Child Voice and Noise: A Pilot Study of Noise in Day Cares and the Effects on 10 Children's Voice Quality According to Perceptual Evaluation

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McAllister, Anita,1955-Linköpings universitet,Logopedi,Hälsouniversitetet (author)

Child Voice and Noise : A Pilot Study of Noise in Day Cares and the Effects on 10 Children's Voice Quality According to Perceptual Evaluation

Article/chapterEnglish2009

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Elsevier BV,2009
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LIBRIS-ID:oai:DiVA.org:kth-18750
https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-18750URI
https://doi.org/10.1016/j.jvoice.2007.10.017DOI
https://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-20457URI

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Language:English
Summary in:English

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SwePubSwePub

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Subject category:ref swepub-contenttype
Subject category:art swepub-publicationtype

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QC 20150626
Original Publication: Anita McAllister, Svante Granqvist, Peta Sjölander and Johan Sundberg, Child Voice and Noise: A Pilot Study of Noise in Day Cares and the Effects on 10 Children's Voice Quality According to Perceptual Evaluation, 2009, Journal of Voice, (23), 5, 587-593. http://dx.doi.org/10.1016/j.jvoice.2007.10.017 Copyright: Elsevier Science B.V. Amsterdam http://www.elsevier.com/
The purpose of this investigation was to study children's exposure to background noise at the ears during a normal day at the day care center and also to relate this to a perceptual evaluation of voice quality. Ten children, from three day care centers, with no history of hearing and speech problems or frequent infections were selected as subjects. A binaural recording technique was used with two microphones placed on both sides of the subject's head, at equal distance from the mouth. A portable digital audio tape (DAT) recorder (Sony TCD-D 100, Stockholm, Sweden) was attached to the subject's waist. Three recordings were made for each child during the day. Each recording was calibrated and started with three repetitions of three sentences containing only sonorants. The recording technique allowed separate analyses of the background noise level and of the sound pressure level (SPL) of each subjects' own voice. Results showed a mean background noise level for the three day care centers at 82.6 dBA Leq, ranging from 81.5 to 83.6 dBA Leq. Day care center no. 2 had the highest mean value and also the highest value at any separate recording session with a mean background noise level of 85.4 dBA Leq during the noontime recordings. Perceptual evaluation showed that the children attending this day care center also received higher values on the following voice characteristics: hoarseness, breathiness, and hyperfunction. Girls increased their loudness level during the day, whereas for boys no such change could be observed.

Subject headings and genre

MEDICIN OCH HÄLSOVETENSKAP Klinisk medicin Oto-rhino-laryngologi hsv//swe
MEDICAL AND HEALTH SCIENCES Clinical Medicine Otorhinolaryngology hsv//eng
TEKNIK OCH TEKNOLOGIER Maskinteknik Strömningsmekanik och akustik hsv//swe
ENGINEERING AND TECHNOLOGY Mechanical Engineering Fluid Mechanics and Acoustics hsv//eng
Child voice
Background noise
Perceptual evaluation
Aura
Vocal
loudness
dysphonic patients
phonation
teachers
features
MEDICINE

Added entries (persons, corporate bodies, meetings, titles ...)

Granqvist, SvanteKTH,Tal-kommunikation,Royal Institute of Technology (KTH)(Swepub:kth)u15rzwn0 (author)
Sjölander, Peta,1961-KTH,Tal-kommunikation,Human Communication Science,Royal Institute of Technology (KTH)(Swepub:kth)u1lx6wf3 (author)
Sundberg, JohanKTH,Tal-kommunikation,Royal Institute of Technology (KTH)(Swepub:kth)u1fkc0ej (author)
Linköpings universitetLogopedi (creator_code:org_t)

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In:Journal of Voice: Elsevier BV23:5, s. 587-5930892-19971873-4588

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