Análisis acústico de la voz mediante el progama Praat: estudio comparativo con el programa Dr. Speech

Batalla, Faustino Núñez; Márquez, Rocío González; González, Marina; Laborda, Irene González; Fernandez, M.; Galán, Marta Morato

doi:10.1016/j.otorri.2013.12.004

Cited by 15 publications

(4 citation statements)

References 10 publications

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“…Al contrastar los resultados con la literatura, se evidencia que los que se obtuvieron en esta investigación fueron buenos. Además, la aplicación de medidas objetivas para la fonación y la resonancia, entre ellas la electroglotografía y el análisis acústico, demuestran la objetividad de los resultados alcanzados (12)(13)(14)(18)(19)(20)(21). Se evidenció que los cambios positivos en la producción vocal, durante la emisión cantada y hablada, son producto del equilibrio de tres subprocesos (respiración, fonación y resonancia), logrados a partir de la aplicación de ejercicios basados en la tendencia de rehabilitación vocal fisiológica, comprobando así los beneficios reportados en la literatura (22)(23)(24).…”

Section: Discussionunclassified

“…Respecto al proceso de resonancia, es necesario realizar un análisis acústico, con el fin de medir la calidad de la voz e indentificar parámetros y rasgos con los que se determinen características tímbricas relacionadas con la energía acústica del tracto vocal, con lo que se obtiene resultados cualitativos y cuantitativos, por medio de medidas relacionadas con frecuencia, intensidad, perturbación (Jitter, Shimmer) y ruido (hnr, nhr) (18)(19)(20)(21).…”

Section: Introductionunclassified

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Efectividad del calentamiento vocal fisiológico para cantantes

Mora

2016

Rev. Cienc. Salud

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Introduction:To determine changes in the degree of adduction of the vocal folds and resonanciales features in singers, after the implementation of a sequence of physiological vocal warm. Materials and Methods: acoustic analyzes measurements and electroglottography were applied to 11 singers, making four phonatory tasks before and after implementation of a sequence of three exercises Vocal Tract Semioclued (hand over mouth, straw phonation and Y-Buzz), each with three phonatory tasks (phonation with comfortable tone and intensity, pitch bend with glissandos of third and fifth note of major scales, variation of vocal intensity with Messa di Voci strategy). Experimental study, with descriptive analysis and application of non-parametric Wilcoxon test cepstrum. Results: Positive changes to short and medium term in measures applied. All subjects increased the feeling of resonant voice, showed improvement in vocal quality singing voice with minimal impact stress of the vocal folds and greater projection, aspects reflected in the positive correlations between contact quotient, disturbance measures, ltas and cepstrum. Discussion: the physiological vocal warm is a tool that helps to improve and protect the working instrument of singers, acoustic energy in the vocal tract improved after the sequence of physiological vocal warm, observing an immediate and long-term effect.

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Section: Discussionunclassified

Section: Introductionunclassified

Efectividad del calentamiento vocal fisiológico para cantantes

Mora

2016

Rev. Cienc. Salud

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“…Acoustic analysis was performed through PRAAT software (Paul Borsamac and David Weenink, University of Amsterdam). [4][5][6] Recordings were made in a quiet sound proof, isolated room with the subject seated comfortably and a microphone was positioned 6 inches (15 cm) away from the subject as seen in (Figure 3,4). Each subject was asked to pronounce the vowels, consonants, and blends for a period of 3-4 seconds as clearly as possible.…”

Section: Methodsmentioning

confidence: 99%

A study on changes in phonetics in completely edentulous patients before and after rehabilitation with conventional and customized complete dentures

Niyogi¹,

Bhattacharyya²,

Das³

et al. 2021

Int J Otorhinolaryngol Head Neck Surg

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Background: A realistic approach to the phonetic aspect in complete denture construction is most often subdued by various factors. The palatal rugae, an important landmark in speech orderliness, are frequently affected due to lack of proper texture on a complete denture. Establishing a correlation between customized palatal surfaces of complete dentures and speech improvement will help to ameliorate post insertion appointments of articulation deficiencies.Methods: Ten completely edentulous subjects of either sex with a mean age range of 50-70 years, fulfilling the inclusion criteria were included in this study. All the participants received three sets of dentures, followed by assessment of speech using photo articulation test, speech intelligibility and acoustic analysis in edentulous state and subsequently after insertion of conventional denture, denture with customized rugae, and denture with customized metallic base.Results: The data collected was subjected to statistical analysis using SPSS 24.0 version and GraphPad Prism version 5. The statistical analysis was carried using ANOVA and student t-test. On evaluating the error patterns, distortion was maximum followed by substitutions. These errors were maximum in edentulous state and decreased subsequently, with the least errors in customized rugae dentures. A statistically significant positive correlation (p<0.0001) was found.Conclusions: Apart from retention, stability and support, equal amount of emphasis has to be laid down on phonetical aspects to improve the overall psychological well-being and social upliftment for patients. The improvement in verbal proficiency for completely edentulous patients can be minimized considerably by customizing the palatal portions.

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“…However, the criteria for separating the low and high values of jitter, shimmer, and HNR are not confirmed. Depending on the way of calculating jitter, shimmer, and HNR, the thresholds for these features can be changed [9,10,11,12,13]. Moreover, the explanation of the predicted vocal disorders needs to be provided.…”

Section: Introductionmentioning

confidence: 99%

Diagnosing Vocal Disorders using Cobweb Clustering of the Jitter, Shimmer, and Harmonics-to-Noise Ratio

2018

TIIS

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A voice is one of the most significant non-verbal elements for communication. Disorders in vocal organs, or habitual muscular setting for articulatory cause vocal disorders. Therefore, by analyzing the vocal disorders, it is possible to predicate vocal diseases. In this paper, a method of predicting vocal disorders using the jitter, shimmer, and harmonics-to-noise ratio (HNR) extracted from vocal records is proposed. In order to extract jitter, shimmer, and HNR, one-second's voice signals are recorded in 44.1khz. In an experiment, 151 voice records are collected. The collected data set is clustered using cobweb clustering method. 21 classes with 12 leaves are resulted from the data set. According to the semantics of jitter, shimmer, and HNR, the class whose centroid has lowest jitter and shimmer, and highest HNR becomes the normal vocal group. The risk of vocal disorders can be predicted by measuring the distance and direction between the centroids.

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Análisis acústico de la voz mediante el progama Praat: estudio comparativo con el programa Dr. Speech

Cited by 15 publications

References 10 publications

Efectividad del calentamiento vocal fisiológico para cantantes

Efectividad del calentamiento vocal fisiológico para cantantes

A study on changes in phonetics in completely edentulous patients before and after rehabilitation with conventional and customized complete dentures

Diagnosing Vocal Disorders using Cobweb Clustering of the Jitter, Shimmer, and Harmonics-to-Noise Ratio

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