were not consistent with adult data.

DOI: 10.1016/s0892-1997(99)80011-3
PubMed: 10622522


Affiliations:


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Le document en format XML

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<term>Humans (MeSH)</term>
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<term>Adulte (MeSH)</term>
<term>Caractères sexuels (MeSH)</term>
<term>Enfant (MeSH)</term>
<term>Enfant d'âge préscolaire (MeSH)</term>
<term>Femelle (MeSH)</term>
<term>Humains (MeSH)</term>
<term>Mesures de production de la parole (MeSH)</term>
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<div type="abstract" xml:lang="en">High-pitched productions present difficulties in formant frequency analysis due to wide harmonic spacing and poorly defined formants. As a consequence, there is little reliable data regarding children's spoken or sung vowel formants. Twenty-nine 11-year-old Swedish children were asked to produce 4 sustained spoken and sung vowels. In order to circumvent the problem of wide harmonic spacing, F1 and F2 measurements were taken from vowels produced with a sweeping F0. Experienced choir singers were selected as subjects in order to minimize the larynx height adjustments associated with pitch variation in less skilled subjects. Results showed significantly higher formant frequencies for speech than for singing. Formants were consistently higher in girls than in boys suggesting longer vocal tracts in these preadolescent boys. Furthermore, formant scaling demonstrated vowel dependent differences between boys and girls suggesting non-uniform differences in male and female vocal tract dimensions. These vowel-dependent sex differences were not consistent with adult data.</div>
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