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Search Results: 1 - 10 of 5256 matches for " Carla;Cielo "
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Modifica??es laríngeas e vocais produzidas pela técnica de vibra??o sonorizada de língua
Schwarz, Karine;Cielo, Carla Aparecida;
Pró-Fono Revista de Atualiza??o Científica , 2009, DOI: 10.1590/S0104-56872009000200013
Abstract: background: effectiveness of the sonorous tongue vibration technique (stvt). aim: to investigate the sensations and the vocal and laryngeal impact produced by the sonorous tongue vibration technique. method: the stvt was performed in three sets of fifteen repetitions, in maximum phonatory duration using a normal tone and intensity - with 30 seconds intervals of passive rest between each set. twenty-four women aged between 20 and 30 years and with no vocal complaints participated in the study. all participants were submitted to a larynx evaluation through videolaryngostroboscopy examination; auditory perceptual and acoustic analysis of the voice, before and after using the stvt, by means of the multi-dimensional voice program (mdvp), model 5105 and real time spectrogram, from key elemetrics. results: after using the stvt, a statistically significant difference was observed in terms of: improvement of voice type; focus of vertical resonance; vocal quality; predominance of positive sensations; maintenance of the larynx images parameters (glottis closure, laryngeal vestibule constriction, symmetry and amplitude of vocal folds vibration); increase in fundamental frequency; improvement of spectrographic evaluation parameters, in broadband and narrowband filters; and improvement of medial vestibule constriction according to increase in stvt duration. conclusion: the stvt modifies the glottal source and the resonant filter.
Medidas acústicas de fonte glótica de vozes masculinas normais
Beber, Bárbara Costa;Cielo, Carla Aparecida;
Pró-Fono Revista de Atualiza??o Científica , 2010, DOI: 10.1590/S0104-56872010000300024
Abstract: background: acoustic vocal characteristics of young male adults. aim: to characterize the acoustic measurements of the glottal source of young male adults with normal voices and larynx and to compare these results to the standard measurements proposed by the software used for this assessment. method: 25 young male individuals (20 to 40 years), who presented normal voices and larynx, were selected. all subjects had the prolonged vowel [a] emission analyzed by the multi dimensional voice program advanced (mdvpa). the lilliefords test, with a significance level of 5%, was used to verify the normal distribution of the results of each measurement. the parameters with normal distribution had their means compared to the standard measurements proposed by the program using the t test (significance level of 5%). results: the group was characterized by 18 means of acoustic measurements. measurements of frequency disturbance and amplitude were the ones that most differed from the standard measurements, presenting higher values. approximately half of the measurements presented normal distribution. conclusions: the measurements of jitter and shimmer of young male adults with normal voices and larynx were high. measurements of fundamental frequency, noise and instability remained within the expected values. approximately half of the measurements presented normal distribution prevailing those of jitter and shimmer, indicating that these measurements can be used as a reference.
Tempos máximos de fona??o de vogais em mulheres adultas com nódulos vocais
Kurtz, Laura Oliveira;Cielo, Carla Aparecida;
Pró-Fono Revista de Atualiza??o Científica , 2010, DOI: 10.1590/S0104-56872010000400015
Abstract: background: maximum phonation times (mpt) of vowels in adult women with vocal nodules. aim: to verify and to correlate the values of mpt of vowels in young and middle-aged adult women with vocal nodules. method: database records from a speech therapy school-clinic were used, making up a total of 38 subjects. inclusion criteria: female adults, aged between 20 and 53 years, with otorhinolaryngology diagnosis of vocal nodules. exclusion criteria: to present a laryngeal pathology other than vocal nodules; hearing loss ; oral breathing; history of neurological, psychiatric, endocrine or gastric disorders; flu or allergy history; drinking and/or smoking habits; previous speech therapy and/or otorhinolaryngology treatments. anamnesis data, the otorhinolaryngology diagnosis, and the mpt measurements of vowels /a, i, u/ were verified for each subject. mpt evaluation consisted of the duration measurement of three emissions of the vowels, using habitual tone and intensity, until the end of exhalation, with the patient in a standing position, considering the highest value of each vowel. the results were statistically analyzed with a significance level of 5%. results: representative age range; less representative mpt and mean, below normality and with a strong positive and meaningful correlation; moderate, positive and significant correlation between mpts and their means. conclusion: for the group of adult women with vocal nodules, the mpt values were reduced and positively correlated; the mpt of vowel /a/ presented a lower value when compared to the other investigated vowels.
Tempo máximo de fona??o de crian?as pré-escolares
Cielo, Carla Aparecida;Cappellari, Viviane Michele;
Revista Brasileira de Otorrinolaringologia , 2008, DOI: 10.1590/S0034-72992008000400011
Abstract: past studies on the maximum phonation time (mpt) in children have shown different results in duration. this factor may reflect the neuromuscular and aerodynamic control of phonation in patients; such control might be used as an indicator of other evaluation methods on a qualitative and quantitative basis. aim: to verify measures of mpt and voice acoustic characteristics in 23 children aged four to six year and eight months. method: the sampling process comprised a questionnaire that was sent to parents, followed by auditory screening and a voice perceptive-auditory assessment based on the r.a.s.a.t. scale. data collection included the mpt. study: a prospective and cross-sectional study. results: the mpt was 7.42s, 6.35s and 7.19s; as age increased, the mpt also increase significantly; the s/z relation at all ages was close to one. conclusions: the results mostly agree with the medical literature.mpt values, however, were higher than in other brazilian studies. it may be concluded that the ages that were analyzed are going through neuromuscular maturation; lack of structural maturity and neuromuscular control was more evident in chidlren aged four years.
Aspectos fisiológicos e clínicos da técnica fonoterapêutica de fona??o reversa
Finger, Leila Susana;Cielo, Carla Aparecida;
Revista Brasileira de Otorrinolaringologia , 2007, DOI: 10.1590/S0034-72992007000200020
Abstract: reverse phonation is the voice production during inspiration, accomplished spontaneously in situations such as when a person sighs. aim: to do a literature review, describing discoveries related to the use of the reverse phonation in the clinical practice, the anatomy and physiology of its production and its effects in vocal treatments; and moreover, indications and problems of the technique for speech disorders treatment and voice enhancement. results: there were reports of significant changes in vocal treatment during with the use of reverse phonation: ventricular distention, ventricular folds separation, increase in the fundamental frequency, mucous wave inverse movement; and it also facilitates the dynamic study of the larynx when associated with endoscopy, making it possible to have a better definition of lesion localization in vocal folds superficial lamina propria layers. conclusion: there are few studies describing larynx behavior during reverse phonation and, for this technique to be used in a more precise and objective way, more studies are necessary in order to prove its effectiveness in practical matters.
Características vocais acústicas de crian?as pré-escolares
Cappellari, Viviane Michele;Cielo, Carla Aparecida;
Revista Brasileira de Otorrinolaringologia , 2008, DOI: 10.1590/S0034-72992008000200018
Abstract: evaluation is the first step for any treatment. therefore, normal parameters are the bases for proper evaluation. aim: verify measures and vocal acoustic characteristics of 23 pre-school aged children of both genders, aged four to six years and eight months. methods: the sampling process comprised a questionnaire -that was sent to parents, auditory screening and vocal-perception auditory assessment, based on the r.a.s.a.t. scale. acoustic analysis was carried out through the multi dimensional voice program. study: prospective and cross-sectional. results: the noise-harmonic ratio (nhr) and frequency variation (vf0) of the total sample was higher than what was found for five and six-year-olds. as age increased, nhr values decreased. as the total mean of amplitude perturbation quotient (apq) increased, vf0, variation of amplitude (vam) soft phonation index (spi) and nhr also increased; the same occurred between mean total nhr and vf0. as the total means of pitch perturbation quotient (ppq) and voice turbulence index (vti) increased, spi mean value decreased. conclusions: the results of the acoustic parameters at the age of four years seem to show an immaturity of the structures and lack of neuro-muscular control at that age and the maturation process onset happens near five and six years old.
Modifica??es vocais acústicas produzidas pelo som hiperagudo
Roman-Niehues, Geise;Cielo, Carla Aparecida;
Revista CEFAC , 2010, DOI: 10.1590/S1516-18462009005000059
Abstract: purpose: to describe acoustic vocal modifications that may occur after the vocal technique production of high-pitched sound in young adult women without voice complaints and with normal larynx. methods: 23 subjects participated in the study and signed the free and clarified consent, completed a questionnaire, the ear, nose and throat evaluation was performed with indirect laryngoscopy; stomatognathic system evaluation, and hearing screening. they produced the high-pitched sound in three series of fifteen repetitions, maximum time speech with intervals of 30-second rest between each series. vocal acoustic analysis was carried out using the multi-dimensional voice program model 5105, of kay pentax. results: in the vocal acoustic analysis, we was noted after the high-pitched sound, increasing measures of fundamental frequency and fundamental frequency perturbation, reduction measures of intensity perturbation, noise, voice breaks, voice irregularity and tremor. however, there was no statistical significance in any of the measures offered by the program. conclusion: in this group, the high-pitched sound showed no significant acoustic effects statistically significance on the voice signal.
Sons fricativos surdos
Cielo, Carla Aparecida;Casarin, Maísa Tatiana;
Revista CEFAC , 2008, DOI: 10.1590/S1516-18462008000300010
Abstract: background: characteristics of voiceless fricative sounds purpose: to review the literature related to acoustic, phonetics and phonological characteristics of voiceless fricative sounds that are part of the phonological system of the portuguese language. furthermore, it describes the use of these sounds in voice therapy. conclusions: fricatives are acute phonemes comprised between 2500 and 8000 hz; they are fully acquired up to the age of 3:7 years; the /s/, which is the most affected in cases of short lingual frenum; omission of the /s/ is one of the most frequent occurrences during literacy education; and in the phonological deviation and labial-palatine fissure the entire class of fricatives is frequently affected. in voice assessment, fricative sounds are mentioned as tmf measurements and s/z relationship, and their use as support sounds in speech therapy.
Características da espectrografia de banda larga e estreita da emiss?o vocal de homens com laringe sem afec??es
Beber, Bárbara Costa;Cielo, Carla Aparecida;
Revista CEFAC , 2012, DOI: 10.1590/S1516-18462012005000008
Abstract: purpose: to characterize voice spectrography of a group of young adult men. method: 25 young adult men, without vocal complaints, with otorhinolaryngological larynx diagnosis without disease, have done the supported emission of the vowel [a] standing and with the usual frequency and intensity. the emission was carried thought to analyze real time spectrogram of kay pentax?, giving a spectrogram of wide band and another of narrow band for each subject. these were doubled in order to increase the reliability of the study and were sent to three judge's language pathologists that have to do the judgment of the same following a protocol. the results were analyzed statically by a test to different from proportion with significant level of 5%. results: in the wide band spectrograph there was a statistical significance to noise present in the frequencies around 3,2khz, a little definition of the third formants, a little regularity of the line and anti-resonance average. in the narrow band spectrograph there was weak acutely of the frequencies around 3,2khz and in all spectrum, noise is very present throughout the spectrum and in the frequencies around 3,2khz, noise at low frequencies median, low regularity of the tracing and anti-resonance medium. conclusion: the spectrographic analyze have been developed in large portion of the noise in all spectrum and in the frequencies around 3,2khz, little defined third formant, average noise in the low frequencies, the line being a little regular and average anti-resonance, weak acutely in all spectrum and in special, in the frequencies around 3,2khz.
Caracteristicas vocais acústicas de homens com voz e laringe normal
Beber, Bárbara Costa;Cielo, Carla Aparecida;
Revista CEFAC , 2011, DOI: 10.1590/S1516-18462010005000040
Abstract: background: vocal acoustic characteristics of the filter and the male measures of the vocal source. purpose: to accomplish a literature review describing and discussing the aspects that involve the vocal acoustic characteristic in men with normal laryngeal related to measures of the source and the vocal filter. conclusion: the measures related to jita, shdb and nrh tend to be bigger in men, when f0, phr/hnr and atri tend to be smaller. spectrographies tend to show deep formants with darker variation and less regular than in women.
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