PMID: 9649072Jul 2, 1998Paper

Data on subglottal pressure and SPL at varied vocal loudness and pitch in 8- to 11-year-old children

Journal of Voice : Official Journal of the Voice Foundation
A McAllister, J Sundberg

Abstract

Phonation threshold pressure has been defined as the minimum subglottal pressure to generate phonation. Previous research has indicated that children may habitually employ higher subglottal pressures than adults. In the present investigation sound pressure level (SPL) and subglottal pressures at different pitch levels were measured at and above phonation threshold in nine children. Phonation threshold values were scattered in reasonable agreement with Titzes' prediction, although a discrepancy was noted regarding the frequency dependence in some voices. At normal conversational loudness and loudest level of phonation the children's Ps values were between two to four and four to eight times the predicted threshold values, respectively. At normal conversational loudness and habitual pitch subglottal pressures were lower than those previously observed for children, but similar to those found for female adults. The SPL in softest and loudest phonation were somewhat lower as compared to previous phonetogram data for children and for female adults. At normal loudness and habitual pitch the SPL values were similar to those of female adults. For a doubling of Ps mean SPL increased by 10.5 dB on the average.

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Citations

Aug 4, 2016·Logopedics, Phoniatrics, Vocology·Aude LagierAntoine Giovanni
Jan 3, 2013·Journal of Voice : Official Journal of the Voice Foundation·Matthew R HoffmanJack J Jiang
Nov 9, 2018·The Laryngoscope·Matthew R HoffmanJack J Jiang
Aug 24, 2019·Journal of Voice : Official Journal of the Voice Foundation·Gopi Kishore PebbiliAttuluri Navya
May 27, 2020·Journal of Voice : Official Journal of the Voice Foundation·Coşkun YilmazSeyhan Bulut

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