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The effect of relative humidity of inhaled air on acoustic parameters of voice in normal subjects.
J Voice. 1997 Sep; 11(3):295-300.JV

Abstract

The hypothesis that relative humidity (RH) of air exerts an effect on voice has been widely accepted. The aim of this study has been to assess whether this can be demonstrated. Eight healthy subjects inhaled during ten minutes three different air conditions: dry, standard room, and humidified air. After inhalation, the subjects produced repeatedly a sustained /a/ of controlled pitch and loudness, which was analyzed for perturbation and noise-to-harmonic parameters. Perturbation measures increased after inhalation of dry air. No significant differences existed between standard and humidified air. No significant difference in the noise-to-harmonic ratio was found among the three conditions. We conclude that the human voice is very sensitive to decreases in RH of inhaled air, because even after a short provocation with dry air, a significant increase in perturbation measures was found.

Authors+Show Affiliations

Institute of Phoniatrics, University of Utrecht, The Netherlands.No affiliation info availableNo affiliation info available

Pub Type(s)

Journal Article

Language

eng

PubMed ID

9297673

Citation

Hemler, R J., et al. "The Effect of Relative Humidity of Inhaled Air On Acoustic Parameters of Voice in Normal Subjects." Journal of Voice : Official Journal of the Voice Foundation, vol. 11, no. 3, 1997, pp. 295-300.
Hemler RJ, Wieneke GH, Dejonckere PH. The effect of relative humidity of inhaled air on acoustic parameters of voice in normal subjects. J Voice. 1997;11(3):295-300.
Hemler, R. J., Wieneke, G. H., & Dejonckere, P. H. (1997). The effect of relative humidity of inhaled air on acoustic parameters of voice in normal subjects. Journal of Voice : Official Journal of the Voice Foundation, 11(3), 295-300.
Hemler RJ, Wieneke GH, Dejonckere PH. The Effect of Relative Humidity of Inhaled Air On Acoustic Parameters of Voice in Normal Subjects. J Voice. 1997;11(3):295-300. PubMed PMID: 9297673.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - The effect of relative humidity of inhaled air on acoustic parameters of voice in normal subjects. AU - Hemler,R J, AU - Wieneke,G H, AU - Dejonckere,P H, PY - 1997/9/23/pubmed PY - 1997/9/23/medline PY - 1997/9/23/entrez SP - 295 EP - 300 JF - Journal of voice : official journal of the Voice Foundation JO - J Voice VL - 11 IS - 3 N2 - The hypothesis that relative humidity (RH) of air exerts an effect on voice has been widely accepted. The aim of this study has been to assess whether this can be demonstrated. Eight healthy subjects inhaled during ten minutes three different air conditions: dry, standard room, and humidified air. After inhalation, the subjects produced repeatedly a sustained /a/ of controlled pitch and loudness, which was analyzed for perturbation and noise-to-harmonic parameters. Perturbation measures increased after inhalation of dry air. No significant differences existed between standard and humidified air. No significant difference in the noise-to-harmonic ratio was found among the three conditions. We conclude that the human voice is very sensitive to decreases in RH of inhaled air, because even after a short provocation with dry air, a significant increase in perturbation measures was found. SN - 0892-1997 UR - https://www.unboundmedicine.com/medline/citation/9297673/The_effect_of_relative_humidity_of_inhaled_air_on_acoustic_parameters_of_voice_in_normal_subjects_ L2 - https://linkinghub.elsevier.com/retrieve/pii/S0892-1997(97)80007-0 DB - PRIME DP - Unbound Medicine ER -